Computer Acronym List v3.00 This is a list of computer acronyms. Use it to figure out what people are talking about. If you have any questions or additions, please feel free to contact us. Without further ado, here they are: - sUMsDos [DoS] 2B1Q 2 binary data, 1 quarternary redundance 2D Two Dimensional 2GL Second Generation Language 3ACC 3A Central Control 3D Three Dimensional 3GL Third Generation Language 3M Minnesota Mining and Manufacturing 3PTY Three Party Service 4B3T 4 binary data, 3 ternary redundance 4GL Fourth Generation Language 5B6B 5 binary data, 6 binary redundance 5XBCOER 5 X-Bar Central Office Equipment Reports system A Ampere A&SG Accessories and Supplies Group A/D Analog to Digital A/D Analog to Digital A/D Analog/Digital A/P Accounts Payable A/R Accounts Receivable AA Abort Acknowledge AA Application Association AA Auto Answer AAL ATM Adaption Layer AAMSI American Association for Medical Systems Informatics AAP Applications Access Point AAP Association of American Publishers AAR Automatic Alternative Routing AARC Anglo-American Cataloging Rules AARE A-Associate REsponse AARN Australian Academic Research Network AARNET Australian Academic Research Network AARP Appletalk Address Resolution Protocol AARQ A-Associate ReQuest AASP ASCII Asynchronous Support Package AAT Average Access Time AAX Automated Attendant eXchange AB Abort ABATS Automatic Bit Access Test System ABBS Apple Bulletin Board System ABC Atanasoff-Berry Computer ABEND ABnormal END ABHC Average Busy Hour Calls ABI American Bell Inc ABI Application Binary Interface ABIOS Advanced BIOS ABM Asynchronous Balanced Mode ABME ABM Extended ABRT A-ABoRT ABS Absolute ABS Alternative Billing Service ABSBH Average Busy Season Busy Hour ABT Abort ABU Application Business Unit AC ACcept AC Access Control AC Adaptive Control AC Alternating Current AC Answer Center AC Application Context AC Association Control AC Automatic Computer ACA Asynchronous Communication Adapter ACAP Alter Content Acknowledge Presentation ACARB Australian Computer Abuse Research Bureau ACAWS Advisory, Caution, And Warning System ACB Annoyance Call Bureau ACB Automatic Call-Back ACC Accumulator ACC Argonne Code Center ACC Audio Communications Controller ACCLAIM Action Client Card List And Information Management ACCOLC Access Overload Class ACCS Army Command and Control System ACCS Automated Calling Card Service ACCS Automated Calling Card Service ACD Automated Call Distributor ACD Automatic Call Distribution ACD Automatic Call Distributor ACDA Automatic Call Disposition Analyzer ACDF Access Control Decision Function ACE Advanced Computing Environment ACE Advanced Computing Environments ACE American Council on Education ACE Automatic Calibration and Equalization ACE Automatic Calling Equipment ACEF Access Control Enforcement Function ACF Access Control Field ACF Advanced Communications Function ACF Advanced Communications Functions ACFA Advanced CMOS Frame Aligner ACFM Adobe Composite Font Metrics ACH Attempt per Circuit per Hour ACHEFT Automated ClearingHouse Electronic Funds Transfer ACI Access Control Information ACI Answer Controller Interface ACIA Asynchronous Communications Interface Adapter ACID Atomicity, Consistency, Isolation, Durability ACIS American Committee for Interoperable Systems ACK ACKnowledge ACK ACKnowledgment ACK Amsterdam Compiler Kit ACL Access Control List ACL Advanced Cmos Logic ACL Advanced Cmos Logic ACM Access Control Machine ACM Address Complete Msg. ACM Association for Computing Machinery ACMS Application Control Management System ACN Area Code Number ACO Acronym Control Officer ACOF Attendant Control Of Facilities ACP ACtion Point ACP Allied Communications Publication ACP Alter Content Presentation ACP Ancillary Control Program ACP Auxillary Control Process ACPDP Alternating Current Plasma Display Panel ACPM Association Control Protocol Machine ACROSS Automated Cargo Release and Operations Service System ACS Access ACS Access Control Set ACS Access Control Store ACS Access Control System ACS Advanced Communications System ACS Application Control Services ACS Asynchronous Communication Server ACS Australian Computer Science ACS Australian Computer Society ACS Automatic Clearing Houses ACSE Association Control Service Element ACSE Association Control Service Entity ACSNET Acedemic Computing Services NETwork ACSU Advanced t-1 Channel Service Unit ACT Application Center for Technology ACTFEL Alternating Current Thin Film ElectroLuminescent ACTPU ACTivate Physical Unit ACTS Advanced Communications Technology Satellite ACTS Automated Coin Toll Service ACTS Automatic Coin Telephone Service ACU Alarm Control Unit ACU Automatic Call Unit ACU Automatic Calling Unit ACW Alternating Continuous Waves AD ADdendum AD Activity Discard AD Administrative Domain AD Application Development AD Authorized Dealers ADA Activity Discard Acknowledgment ADA Automatic Data Acquisitions ADAPSO Association of Data Processing Service Organizations ADAS Advanced Directory Assistance System ADB A DeBugger ADB Apple Desktop Bus ADC Add with Carry ADC American Digital Cellular ADC American Display Consortium ADC Analog to Digital Converter ADC Analog to Digital Converter ADCCP Advanced Data Communication Control Procedure ADCCP Advanced Data Communications Control Procedure ADCI Automatic Display Call Indicator ADD Adapter Device Driver ADD Authorized Digital Dealers ADDCP Advanced Data Communication Control Procedure ADDMD ADministratve Directory Management Domain ADE Application Development Environment ADEW Andrew Development Environment Workbench ADF Access Decision Function ADF Application Development Facility ADF Automatic Direction Finder ADF Automatic Document Feed ADG Authorized Distributor Group ADI Access Decision Information ADI Anolog Device Inc ADI Application DIrectory ADI Autodesk Device Interface ADL Address Data Latch ADLAT Adaptive Lattice Filter ADM Adaptive Delta Modulation ADM Add-Drop MultiPlex ADM Additional Dealer Markup ADMA Advanced DMA Controller ADMD ADministration Management Domain ADN Abbreviated Dialing Number ADP Administrative Data Processing ADP Advanced Data Processing ADP Automatic Data Processing ADPCM Adaptive Differential Pulse Code Modulation ADR Address ADRS A Departmental Reporting System ADS Advanced Digital System ADS Application Development System ADS Audio Distribution System ADS Autocad Development System ADS Automatic Distribution System ADS Auxilliary Data System ADSC Address Status Changed ADSP Appletalk DataStream Protocol ADSR Attack, Decay, Sustain, Release ADT Abstract Data Type ADT Application Data Types ADTS Automated Digital Terminal System ADU Application Definition Utility ADU Automatic Dialing Unit AE Above or Equal AE Activity End AE Application Engineering AE Application Entity AE Application Environment AE Application Execution AEA Activity End Acknowledgment AEA American Electronics Association AEB Analog Expansion Bus AED Advanced Error Diffusion AEF Access Enforcement Function AEF Address Extention Facility AEGIS Advanced Electronic Guidance and Instrumentation System AEP Application Environment Profile AERM Alignment Error Rate Monitor AES Application Environment Specification AET Application Entity Title AF Address Family AF Address Field AF Audio Frequency AF Auxilary carry Flag AFACTS Automatic FACilities Test System AFADS Automatic Force Adjustment Data System AFATDS Advanced Field Artillery Tactical Data System AFC Automatic Flight Control AFC Automatic Font Change AFC Automatic Frequency Control AFCAC Air Force Computer Acquisition Center AFCC Air Force Communications Command AFE Analog Front End AFE Apple File Exchange AFI Appletalk Filing Interface AFI Authority and Format Identifier AFI Authority and Format Identifier AFII Association for Font Information Interchange AFIPS American Federation of Information Processing Societies AFM Adobe Font Metrics AFNOR Association Francaise de NORmalisation AFP Appletalk Filing Protocol AFS Andrew File System AFSC Air Force Systems Command AFSK Audio Frequency Shift Keying AFSK Automatic Frequency Shift Keying AFT Application File Transfer AFUU Association Francaise des Utilisateurs d'Unix AG Arcade Game AGC Automatic Gain Control AGEEE Above Ground Electronic Equipment Enclosures AGND Analog Ground AI Activate Indication (C/I channel code) AI Analog Input AI Application Interface AI Artificial Intelligence AI Authentication Identification AIA Aerospace Industries Association AIA Application Integration Architecture AIA Applications Integration Architecture AIAG Automotive Industry Action Group AIC Automatic Intercept Center AICC Automatic Intercept Communications Controller AIDDE Ames' Interactive Dynamic Display Editor AIFF Audio Interchange File Format AIIM Association for Information and Image Management AIMS Advanced Inventory Management System AIMS Auto Indexing Mass Storage AIOD Automatic Identificated Outward Dialing AIOD Automatic Identification Outward Dialing AIOD Automatic Identification of Outward Dialing AIPS Astronomical Image Processing System AIS Action Item System AIS Alarm Indication Signal AIS Alarm Indication Signals AIS Automatic Intercept System AISB Association of Imaging Service Bureaus AISP Association of Information Systems Professionals AITRC Applied Information Technologies Research Center AIU AI Upstream AIX Advanced Interactive eXecutive AK data AcKnowledge AL Application Layer ALAP AppleTalk-LocalTalk Link Access Protocol ALAP Appletalk LAP ALBO Automatic Line BuildOut ALC Arithmetic and Logic Circuits ALC Assembly Language Coding ALC Automatic Level Control ALC Automatic Load Control ALE Address Latch Enable ALFE Analog Line Front End ALGOL ALGOrithmic Language ALI Automatic Location Indentification ALIT Automatic Line Insulation Testing ALM Application Loadable Module ALM Asychronous Line Module ALM Asynchronous Line Multiplexer ALO At Least Once ALP Abstract Local Primitive ALR Advanced Logic Research ALRU Automatic Line Record Update ALS Advanced Launch System ALS Application Layer Structure ALS Automated List Service ALS Automated List Service ALS Automatic Line Switching ALU Application Layer User ALU Arithmetic Logic Unit AM Accounting Management AM Administrative Module AM Amplitude Modulation AMA Automatic Message Accounting AMACS Automatic Message Accounting Collection System AMARC Automatic Message Accounting Recording Center AMASE Automatic Message Accounting Standard Entry AMAT Automatic Message Accounting Transmitter AMAT Automatic Message Accounting Transmitter AMATPS Automatic Message Accounting TeleProcessing System AMATPS Automatic Message Accounting Transmitter Teleprocessing System AMC Add-on Module Connector AMC Area Management Center AMD Active Matrix Display AMD Advanced Micro Devices AMERITECH AMERican Information TECHnologies AMEX AMerican EXpress AMF Account Metering Function AMH Application Message Handling AMI Alternate Mark Inversion AMI American Megatrends Incorporated AMI American Microsystems Incorporated AMIS Atari Message and Information System AMLCD Active Matrix Liquid Crystal Display AMM Area Manufacturing Manager AMMA Advanced Memory Management Architecture AMP Active Monitor Present AMP Ampere AMPS Advanced Mobile Phone Service AMR Automatic Meter Reading AMSAT radio AMateur SATellite corp. AMT Active Memory Technology AMT Address Mapping Table AMVFT Amplitude Modulated Voice Frequency Telegraph AMWI Active Message Waiting Indicator AN Associated Number ANA Automatic Number Announcement ANAC Automatic Number Announcement Circuit ANC All Number Calling ANC American Network Communications ANCOVA Analysis of Covariance ANDF Architecture-Neutral Distribution Format ANF Automatic Number Forwarding ANI Automatic Number Identification ANIF Automatic Number Identification Failure ANM Answer Msg. ANOVA Analysis Of Variance ANS American National Standard ANS Answer Msg. ANSC American National Standards Committee ANSI American National Standards Institute ANTC Advanced Networked Test Center AO Analog Output AOC Advice of Charge AOCE Apple Open Collaboration Environment AOCS Attitude and Orbit Control System AOE Application Operating Environment AOJ Add one and do not Jump AOL America OnLine AOM Application OSI Management AOM Area Operations Manager AOQ Average Outgoing Quality AOS Acedemic Operating System AOS Add One and do not Skip AOS Add Or Subtract AOS Alternate Operator Service AOS Alternate Option Selection AOSS Auxilliary Operator Service System AOV Average Order Value AP Adjunct Processor AP Application AP Application Processor AP Attached Processor APA All Points Addressable APA All Points Addressable APA Arithmetic Processing Accelerator APACS Association for Payment And Clearing Services APAREN Address Parity Enable APC AMARC Protocol Converter APC Adaptive Predictive Coding APCI Application Protocol Control Information APCUG Association of PC User Groups APD Avalanche Photo Diode APDA Apple Programmers and Developers Association APDU Application Protocol Data Unit APE APplication Engineering APF All PIN's Fail API APplication Interface API Application Program Interface API Application Programming Interface APIA Application Program Interface Association APICS American Production and Inventory Control Society APL A Programming Language APM Advanced Power Management APP Application APP Application Portability Profile APP Applications Portability Profile APPC Advanced Peer-to-Peer Communication APPC Advanced Peer-to-Peer Communications APPC Advanced Program-to-Program Communication APPIX Automated Part and Product Information Exchange APPN Advanced Peer-to-Peer Networking APRIL APplication Rational Interface Logic APS Automatic Protection Switch APS Automatic Protection Switching System APSE ADA Programming Support Environment APSE Ada Programming Support Environment APSE Ada Programming Support Environment APSS Automatic Protection Switching System APT Address Pass Through APT Automatic Programmed Tools APU Auxiliary Power Unit AQ Accumulator-Quotient AQL Acceptable Quality Level AQS Automatic Quote System AR Activation Request AR Activity Resume AR Address Register AR Alarm Report ARA Attribute Registration Authority ARAMIS American Rheumatic Arthritis Medical Information System ARB Application Review Board ARC Advanced RISC Computing ARC Ames Research Center ARC Audio Response Controller ARC Audio Response Controller ARCA Advanced RISC Computing Architecture ARCNET Attached Resource Computer NETwork ARCOFI Audio Ringing Codec Filter ARCOFI-SP ARCOFI + SpeakerPhone function ARCOS ARCOFI Coefficient Support Program ARCOTI SIPB Telephone Module ARD AR Downstream ARD Application Remote Database ARDIS Advanced National Radio Data Service ARF Alarm Reporting Function ARG Argument ARIS Audichron Recorded Information System ARL Activation Request Local loop ARL Adjusted Ring Length ARLL Advanced Run Length Limited ARM Acorn Risc Machine ARM Activation Request Maintenance ARM Advanced RISC Machine ARM Area Revenue Manager ARM Asynchronous Response Mode ARMA Association of Records Managers and Administrators ARMS Amusement Records Management System ARN Activation Request ARP Abnormal Release Presentation ARP Address Resolution Protocol ARPA Advanced Research Projects Agency ARPANET Advanced Research Projects Agency NETwork ARPL Adjust Requested Privilege Level ARQ Automatic Repeat reQuest ARR Attributes for Requesting Relationships ARRL Amateur Radio Relay League ARS Alternate Route Selection ARS Automatic Route Selection ARSA Airport Radar Service Area ARSB Automated Repair Service Bureau ARTCC Air Route Traffic Control Center ARTEMIS Advanced Relay TEchnology MISsion ARTIC A Real-Time Interface Coprocessor ARU Activation Request Upstream ARU Audio Response Unit ARUP Abnormal Release User Presentation AS Activity Start AS Advanced Server AS Application System ASA American Standards Association ASAP Automatic Switching And Processing ASC Accredited Standards Committee ASC Additional Sense Code ASC Average System Cost or Average System Content ASCC Automatic Sequence-Controlled Calculator ASCC2 Advanced Serial Communication Controller ASCE Association Control Service Elements ASCII American Standard Code for Information Interchange ASCQ Additional Sense Code Qualifier ASD Advanced Semiconductor Development ASDC Abstract Service Definition Convention ASDSP Application-Specific Digital Signal Processor ASE Application Service Element ASE Applied Service Elements ASG Automated Sciences Group ASG Automated Sciences Group ASI Asynchronous SCSI Interface ASI Automatic System Installation ASIC Application Specific Integrated Circuit ASIS American Society for Industrial Security ASIT Advanced Security and Identification Technology ASK Amplitude Shift Keying ASM ASseMbler ASM Analog Subscriber Module ASM Association for Systems Management ASMP ASymmetrical Multi-Processing ASN Abstract Syntax Notation ASN Abstract Syntax Notation ASOC Administrative Service Oversight Center ASP ARCOFI Signal Processor ASP Abstract Service Primitive ASP Advanced Signal Processing ASP Advanced Signal Processor ASP Aggregated Switch Procurement ASP Appletalk Session Protocol ASP Association of Shareware Professionals ASPEN Automatic System for Performance Evaluation of the Network ASPI Advanced SCSI Programming Interface ASPS Advanced Signal Processing System ASR Abstract Selection Rules ASR Access Service Request ASR Access Service Request ASR Automatic Send-Receive ASR Automatic Speech Recognition ASRS Aviation Safety Reporting System ASSP Application Specific Standard Protocol AST Albert wong, Safi qureshy, Tom vu AST Applied System Technology AST Asyncronous System Trap ASV Average System Value ASYNC Asynchronous AT Access Tandem AT Advanced Technology AT Attention AT&T American Telephone and Telegraph ATA ARCNET Trade Association ATA AT Attachment ATA AT Bus Attachment ATA Automatic Trouble Analysis ATACC Advanced Tactical Air Command Central ATB All Trunks Busy ATB Advanced Technology Bomber ATB All Trunks Busy ATC Air Traffic Control ATC Atsugi Technical Center ATC Automatic Transmission Control ATD Asynchronous TDM ATD Authorized Terminal Distributor ATDM Asynchronous Time Division Multiplexing ATDP Attention Dial Pulse ATDRS Advanced Tracking and Data Relay Satellite ATDT Attention Dial Tone ATE Automatic Test Equipment ATE Automated Test Equipment ATF Advanced Technology Fighter ATG Advanced Technology Group ATH Abbreviated Trouble History ATH Attention Hang-Up ATI Automatic Test Inhibit ATI Awake TI ATIS Atherton Tools Interface Specification ATIS Automatic Terminal Information Service ATIS Automatic Transmitter Identification System ATIS Automatic Transmitter Identification System ATK Andrew ToolKit ATLATL AnyThing Lord to AnyThing Lord ATM Abstract Test Method ATM Adobe Type Manager ATM Advanced Test Methods ATM Analog Trunk Module ATM Asynchronous Transfer Mode ATM Automated Teller Machine ATM Automatic Teller Machine ATME Automatic Transmission Measuring Equipment ATMS Automated Trunk Measurement System ATN Automated Test Network ATOMS AT&t Optimized Materials Simulator ATP All Tests Pass ATP Appletalk Transaction Protocol ATP Application Transmission Processing ATP Available to Promise ATP2 AppleTalk Phase 2 ATR Alternate Trunk Routing ATR Attribute ATR Automatic Terminal Recognition ATRS Automated Trouble Reporting System ATS Abstract Test Suite ATS Administrative Terminal System ATS Apple Terminal Services ATS Automated Test System ATSE Application Timesharing Software Engineering ATTC Automatic Transmission Test and Control circuit ATTC Automatic Transmission Test and Control circuit ATTCOM American Telephone & Telegraph COMmunications ATTIS American Telephone & Telegraph Information Systems ATTN Attention ATTRIB Attribute AU Access Unit AU Adaptive Unit AU Arithematic Unit AUC AUthentication Certificate AUDIT Automated Data Input Terminal AUDIX AUDio Information eXchange AUI Access Unit Interface AUI Attachment Unit Interface AUI Attachment Universal Interface AUI Auxillary Unit Interface AUP Acceptable Use Policy AUP Access Unit Port AUTO Automatic AUTODIN AUTOmatic DIgital Network AUTOSEVCOM AUTOmatic SEcure Voice COMmunications AUTOVON AUTOmatic VOice Network AUX Apple UniX AUX Auxiliary AUXF AUXillary Frame AV AntiVirus AV AudioVisual AV AutoVisual AVA Attribute Value Assertion AVA Audio Visual Authoring AVC Audio Visual Connection AVD Alternate Voice Data AVG Average AVI Audio Visual Interleaved AVT Application Virtual Terminal AVT Architecture Verification Test AWACS Airborne Warnings And Control Systems AWG American Wire Guage AWI Awake Indication AWK alfred Aho, peter Weinberger, brian Kernighan AX Architecture Extended AX Automatic Transmission ALT ALTernate B Bit B Byte B&D Bondage and Discipline B&W Bells and Whistles B&W Black and White B/F Background/Foreground B/L Backlog B6ZS Bipolar with 6 Zero Subsitution B8ZS Binary 8 Zero Substitution B8ZS Bipolar with 8 Zeros Substitution B911 Basic 911 BA Basic Access BAC Basic Access Control BAD Broken As Designed BAI Bank Administration Institute BAK Binary Adaption Kit BAL Basic Assembly Language BAL Branch And Link BALUN BALanced UNbalanced BALUN BALanced to UNbalanced BAM Boyan Action Module BAMAF Bellcore AMA Format BANCS Bell Administrative Network Communications System BAPCO Bellsouth Advertising & Publishing COmpany BAPCO Business Aplication Performance COrp. BARRNET Bay Area Regional Research Network, "BARRNet" (SF Bay Area) BARTS Bell Atlantic Regional TimeSharing BAS Basic Activity Subset BASH Bourne Again Shell BASIC Beginner's All-purpose Symbolic Instruction Code BAUD Bits At Unit Density BBD0/1 Binary 0s or 1s detected in B and D channels BBN Bolt, Beranek and Newman BBS Bulletin Board System BBU Battery Back-Up BC Blind Copy BCC Blank Carbon Copy BCC Blind Carbon Copy BCC Blind Courtesy Copy BCC Block Check Character BCC Block Check Character BCC Blocked Call Cleared BCC Blocked Call Cleared BCCP Bearer CCP BCD Binary Coded Decimal BCD Blocked Call Delayed BCDIC Binary Coded Decimal Interchange Code BCDIC Binary Coded Decimal Interchange Code BCDIC Binary Coding Decimal Interchange Code BCG Business Center Group BCL Batch Command Language BCP Binary Communications Protocol BCP Business Communications Project BCP Byte Controlled Protocols BCPL Basic Combined Programming Language BCR Bell Communications Research BCR Byte Count Register BCS Basic Combined Subset BCS Batch Change Supplement BCS Binary Compatibility Standard BCS Boston Computer Society BCS Boston Computer Society BCS Boston Computer Society BCS British Computer Society BCUG Bilateral Closed User Group BDCS Broadband Digital Cross-Connect System BDF Binary Distribution Format BDF Bitmap Distribution Format BDOS Basic Disk Operating System BDS Basic Data Service BDS Building Distribution System BDT Billing Data Transmitter BDT Bulk Data Transfer BE Below or Equal BEAV Binary Editor And Viewer BECAUSE BEnchmark of Concurrent Architectures for their Use in Scientific Engineering BECN Backward Explicit Congestion Notification BEF Band Elimination Filter BEF Band Elimination Filter BEF Band Elimination Filter BEL Bell BELLCORE BELL COmmunications REsearch BER Basic Encoding Rules BER Bit Error Rate BERT Bit Error Rate Test BERT Bit Error-Rate Testing BEST Borland Enhanced Support and Training BETRS Basic Exchange Telecommunications Radio Service BF Bad Flag BF Bridge Function BFI Brute Force and Ignorance BFMI Brute Force and Massive Ignorance BFT Binary File Transmission BG/EEE Below Ground Electronic Equipment Enclosures BGE Branch if Greater or Equal BGEEE Below Ground Electronic Equipment Enclosures BGI Borland Graphic Interface BGP Border Gateway Protocol BGT Branch if Greater Than BHC Busy Hour Calls BHI Branch if Higher BHIS Branch if Higher or Same BI Backplane Interconnect BI Beginning Inventory BI Binary Input BI Bus Interconnect BIB Backward Indicator Bit BICS Building Industry Consulting Services BICU Bus Interface Control Unit BIF Binary Initialization File BIFF Binary Interchange File Format BIFIFO Bidirectional FIFO BILOS Brother-In-Law Of Stopgap BIM Basic Industry Marketing BIM Beginning of Information Marker BINAC Binary Automatic Computer BIND Berkeley Internet Name Daemon BIND Berkeley Internet Name Domain BIOS Basic Input/Output System BIPS Billion Instructions Per Second BIR Bit Receiver BIR Bus Interface Register BIS Business Information System BISDN Broadband ISDN BISDN Broadband ISDN (q.v.) [Telephony] BISP Business Information System Program BIST Built In Self Test BISYNC BInary SYNchronous Communications BIT Basic Interconnection Test BIT Binary digIT BIT Binary digit BIT Bipolar Integrated Technology BIT Bit Transmitter BITNET Because-It's-Time NETwork BITNIC BITnet Network Information Center BITR BIt TRansceiver BITS BSI Information Technology Services BITS Base Information Transfer System BITS Biotechnology Information Toolkit Software BIU Bus Interface Unit BIX Byte Information eXchange BJS Bureau of Justice Statistics BKSP Backspace BL Backlit BL/DS Busy Line/Don't Answer BLA Blocking Acknowledgement BLAS Basic Linear Algebra Subroutines BLAST BLocked ASynchronous Transmission BLDS Busy Line/Don't Answer, "BL/DS" BLDSC British Library Document Supply Centre BLE Branch if Less or Equal BLER Block Error Rate BLERT BLock Error Rate Test BLERT BLock Error Rate Test BLF Busy Lamp Field BLF Busy Line Feed BLF Busy Line Field BLIT Bell Labs Intelligent Terminal BLK Block BLMC Buried Logic Macrocell BLO Blocking BLOB Binary Large OBject BLOBS Binary Large OBjectS BLOS Branch if Lower Or Same BLS Bureau of Labor Statistics BLS Business Listing Service BLT BLock Transfer BLT Branch Less Than BLV Busy Line Verification BMC Basic Monthly Charge BMEWS Ballistic Missile Early Warning System BMI Branch if Minus BMIC BusMaster Interface Controller BMP Batch Message Processing Program BMP Benchmark Plan BMP BitMaP BMU Basic Measurement Unit BNC Bayonet N Connector BNC Bayonet Navy Connector BNC Bayonet Neill Concelman BNC British Naval Connectors BNE Branch if Not Equal BNET Berkeley NETworking BNF Bachus-Naur Form BNF Backus Normal Form BNF Big Name Fan BNM Blue Noise Mask BNR Bell National Research BNRCVUUCP Batch News ReCeive Via UUCP BNS Billed Number Screening BNT Broadband Network Termination BNU Basic Networking Utilities BO Binary Output BOA Bill of Aggregation BOA Blanket Order Agreement BOC Bell Operating Companies BOC Bell Operating Company BOF Beginning Of File BOIS Business Office Information Systems BOM Beginning Of Message BOMP Bill Of Materials Processor BOOTP Bootstrap Protocol BOP Bit Oriented Protocol BOP Byte Oriented Protocol BOR Basic Output Report BORPQU Borland Pro Quattro BORQU Borland Quattro BORSCHT Battery, Overvoltage, Ringing, Supervision, Coding, Hybrid, Testing BOS Basic Operating System BOS Bit Oriented Signaling BOS Business Office Supervisor BOS Business and Office Systems BOSE Business and Office Systems Engineering BOSIX Biin Open System Interface eXtension BOSS Billing and Order Support System BOT Beginning Of Table BOT Beginning Of Tape BP Base Pointer BPB BIOS Parameter Block BPI Bits Per Inch BPI Blocks Per Inch BPI Bytes Per Inch BPL Branch if PLus BPN comstar Business Plan BPOC Bell Point Of Contact BPS Bits Per Second BPS Bytes Per Second BPSK Binary Phase Shift Keying BPSS Basic Packet-Switching Service BQS Berkeley Quality Software BR Bad Register BR Bit Robbing BRA Basic Rate Access BRAT Business Residence Account Tracking system BRATS Business Residence Account Tracking System BRCS Business Residence Custom Service BRCS Business Residence Customer Service BRG Baud Rate Generator BRI Basic Rate Interface BRI Brain Response Interface BRIEF Basic Reconfigurable Interactive Editing Facility BRM Basic Remote Module BRS Bibliographic Research Service BRS Bibliographic Retrieval Service BRS Big Red Switch BS BackSpace BS Banded Signaling BSA Basic Service Arrangements BSA Basic Serving Arrangements BSA Business Software Alliance BSA Business Software Association BSAM Basic Sequential Access Method BSBH Busy Season Busy Hour BSC Binary Synchronous Communication BSC Binary Synchronous Communications BSC Business Service Center BSCM BiSynchronous Communications Module BSD Berkeley Software Distribution BSD Berkeley System Distribution BSE Basic Service Element BSE Basic Service Elements BSF Bit Scan Forward BSI British Standards Institute BSI British Standards Institution BSMTP Batch Simple Message Transport Protocol BSN Backward Sequence Number BSN Broadband Service Node BSOC Bell System Operating Company BSOC Bell Systems Operating Company BSP Bell System Practice BSP Bell Systems Practice BSR Bit Scan Reverse BSRFS Bell System Reference Frequency Standard BSRFS Bell Systems Reference Frequency Standard BSS Basic Synchronized Subset BSS Block Started by Symbol BST Basic Services Terminal BSTJ Bell System Technical Journal BSTJ Bell Systems Technical Journal BSW Boston Software Works BSY Busy BSYNC Binary SYNchronous Communications BT Bit Test BT British Telecom BT Bus Terminator BTAM Basic Telecommunications Access Message BTAM Basic Telecommunications Access Method BTC Bit Test and Complement BTE Broadband Terminal Equipment BTL Backplane Transceiver Logic BTL Bell Telephone Laboratories BTLZ British Telecom Lempel Ziv BTN Billing Telephone Number BTOA Binary TO Ascii BTP Batch Transfer Program BTR Bit Test and Reset BTS Bit Test and Set BTS Board Tracking System BTU British Thermal Unit BTZ Bundesant fur Zulassungen in der Telekommunikation BUF Buffer BUNCH Burroughs, Univac, NCR, Control data, Honeywell BUS Basic Utility System BUT Board Under Test BVA Billing Validation Application BVAPP Billing Verification and Authorization for Payment Process BVC Billing Validation Center BVS Basic Voice Service BWC BandWidth Compression BWM Block-Write Mode BWM Broadcast Warning Message BWOD BandWidth On Demand BWQ Buzz Word Quotient BWT Broadcast Warning TWX BWTS BandWidth Test Set BWTS BandWidth Test Set BX Base eXchange BYTE Binary Element C&ISM Consultant and Information Systems Marketing Group C&T Chips and Technologies C&T Communications & Tracking C-STEP Cultural,Societal,Technological,Economic,Political C/D Control Data C/I Command/Indicate C3CM Command, Control, and Communications Countermeasures C4I Command/Control/Communications/Computers/Intelligence CA CAble CA Collision Avoidance CA Computer Associates CABS Carrier Access Billing System CAC Calling-card Authorization Center CAC Canadian Advisory Committee CAC Carrier Access Code CAC Circuit Administration Center CAC Customer Administration Center CACM Communications of the Association for Computing Machinery CAD Computer Aided Design CAD Computer Aided Dispatching CAD Computer Aided Drafting CAD Computer-Aided Dispatch CADD Computer-Aided Design and Drafting CADV Combined Alternate Data/Voice CAE Common Application Environment CAE Common Applications Environment CAE Computer-Aided Education CAE Computer-Aided Engineering CAEM Computer Aided Engineering and Manufacturing CAF Compters & Acedemic Freedom CAFD Controllers Automatic Message Accounting Format Description CAFM Computer Aided Facilities Management CAG Column Address Generator CAI Call Assembly Index CAI Common Air Interface CAI Computer Aided Instruction CAI Computer Application Inc CAI Computer Assisted Instruction CAI Computer Associates International CAIS Collocated Automatic Intercept System CAIS Common ASPE Interface Specification CAL Computer Assisted Learning CAL Conversational Algebraic Language CALRS Centralized Automatic Loop Reporting System CALRS Centralized Automatic Loop Reporting System CALS Computer-aided Acquisition and Logistics Support CAM Computer Aided Management CAM Common Access Method CAM Communication Access Method CAM Computer-Aided Manufacturing CAM Content Addressable Memory CAM Control Administration Module CAMA Centralized Automatic Message Accounting CAMAC Computer Automated Measurement And Control CAMM Computer Assisted Material Management CAMP Coporate Association for Microcomputer Professionals CAN Campus Area Network CAN Cancel CANC Cancel CANMARC CANadian MARC CAP Central Arbitration Point CAP Columbia Appletalk Package CAP Computer Aided Publishing CAPD Computing To Assist Persons With Disabilities CAPP Computer Aided Process Planning CAPS Capitals (Upper Case Letters) CAPS Cassette Programming System CAPSL CAnon Printing System Language CAPTAIN Character And Pattern Telephone Access Information Network CAR Computer Access & Retrieval CAR Computer Aided Retrieval CAR Contents of the Address Register CARDS Central Archive for Reusable Defense Software CARL Colorado Alliance of Research Libraries CAROT Centralized Automatic Reporting On Trunks CAS Channel Associated Signaling CAS Circuit Associated Signaling CAS Column Address Select CAS Column Address Strobe CAS Communicating Application Specification CAS Communicating Applications Specification CAS Computer Aided Styling CAS Computerized Autodial System CAS Computerized Autodial System CAS Customer Administrative Services CASE Common Application Service Element CASE Computer Aided Software Engineering CASE Computer Aided Systems Engineering CASL Crosstalk Application Scripting Language CASS Computer Assisted Search Service CASSIS Classification and Search Support Information System CAT Computer Aided Testing CAT Computer Aided Tomography CAT Computer Aided Transcription CAT Computer Assisted Typesetter CAT Computer-Aided Telephony CAT Computer-Aided Tomography CAT Computer-aided Test CAT Concatenate CAT Craft Access Terminal CAT Craft Access Terminal CATIS Common Applications and Tools Integration Services CATIS Computer-Aided Tactical Information System CATLAS Centralized Automatic Trouble Locating and Analysis System CATV CAble TeleVision CATV Common Antenna TeleVision CATV Community Antenna TeleVision CAU Connection Arrangement Unit CAU Contolled Access Unit CAV Constant Angular Velocity CB Citizen's Band CBA Change Back Acknowledgement CBBS Computerized Bulletin Board System CBC Cipher Block Chaining CBCR Channel Byte Count Register CBD Change Back Declaration CBDS Connectionless Broadband Data Service CBEMA Computer & Business Equipment Manufacturers Association CBI Computer Based Instruction CBL Computer Based Learning CBM Commodore Business Machines CBMS Computer Based Messaging Systems CBO Continous Bitstream Oriented CBPXI Computer Private Branch Exchange Interface CBR Computer Based Reference CBS Common Bom System CBS CrossBar Switching CBT Computer Based Training CBW Convert Byte to Word CBX Computerized Branch Exchange CBX Computerized Business Exchange CC C Compiler CC Calling Card CC Carbon Copy CC Central Control CC Cluster Controller CC Common Channel CC Common Control CC Connection Confirm CC Cost Center CC Country Code CC Courtesy Copy CC Credit Card CC1 Call Control 1 CCA Common Cryptographic Architecture CCA Communications Control Architecture CCA Compatible Communications Architecture CCA Computer Content Architecture CCA Computer Corporation of America CCA Conceptual Communications Area CCBS Completion of Call to Busy Subscribers CCC Canadian Committee on Cataloging CCC Central Control Complex CCC Ceramic Chip Carriers CCC Clear Channel Capability CCC Command, Control, and Communications CCC Community Computer Center CCC Computer Control Center CCC Concourse Computer Center CCCCM CCC CounterMeasures CCCI Command, Control, Communications, and Intelligence CCD Cash Concentration and Disbursement CCD Charge Coupled Device CCD Charged-Coupled Device CCD Computer-Controlled Display CCD Customer Configuration Document CCEP Commercial Communications Endorsement Program CCFL Cold Cathode Fluorescent Lamp CCFT Cold Cathode Fluorescent Tube CCH Connections per Circuit per Hour CCI Computer Carrier Interrupt CCI Computer Consoles, Incorporated CCIA Computer and Communications Industry Association CCIP Continuously Computed Impact Point CCIR Comite' Consultatif International des Radio Communications CCIR Consultative Committee on International Radio CCIRN Coordinating Committee for Intercontinental Research Networking CCIS Common Channel Interoffice Signaling CCITT Comite' Consultatif International Telegraphique et Telephonique CCITT Consultative Committee on International Telegraphy and Telephony CCL Console Command Language CCM Customer Control Management CCNC CCs Network Control CCNC Common Channel Network Controller CCNC Computer Communications Network Center CCNC Computer/Communications Network Center CCOO Comprehensive Cost of Ownership CCP Call Control Part CCP Console Command Processor CCR Clock Configuration Register CCR Committment, Concurrency, and Recovery CCR Continuity Check Request CCR Customer-Controlled Reconfiguration CCRC Corrupt CRC CCRP Continuously Computed Release Point CCS Calling Card Service CCS Common Channel Signaling CCS Common Command Set CCS Common Communications Support CCS Hundred (C) Call Seconds CCS Hundred (C) Call Seconds CCS7 Common Channel Signalling (version #7) CCSA Common Central Switching Arrangement CCSA Common Control Switching Agreement CCSA Common-Control Switching Arrangement CCSS Common Channel Signalling System CCT CNMA Conference Testing CCT Central Control Terminal CCT Central Control Terminal CCT Cumulative Cycle Time CCTA Central Computer and Telecommunications Agency CCTAC Computer Communications Trouble Analysis Center CCTV Closed Circuit TeleVision CCU COLT Computer Unit CCU Communication Control Unit CCV Calling Card Validation CD Call Deflection (I.252 E) CD Capability Data CD Carrier Detect CD Change Directory CD Collision Detection CD Color Display CD Committee Draft CD Compact Disk CD Current Data CD-I Compact Disk - Interactive CD-R CD-ROM Recorder CD-RDx Compact Disk - Read Only Memory Data Exchange Standard CD-ROM Compact Disk - Read Only Memory CD-RTOS Compact Disk - Real Time Operating System CD-V Compact Disk - Video CD-WO Compact Disk - Write Once CDA Call Data Accumulator CDA Capability Data Acknowledgement CDA Coin Detection and Announcement CDA Compound Document Architecture CDA Compound Documents Architecture CDA Crash Dump Analyzer CDAR Customer Dialed Account Recording CDB Command Descriptor Block CDB Customer Distributed Buglist CDC Clark Development Company CDC Control Data Corporation CDCF Cumulative Discounted Cash Flow CDD Common Data Dictionary CDDI Copper Distributed Data Interface CDE Common Desktop Environment CDE Complex Data Entry CDE Cooperative Development Environment CDEV Control panel DEVice CDF Combined Distributing Frame CDF Context-Dependent File CDI Circle Digit Identification CDI Connected Line Identification CDIAC Carbon Dioxide Information Analysis Center CDIF Case Data Interchange Format CDL Computer Design Language CDMA Code-Division Multiple Access CDO Community Dial Office CDOS Concurrent Disk Operating System CDPD Celluar Digital Packet Data CDPR Customer Dial Pulse Receiver CDPT Celluar Digital Packet Technology CDR Call Detail Record CDR Call Detail Recording CDR Call Dial Rerouting CDR Call Dial Routing CDR Collision Detect input line CDR Compact Disk Reader CDR Contents of the Decrement Register CDR Contents of the Decrement part of the Register CDRL Contract Data Requirements List CDS Circuit Design System CDS Conceptual Data Store CDS Craft Dispatch System CDS Current Directory Structure CDT Call Data Transmitter CDU Control Display Unit CD_CHRDY CarD CHannel ReaDY CE Cache Enable CE Chip Enable CE Collision Elimination CE Communications Entity CE Conducted Emission CE Convert Enable CEF Cable Entrance Facility CEG Continuous Edge Graphics CEI Comparably Efficient Interconnection CEI Conducted Electromagnetic Interference CEI Connection End-Point Identifier CEN Comite Europeen de Normalisation CENELEC CEN Electrotechnique CENTREX CENTRalized EXchange CEO Comperhensive Electronic Office CEOI Communications-Electronic Operating Instructions CEP Communications End Point CEP Connection Endpoint CEPT Conference of European Postal and Telecommunications CERFnet California Education and Research Federation Network CERN Conseil Europeenne pour la Recherche Nucleaires CERT Computer Emergency Response Team CERT/CC Computer Emergency Response Team/Coordination Center CES Computer Election Systems CES Consumer Electronics Show CET Computer-Enhanced Telephony CEV Control Environmental Vault CEV Controlled Environment Vault CEVI Common Equipment Voltage Indicator CEVI Computer Equipment Voltage Indicator CF Coin First CF Conversion Facility CFB Cipher Feedback CFB Color Frame Buffer CFCA Communications Fraud Control Association CFD Computational Fluid Dynamics CFI Configurable Interface CFM Cubic Feet per Minute CFNR Call Forwarding No Reply CFP Call Forwarding Busy CFR Code of Federal Regulations CFU Call Forwarding Unconditional CGA Color Graphics Adapter CGB Circuit Group Blocking CGBA Circuit Group Blocking Acknowledgement CGCT Compagnie Generale de Constructions Telephoniques CGI Color Graphics Interface CGI Computer Generated Images CGI Computer Graphics Interface CGM Computer Graphics Metafile CGN Concentrator Group Number CGU Circuit Group Unblocking CGUA Circuit Group Unblocking Acknowledgement CHAP CHAnnel Processor CHAR CHARacter CHARGEN CHARacter GENerator CHAT Conversational Hypertext Access Technology CHCK CHannel ChecK CHGRP CHange GRouP CHILL CCITT HIgh-Level Language CHIP Communications Handbook for Intelligence Planners CHIPS Clearing House Interbank Payments System CHKDSK CHecK DiSK CHMOD CHange MODe CHOTS Corporate Headquarters Office Technology System CHOWN CHange OWNer CHP ChaPter CHR CHaRacter CI Computer Interconnect CI Cluster Interconnect CI Connect Indication CIA Central Intelligence Agency CIAC Computer Incident Advisory Capability CIB Console Interface Board CIC CSNET Information Center CIC Carrier Identification Code CIC Carrier Identification Codes CIC Circuit Identification Code CIC Coordination and Information Center CICS Customer Information Control System CICS Customer Information Control System [IBM] CICS/VS Customer Information Control System/Virtual Storage CID Caller ID CID Charge Injection Device CID Computer Integrated Design CID Connection Identification CIDIN Common Icao Data Interchange Network CIE Commission Internationale d'Eclairage CIE Consumer Initiated Entry CIF Caltech Intermediate Form CIF Common Intermediate Format CIGOS Canadian Interest Group on Open Systems CII Call Identity Index CIM CompuServe Information Manager CIM Computer Integrated Manufacturing CIMITI Centre for Information Management and Information Technology Innovation CIMT Computer Integrated Manufacturing and Technology CIO Chief Information Officer CIOCS Communication Input/Output Control System CIP Command Interface Port CIP Control Interface Port CIR Committed Information Rate CIR Computer Integrated Research CIRC Circular Reference CIRCA Center for Instructional and Research Computing Activities CIRIS Consolidated Intelligence Resources Information System CIRR C/I Receive Register CIRU Computer Industry Research Unit CIS Card Information Structure CIS Commercial Instruction Set CIS Compuserve Information Service CIS Computer Information Systems CIS Customer Intercept Service CIS Customized Intercept Service CISA Certified Information Systems Auditor CISC Complex Instruction Set Chip CISC Complex Instruction Set Computer CISC Complex Instruction Set Computing CIT California Institute of Technology CIT Case Institute of Technology CIT Computer Integrated Telephony CIU Computer Interface Unit CIX Commercial Internet eXchange CIXR C/I Transmit Register CK Checkbits CKD Count Key Data CKS Clock select bit CL Connection-Less mode CL ConnectionLess CL Connectivity Language CL-TK CLaim ToKen CLAR Channel Local Address Register CLASP Comprehensive Logistics Automated Support Program CLASS Centralized Local Area Selective Signaling CLASS Custom Local Area Signaling Service CLASS Custom Local Area Signaling System CLC CLear Carry CLC Canon Laser Copier CLD CLear Direction CLDN Calling Line Directory Number CLEF Certified Licensed Evaluation Facility CLEI Common-Language Equipment Identification CLI CLear Interrupt CLI Call Level Interdace CLI Calling Line Identification CLI Command Line Interface CLI Command Line Interpreter CLID Calling Line IDentification CLIP Calling Line Identification Presentation CLIR Calling Line Identification Restriction CLIST Command LIST CLK CLocK CLLI Common-Language Location Identification CLLM Consolidated Link-Layer Management CLM Career Limiting Move CLNP ConnectionLess Network Protocol CLNP ConnectionLess Network Protocol CLNP Connectionless-mode Network Protocol CLNS ConnectionLess Network Service CLNS Connectionless-mode Network Service CLOS Common Lisp Object System CLP Country List Price CLR Combined Line and Recording CLRC Circuit Layout Record Card CLS CLear Screen CLS ConnectionLess Server CLS Connectless-Mode Service CLT Communications Line Terminal CLTP Connectionless Transport Protocol CLTS CLear Task Switch CLTS ConnectionLess Transport Service CLUT Color LookUp Table CLV Constant Linear Velocity CM Command Module CM Configuration Management CM Connection Memory CM Control Mark CM Corrective Maintenance CMA Cash Management Account CMA Communications Managers Assocation CMA Concert Multi-thread Architecture CMAC Centralized Maintenance and Administration Center CMAS Central Massachusetts Administrative Services CMC Call Modification Completed CMC Carry-in Monthly Charge CMC Cellular Mobile Carrier CMC Common Mail Calls CMC Communication Machinery Corp. CMC Communication Machinery Corporation CMC Communication Mangement Configuration CMC Complement Carry Flag CMC Construction Maintenance Center CMC Construction Maintenance Center CMCC Central Mission Control Centre CMD Centralized Message Distribution CMDF Combined Main Distributing Frame CMDS Centralized Message Data System CMI Computer Managed Instruction CMIP Common Management Information Protocol CMIS Common Management Information Service CMIS Common Management Information Services CMISE Common Management Information Service Element CML Current Model Logic CMMU Cache/Memory Management Unit CMOL CMIP Over LLC CMOS Complementary Metal-Oxide Semiconductor CMOS Complimentary-symmetry Metal-Oxide Semiconductor CMOT CMIP Over TCP/IP CMP CoMmunications Plenum CMP Compare CMP Computer CMP Cooperative Marketing Partner CMP Cooperative Marketing Program CMPS CoMPare String CMR Call Modification Request CMR CoMmunications Riser CMRJ CMR reject CMRR Common Mode Rejection Ratio CMRR Common Mode Rejection Ratio CMS Call Management System CMS Circuit Maintenance System CMS Code Management System CMS Color Management System CMS Communications Management Subsystem CMS Compiler Monitor System CMS Conversation Monitor System CMS Conversational Monitor System CMS Conversational Monitoring System CMS Creative Music Systems CMT Cellular Mobile Telephone CMU COLT Measurement Unit CMU Carnegie-Mellon University CMW Compartmented Mode Workstation CMY Cyan-Magenta-Yellow CMYK Cyan-Magenta-Yellow-blacK CN Change Notice CN CoNect CN Connection CN Country Name CN/A Customer Name/Address CNA Certified Netware Administrator CNA Communications Network Application CNAB Customer Name/Address Bureau CNC CoNCentrator CNC Computer Numerical Control CNC Computerized Numerical Control CNCC Customer Network Control Center CNCP Canadian National Canadian Pacific CNE Certified Netware Engineer CNG CalliNG CNI Certified Netware Instructor CNI Common Network Interface CNM Communications Network Management CNMA Communications Network for Manufacturing Applications CNMS Cylink Network Management System CNMS Cylink Network Management System CNR Carrier to Noise Ratio CNRCVUUCP Compressed News ReCeive Via UUCP CNS Complimentary Network Service CNVT Convert CO Central Office CO Command Output CO Connection-Oriented CO Convert Out CO Customer Owned COA Change Over Acknowledgement (SS7: in MTP) COAM Customer Owned And Maintained COBOL COmmon Business-Oriented Language COBRA Common OBject Request Association COC Central Office Connection COC Circuit Order Control COC Circuit Order Control COC Corporate Operations Committee COCOT Customer-Owned Coin-Operated Telephone CODASYL Conference On DAta SYstems Languages CODCF Central Office Data Connecting Facility CODEC COder-DECoder CODLS COnnection-mode Data Link Service COE Central Office Equipment COEES Central Office Equipment Engineering System COEM Commercial Original Equipment Manufacturer COER Central Office Equipment Report COFF Common Object File Format COGO COordinate GeOmetry COIN Columbia Online Information Network COINS Community Online Intelligence System COLD Computer Output to Laser Disk COLP Connected Line Identification Presentation COLR Connected Line Identification Restriction COLT Central Office Line Tester COM Common Object Model COM Computer Output (on) Microfiche COM Computer Output (on) Microfilm COM/EXP Compander/Expander COMAS Central Office Maintenance and Administration System COMBS Customer-Oriented Message Buffer System COMDEX COMputer Dealer's EXposition COMIREX Committee on Imagery Requirements and Exploitation COMM Communications COMPUSEC COMPUter SECurity COMS Complementary Metal Oxide Semiconductor COMSAT COMmunications SATellite COMSEC COMmunication SECurity COMSTAR Common System for Technical Analysis & Reporting CON Central Office News CON Console CONF Conference Calling CONFIG Configuration CONN CONNector CONN Connect Msg. CONP Connection-Oriented Network Service CONS CONStruct CONS Connection Oriented Network Services CONS Connection-Oriented Networking Service CONS Connection-Oriented Networking Session CONTAC Central Office NeTwork ACcess CONTACT Central Office Network Access CONUS CONtinental United States COO Change Over Order COOL COBOL Object Oriented Language COP Call Offering Procedure COP Character-Oriented Protocol COPIS Corporate Planning Information System COPP Connection-Oriented Presentation Protocol COPS Computer Oracle and Password System COPS Connection-Oriented Presentation Service COR Confirmation Of Receipt CORA Canadian OSI Registration Authority CORBA Common Object Request Broker Architecture CORC Commands and Responses Definition and Compressing Program (IOS) CORE COntrolled Requirement Expression CORN COmputer Resource Nucleus CORNET CORporate NETwork COS Central Office Switch COS Class Of Service COS Compatible Operating System COS Connection-Mode Service COS Corporation for Open Systems COSAC Canadian Open Systems Applications Criteria COSE Common Open System Environment COSINE Cooperation for Open Systems Interconnection Networking in Europe COSMIC COmmon System Main InterConnecting frame COSMIC COmmon Systems Main InterConnection frame system COSMIC COmputer Software Management and Information Center COSMIC COmputer Software Management and Information Center COSMIC COmputer Software Management and Information Center COSMIC Common System Main InterConnection COSMIC Common Systems Main InterConnection COSMOS COmputer System for Mainframe OperationS COSMOS COmputerized System for Mainframe OperationS COSS Common Object Services Specification COSSS Committee on Open Systems Support Services COT Card Or Tape COT Central Office Terminal COT Central Office Terminal COT Central Office Terminal COT Continuity COTP Connection-Oriented Transport Protocol COTS Commercial Off The Shelf COTS Connection-Oriented Transport Service CP CoPy CP Command Processor CP Connect Presentation CP Consumer Premises CP Control Program CP Copy Protected CP/M Control Program Master CP/M Control Program for Microcomputers CPA Centralized/Bulk Power Architecture CPA Communications & Public Affairs, "C&PA" CPAV Central Point AntiVirus CPC Cellular Phone Company CPC Circuit Provisioning Center CPD Central Pulse Distributor CPD Common Packet Data Channels CPE Central Processing Element CPE Customer-Premises Equipment CPE Customer-Provided Equipment CPF Control Program Facility CPFF Cost Plus Fixed Fee CPFM Continous Phase Frequency Modulation CPG Call Progress CPG Clock Pulse Generator CPH Cost Per Hour CPI Characters Per Inch CPI Clock Per Instruction CPI Common Programming Interface CPI Computer to PBX Interface CPIO CoPy In/Out CPIW Costumer Provided Inside Wiring CPL Characters Per Line CPL Combined Programming Language CPL Current Privilege Level CPM Cost Per Minute CPM Critical Path Method CPMP Carrier Performance Measurement Plan CPN Compuserve Packet Net CPO Corporate Product Operations CPO Customer Premises Equipment CPP Cable Patch Panel CPP Connect Presentation Accept CPP Corporate Planning Process CPQ Compaq CPR Connect Presentation Reject CPS COS/POSI/SPAG CPS Characters Per Second CPS Characters Per Second CPSR Computer Professionals for Social Responsibility CPU Central Processing Unit CQ Call to Quarter CQ Change of Quarters CQ Charge of Quarters CQM Circuit Group Query CQR CQM Response CR Carriage Return CR Connect Request CR Control Response CRAM Card Random Access Memory CRAS Cable Repair Administrative System CRC Customer Record Center CRC Cyclic Redundancy Check CRC Cyclical Redundancy Character CRCOK CRC OK CRD Customer Required Date CRED Credit Card Calling (I.256 A) CREF Connection Refused CREG Concentrated Range Extension & Gain CREG Concentrated Range Extension with Gain CREN Corporation for Research and Educational Networking CRF Communication Related Function CRF Cross Reference File CRFMP Cable Repair Force Management Plan CRG Central Resource Group CRI Cray Research, Inc. CRIN Centre de Recherche en Informatique de Nancy CRIS Customer Record Information Service CRIS Customer Record Information System CRISP Complex-Reduced Instruction Set Processor CRITICOMM Critical Intelligence Communications CRL Ceter for Research Libraries CRLF Carriage Return/Line Feed CROM Control Read Only Memory CRONIC Colorado Rudimentary Operating Nucleus for Intelligent Controllers CROTCH Computerized Routine for Observing and Testing the Channel Hardware CRS Centralized Results System CRSAB Centralized Repair Service Answering Bureau CRT Cathode Ray Tube CRTC CRT Controller CRTC Canadian Radio-television and Telecommunications Commission CRUD Create Retrieve Update and Delete CS Cable Switching CS Chip Select CS Clear to Send CS Code Segment CS Computer Science CS Computing Science CS Conducted Susceptibility CS Coordinated Single-layer CSA Canadian Standards Association CSA Canadian Standards Association CSA Carrier Servicing Area CSA Carrier Serving Area CSA Client Service Agent CSA Customer Service Administration CSAB Computer Science Accreditation Board CSAB Computing Sciences Accreditation Board CSACC Customer Service Administration Control Center CSACS Centralized Status, Alarm and Control System CSAR Centralized System for Analysis Reporting CSAR Channel System Address Register CSC Cell Site Controller CSC Computer Science Corporation CSC Computer Sciences Corporation CSC Customer Support Center CSDC Circuit Switched Digital Capability CSDN Circuit-Switched Data Network CSE Common Subexpression Elimination CSE Coordinated Single-layer Embedded CSG Constructive Solid Geometry CSG Consulting Services Group CSG Corporate Systems Group CSI Commercial System Integration CSI Commercial Systems Integration CSI Computer Security Institute CSIC Costumer Specific IC CSIS Canadian Security and Intelligence Service CSL Coin Supervising Link CSL Computer Sensitive Language CSL Computer Systems Laboratory CSM Command and Service Module CSM Computer Systems Manufacturing CSMA Carrier Sense Multiple Access CSMA Carrier Sense Multiple Access CSMA/CA Carrier Sense Multiple Access/Collision Avoidance CSMA/CD Carrier Sense Multiple Access/Collision Detection CSMA/CP Carrier Sense Multiple Access/Collision Prevention CSMC Communications Services Management Council CSN Circuit-Switched Network CSN Computer Systems News CSNET Computer Science NETwork CSO Central Services Organization CSO Cold Start Only CSO Complimentary Solutions Organization CSO Computing Services Office CSOC Consolidated Space Operations Center CSP Coin Sent Paid CSP Commercial Subroutine Package CSP CompuCom Speed Protocol CSP Control Switching Point CSP Cross System Product CSPDN Circuit-Switched Public Data Network CSPP Computer Systems Policy Project CSR Clock Shift Register CSR Control and Status Register CSR Customer Service Records CSR Customer Service Representative CSRG Computer Systems Research Group CSRI Computer Systems Research Institute CSS Computer Special Systems CSS Computer Sub-System CSS Conceptual Signaling and Status CSS Continuous System Simulation CSS Controlled Slip Second CSS Customer Switching System CSSE Computer Services System Engine CSSFE Controlled Slip Second Far End CSSG Customer Service Solutions Group CST Change State CST Current State CST Call State CSTA Computer-Supported Telephony Applications CSTO Computer Systems and Technology Office CSU Channel Service Unit CSV Comma Separated Value CT Call Transfer CT Circuit Time CT Computed Tomography CT Conference Testing CT Current Transformer CTC Central Test Center CTC Centralized Traffic Control CTC Chu-Itoh Techno-Science Co. CTD Computing and Telecommunications Division CTD Cumulative Transit Delay CTERM Command TERMinal CTM Contact Trunk Module CTM Contac Trunk Module CTM Current Transformation Matrix CTMC Communications Terminal Module Controller CTMS Carrier Transmission Measuring System CTNE Compania Telefonica Nacional de Espana CTO Call Transfer Outside CTOS Computerized Tomography Operating System CTOS Convergent Technologies Operating System CTPA Coax-to-Twisted-Pair Adapter CTRL Control CTS Cartridge Tape Subsystem CTS Clear To Send CTS Compatible Timesharing System CTS Configuration Technical Specialists CTS Conformance Testing Services CTS-LAN CTS Local Area Network CTS-WAN CTS Wide Area Network CTSS Chameleon Time-Sharing System CTSS Compatible Time Sharing System CTSS Cray Time Sharing System CTSS Cyber Time-Sharing System CTT Cartridge Tape Transport CTTC Cartridge Tape Transport Controller CTTN Cable Trunk Ticket Number CTV Canadian TeleVision network CTY Console TeletYpe CU Control Unit CU Customer Unit CU/TK Common Update/EQuipment system CUA Common User Access CUB Cursor Backward CUCRIT Capital Utilization CRITeria CUD Cursor Down CUF Cursor Forward CUG Closed User Group CUI Character based User Interface CUI Common User Interface CUNBATCH Compressed news UNBATCH CUP Cursor Position CUPID Completely Universal Processor I/O Design CUSP Commonly Used System Program CUT Coordinated Univeral Time CUU Cursor Up CV Code Violation CVCP Code Violation, CP-bit Parity CVCRC Code Violation, Cyclic Redundancy Check CVF Compressed Volume File CVFE Code Violation, Far End CVGA Color Video Gaphics Array CVIA Computer Virus Industry Association CVP Code Violation, P-bit CVR Compass Voice Response CVT Continuous Variable Transmission CW Call Waiting CW Continuous Wave CWARC Canadian Workplace Automation Research Centre CWC City-Wide Centrex CWD Call Waiting Deluxe CWD Convert Word to Double Word CWI Centrum voor Wiskunde en Informatica CXI Common X-windows Interface CYL Cylinder CYMK Cyan-Yellow-Magenta-Black C^3 Command, Control, and Communications C^3M CCC CounterMeasures D-CTL D Channel Controller (IDEC) D/A Digital to Analog D/R Direct or Reverse D2T2 Dye Diffusion Thermal Transfer DA Directory Assistance DA Desk Accessory DA Destination Address DA Don't Answer DA/C Directory Assistance/Computerized DA/M Directory Assistance/Microfilm DAA Data Access Arrangement DAA Decimal Adjust for Addition DAC Design Automation Conference DAC Digital to Analog Converter DAC Drive Array Controller DAC Dual Attachment Concentrator DACC Directory Assistance Call Completion DACCS Digital Access Cross Connect System DACD Directory Access Control Domain DACK DMA ACK DACOM Data Communictions DACS Digital Access Cross-connect System DACS Directory Assistance Charging System DACS Digital Access Control Domain DAD Database Action Diagram DAD Digital Audio Disc DAD Draft ADdendum DAEDR Delimitation, Alignment and Error Detection Procedure DAEMON Disk And Execution MONitor DAF Directory Authentication Framework DAF Distributed Application Framework DAG Defense Agencies Group DAIS Distributed Automatic Intercept System DAIS Defense Automatic Integrated System DAL Data Access Language DAL Dedicated Access Line DAL Disk Access Lockout DAM Data Acquisition and Monitoring DAML Digital Added Main Line DAMP Demand Analysis Manufacturing Planning DAMQAM Dynamically Adaptive Multicarrier Quadrature Amplitude Modulation DAN Departmental Area Network DAO Directory Assistance Operator DAP Data Access Protocol DAP Directory Access Protocol DAP Division Advisory Panel DAP Document Application Profile DAP Document Authentication Framework DARC Division Alarm Recording Center DARPA Defense Advanced Research Project Agency DARPA Defense Advanced Research Projects Agency DARU Distributed Audio Response Unit DARU Distributed Automatic Response Unit DAS Decimal Adjust for Subtraction DAS Device Access Software DAS Directory Assistance System DAS Disk Array Subsystem DAS Distributor And Scanner DAS Dual Attached Studio DAS Dual Attachment Station DAS-WAT Distributor And Scanner - Watch Dog Timer DASD Direct Access Storage Device DASH Dell Advanced SCSI Host DASP Digital Assisted Services Program DASS2 Digital Access Signaling System 2 DAT Duplicate Address Test DATACOM Data Communications DAV Data Above Voice DB Decibel DB Data Buffer DB DataBase DB Decibel DB Dial Box DB2 Database 2 DBA Data Base Administrator DBA Adjusted Decibels DBA Data Base Administrator DBA Digital Business Architecture DBAC Data Base Administration Center DBAS Data Base Administration System DBC Digital Business Center DBC Double Byte Code DBCS Data Bank Control System DBF DBase Format DBM DataBase Manager DBME DataBase Managment Environment DBMS DataBase Management System DBOS Data Bank Organization System DBP Deutsche BundesPost DBRAD Data Base Relational Application Directory DBS Duplex Bus Selector DBS Data Base Server DBSS Data Bank Security System DC Data Cartridge DC Data Collection DC Data Communication DC Data Control DC Device Confirmation DC Direct Current DC Disconnect Confirmation DCA Defense Communications Agency DCA Digital Communications Associates DCA Distributed Communication Architecture DCA Distributed Communications Architecture DCA Document Content Architecture DCAF Distributed Console Access Facility DCASR Defense Contract Administration Services Region DCB Disk Coprocessor Board DCC Data Collection Computer DCC Data Communications Channel DCC Data Country Code DCC Descriptive Cataloging Committee DCC Digital Compact Cassette DCC Digital Customer Center DCC Display Combination Code DCCO Defense Commercial Communications Office DCCS DisContiguous Shared Segments DCD Data Carrier Detect DCE Data Circuit Terminal Equipment DCE Data Circuit-terminating Equipment DCE Data Communication Equipment DCE Data Communications Equipment DCE Distributed Computing Environment DCE Distributed Computing Equipment DCF Data Communication Facility DCF Data Communications Function DCF Data Count Field DCH D-Channel Handler DCH D-Channel Handling bit DCI Desktop Color Imaging DCL DEC Command Language DCL DEC Control Language DCL Data Clock DCL Declaration DCL Device Clear DCL Digital Command Language DCL Digital Control Logic DCLU Digital Carrier Line Uint DCM Digital Carrier Module DCME Digital Circuit Multiplexing Equipment DCMS Distributed Call Measurement System DCMU Digital Concentrator Measurement Unit DCN Data Communication Network DCNA Data Communication Network Architecture DCO Document Change Order DCO-CS Digital Central Office-Carrier Switch DCP Duplex Central Processor DCP Data Collection Processor DCP Demand for Critical Parts DCP Distributed Communications Processor DCP Duplex Central Processor DCPR Detailed Contuing Property Record DCPSK Differential Coherent Phase-Shift Keying DCS Data Collection System DCS Data Communications Subsystem DCS Data Control System DCS Defined Context Set DCS Digital Cross-connect System DCS Distributed Computer System DCS Distribution Control System DCSS Digital Customized Support Services DCSS Discontiguous Shared Segments DCT Digital Carrier Trunk DCT Discrete Cosine Transfer DCTN Defense Commercial Telecommunications Network DCTS Dimension Custom Telephone Service DCU Digital Credit Union DCn Device Control n DD Data Dictionary DD Data Directory DD Data Downstream DD Day DD Digital Display DD Disk Drive DD Double Density DDA Digital Differential Analyzer DDA Disk Drive Adaptor DDA Domain Defined Attribute DDB Device Dependent Bitmap DDBMS Distributed DBMS DDC Direct Department Calling DDC Digital Data Converter DDCMP Digital Data Communication Message Protocol DDCMP Digital Data Communications Message Protocol DDCP Direct Digital Color Proofing DDCU DC-to-DC Converter Unit DDD Direct Distance Dialing DDE Direct Data Entry DDE Dynamic Data Exchange DDE Dynamic Data Exchange DDEML Dynamic Data Exchange Management Library DDF Data Description File DDFII Data Description File for Information Interchange DDH Digital Distributed Hardware DDI Direct Dialing-In DDIF Digital Document Interchange Format DDK Driver Development Kit DDL Data Definition Language DDL Data Description Language DDL Document Description Language DDM Distributed Data Management DDN Defense Data Network DDOV Digital Data Over Voice DDP Datagram Delivery Protocol DDP Distributed Data Processing DDPEX Device Dependent PEX DDR Data Descriptive Record DDS Dataphone Digital Service DDS Design Data Sheet DDS Digital Data Service DDS Digital Data Storage DDS Digital Data System DDS Digital Dataphone Service DDS Digital Distributed Software DDS Direct Digital Service DDS Document Distribution Services DDT DEC Debugging Tape DDT Dynamic Debugging Technique DDX Device Dependent X-windows DDX Distributed Data eXchange DDX Digital Data eXchange DE Data East DE Disk Enclosure DEA Data Encryption Algorithm DEAC Deactivation DEBNA Digital Ethernet BI Network Adapter DEC Digital Equipment Corporation DEC Decrement DEC Device Clear DECDTM Digital Distributed Transaction Manager DECNMS Digital Network Measurement System DECT Digital European Cellular Telephone DECTP Digital Transaction Processing DECUS Digital Equipment Computer Users Society DECUS Digital Equipment Corporation Users Society DEL DELete DELNI Digital Ethernet Local Network Interconnect DELQA Digital Ethernet Lowpower Q-bus network Adapter DELUA Digital Ethernet Lowpower Unibus network Adapter DEM Digital Elevation Model DEMA Data Entry Management Association DEMPR Digital Ethernet Multi-Port Repeater DEPCA Digital Ethernet Personal Computer-bus Adapter DEQNA Digital Ethernet Q-bus Network Adapter DER Distinguished Encoding Rules DEREP Digital Ethernet REPeater DERP Defective Equipment Replacement Program DES Data Encryption Standard DES Data Entry Sheet DES Distributed End System DESPR Digital Ethernet Single Port Repeater DESTA Digital Ethernet thin-wire STation Adapter DET Detatch Msg. DET Device Execute Trigger DET Direct Entry Table DEUNA Digital Ethernet Unibus Network Adapter DEV Device DEW Distant Early Warning DEXEC Diagnostic EXEc software DF Data Field DF Destination Field DF Device Flag DF Direction Finding DF Distributing Frame DF Don't Fragment DF Double Flag DFA Design for Assembly DFC Data Flow Control DFD Data Flow Diagram DFDSM Data Facility Distributed Storage Manager DFE Data Flow Editor DFI Digital Facility Interface DFM Design for Manufacturing DFMS Digital Facility Management System DFN Deutsche Forschungsnetz Verein DFR Document Filing and Retrieval DFS Depth-First Search DFS Distributed File System DFT Design for Test DFT Diagnostic Function Test DFT Discrete Fourier Transform DFT Distributed Function Terminal DFU Data File Utility DG Data General DGA Direct Graphics Access DGIS Direct Graphics Interface Standard DGP Dissimilar Gateway Protocol DHA Destination Hardware Address DI Data In DI Deactivation Indication DI Destination Index DIA Defense Intelligence Agency DIA Document Interchange Architecture DIA Document Interchange Architecture DIAD magnetic Drum Information Assembler / Dispatcher DIAL Digital Idle Asset Listing DIAL Direct Information Access Line DIANE Digital Integrated Attack Navigator Equipment DIAS Defense Automatic Integrated System DIB Device Independant Bitmap DIB Dictionary Information Base DIB Directory Information Bases DIBOL DEC Business Oriented Language DIBOL DIgital coBOL DIBOL Digital Business Oriented Language DIC Digital Interface Controller DIC Digital Concentrator DIC Digital Interface Controller DID Direct Inward Dialing DID DI Downstream DID Destination IDentification DIF Digital Interface Frame DIF Data Interchange Format DIF Digital Interface DIF Digital Interface Frame DIF Display Information Facility DIF Document Interchange Format DIF Documentation Interchange Format DIF Dual Inline Flatpack DIFFSENS Differential Sense DIFMOS Double Injection Floating Gate MOS DIIP Direct Interrupt Identification Port DIL Dual InLine DILOG DIstributed LOGic DIM Data In the Middle DIM Demand Integration Meeting DIMA Data Information Management Architecture DIMS Document Image Management System DIMS Document Imaging Management System DIN Deutsche Industrie Normenausschuss DIN Deutsche Ingineering Normilization DIN Deutsches Institut fur Normung DINS Digital Information Network Service DIO Data Input-Output DIP Dual In-line Package DIP Document Interchange Protocol DIPE Distributed Interactive Processing Environment DIR Direction DIR Directory DIRE DIRE Is Really EMACS DIRT Design In Real-Time DIS Defense Investigative Service DIS Digital Information Systems DIS Disconnect DIS Draft International Standard DIS Dynamic Impedance Stabilization DISA Direct Inward System Access DISA Data Interchange Standards Association DISA Direct Inward Subscriber Access DISA Direct Inward System Access DISC Disconnect DISER Digital Information Systems External Resources DISOSS DIStributed Office Support System DISP Directory Information Shadow Protocol DISP Displacement DISP Draft International Standardized Profile DIT Directory Information Tree DIU Digital Interface Unit DIU Deactivate Indication DIV Divide DIW D-Inside Wire DIX DEC, Intel, Xerox DL Data Link layer DL Direct Labor DL Distibution List DL Download DL/1 Data Manipulation Language 1 DLAB Divisor Latch Access Bit DLC Digital Loop Carrier DLC Data Link Control DLC Digital Loop Carrier DLCI Data Link Connection Identifier DLCU Digital Line Carrier Unit DLE Data Link Escape DLE Delete DLG Digital Line Graph DLI Data Link Interface DLL Dial Long Lines DLL Data Link Layer DLL Dynamic Link Layer DLL Dynamic Link Library DLN Digital Library Network DLO Dead Letter Office DLR DOS LAN Requester DLS Digital Link Service DLS Data Link Service DLS Dial Line Service DLS Digital Line Section DLSAP Data Link Service Access Point DLSDU Data Link Service Data Unit DLTU Digital Line/Trunk Unit DLTU Digital Line Trunk Unit DLU-PG Digital Line Unit - Pair Gain DLUC Digital Line Unit Control DM Delta Modulation DM Dialog Manager DM Disconnected Mode DM Disconnected Mode DMA Direct Memory Access DMAC DMA Controller DMCL Digital Modem Command Language DMD Directory Management Domain DME Digital Management Education DME Distance Measuring Equipment DME Distributed Management Environment DMI Digital Multiplexed Interface DMI Definition of Management Information DMI Desktop Management Interface DMI Digital Multiplexed Interface DMI Digital Multiplexed interface DML Data Manipulation Logic DML Data Manipulation Language DML Database Management Language DMM Digital Multimeter DMM Digital Multimeter DMM District Manufacturing Manager DMMS Dynamic Memory Management System DMO Domain Management Organization DMOS Diffusion Metal Oxide Semiconductor DMOS Double-diffused Metal-Oxide Semiconductor DMP Dot Matrix Printer DMPL Digital Microproccessor Plotter Language DMRD Defense Management Report Decision DMS Data Management System DMS Digital Multiplexed System DMS Data Management Services DMS Data Management Software DMS Defense Messaging System DMS Diskless Management Service DMSP Defense Meteorological Satellite Program DMSS Distribution, Marketing, Sales and Service DMT Design Maturity Test DMTF Desktop Management Task Force DMU Data Manipulation Unit DMY Day Month Year DN Directory Number DN Distinguished Name DN Down DNA Digital Named Accounts DNA Digital Network Architecture DNA Digital Network Architecture DNC Dynamic Network Controller DNC Direct Numerical Control DNC Dynamic Network Controller DNCRI Division of Networking and Communications Research and Infrastructure DNHR Dynamic Non Hierarchical Routing DNI DECnet Network Interface DNIC Data Network Identification Code DNIS Dialed Number Identification Service DNR Dialed Number Recorder DNS Domain Name System DNS Domain Naming System DNX Dynamic Network X-connect DO Data Out DOAM Distributed Office Applications Model DOC Dynamic Overload Control DOC Department of Communications DOCS Display Operator Console System DOCS Display Operator Console System DOCS Display Operator Control System DOD Department Of Defense DOI Document Oriented Interface DOM Data On Master group DOM Data On Master DOM Data On Master group DOM District Operations Manager DOMAIN Distributed Operating Multi Access Interactive Network DONACS Department Of Navy office Automation on Communication System DOP Directory Operational Protocol DORE Dynamic Object Rendering Environment DOS Disk Operating System DOS/VSE Disk Operating System/Virtual Storage Extended DOT&E Director, Operational Test and Evaluation DOTS Digital Office Timing Supply DOV Data Over Voice DOW Day Of Week DP Demarcation Point DP Dial Pulse DP Data Processing DP Display Postscript DP Draft Proposal DPA Demand Protocol Architecture DPA Distributed Power Architecture DPA Document Printing Application DPAC Dedicated Plant Assignment Center DPANS Draft Proposed American National Standard DPAREN Data Parity Enable DPB Drive Parameter Block DPC Destination Point Code DPC Direct Program Control DPCM Differential PCM DPE Data Path Extender DPI Dots Per Inch DPL Descriptor Privilege Level DPLL Digital Phase Locked Loop DPM Defect Per Million DPM Digital Panel Meter DPM Directional Policy Matrix DPMA Data Processing Management Association DPMI DOS Protected Mode Interface DPN-PH Data Packet Network - Packet Handler DPNSS Digital Private Network Signaling System DPP Discounted Payback Period DPP District Partner Program DPPX Distributed Processing Programming eXecutive DPS Display PostScript DPSK Differential Phased-Shift Keying DQDB Distributed Queue Dual Bus DQDB Distributed Queued Dual Bus DQL Database Query Language DQT Design Quality Test DR Data Ready DR Data Receive DR Data Received DR Deactivate Request DR Deactivation Request DR Delivery Report DR Digital Research DR Disconnect Request DRAM Dynamic Random Access Memory DRAW Direct Read After Write DRC Data Resource Center DRCS Dynamically Redefinable Character Sets DRD Data Reading Device DRD Data Reading Device DRD Data Reading Device DRDA Distributed Relational Data Architecture DRDBMS Distributed Relational DBMS DRDW Direct Read During Write DRE Direction DRE Directional Reservation Equipment DRI Defense Research Internet DRI Digital Research Incorporated DRMU Digital Remote Measurement Unit DRO Data Request Output DRO Destructive Read-Out DRP DECnet Routing Protocol DRP Directory Replication Protocol DRP Distribution Resource Planning DRPF Decimal Reference Publication Format DRS Data Rate Select DRV Drive DS Digital carrier Span DS Dansk Standardiseringsrad DS Data Segment DS Data Send DS Data Server DS Digital Signal DS Digital carrier Span DS Direct Signal DS Directory Service DS Distributed Single-layer DS Document Storage DS Double-Sided DS Draft Standard DS0 Digital Signal ZER0 DSA Decimal Shift and Add Algorithm DSA Destination Software Address DSA Dial System Assistance DSA Digital Signal Analyzer DSA Digital Storage Architecture DSA Directory Service Agent DSA Directory System Alert DSA Directory Systems Agent DSA Distributed Systems Architecture DSAB Distributed Systems Architecture Board DSAP Destination Service Access Point DSB Double SideBand DSBAM Double-SideBand Amplitude Module DSBSC Double SideBand Supressed Carrier DSC Digital Subscriber Controller DSC Document Structuring Conventions DSC Document Structuring Conventions DSCS Defense Satellite Communications System DSD Data Structure Definition DSD Data Structure Diagram DSDC Direct Service Dial Capability DSDC Direct Service Dial Capability DSDD Double Sided, Double Density DSE DSA Specific Entry DSE Data Storage Equipment DSE Data Structure Editor DSE Data Switching Equipment DSE Distributed Single-layer Embedded DSEA Display Station Emulation Adapter DSECT Dummy Control Section DSEE Domain Software Engineering Environment DSHD Double Sided, High Density DSI Digital Speech Interpolation DSI Data Subscriber Interface DSIN Digital Software Information DSL Digital Subscriber Line DSL Dynamic Simulation Language DSLA Digital Software Licensing Architecture DSM Digital Standard MUMPS DSM Digital Switching Module DSM Distributed Systems Manufacturing DSMC Digital Service Monthly Charge DSN Digital Signal level N DSN Deep Space Network DSN Digital Services Network DSO Digital Storage Oscilloscope DSOM Distributed SOM DSP Defense Standardized Protocol DSP Defense Support Program DSP Digital Signal Processing DSP Digital Signal Processor DSP Directory System Protocol DSP Domain Specific Part DSQD Double Sided, Quad Density DSR Dynamic Service Register DSR Data Send Ready DSR Data Set Ready DSR Device Status Register DSR Device Status Report DSR Digital Standard Runoff DSR Dynamic Service Register DSRI Digital Standard Relational Interface DSS Data Station Selector DSS Decision Support System DSS Digital Signal Standard DSS Digital Signature Standard DSS Direct Station Selection DSS Domain-Specific System DSSI Digital Small Storage Interconnect DSSI Digital Storage Systems Interconnect DSTAR Digital System Technical Architecture Research DSTN Double SuperTwisted Nematic DSU Data Servicing Unit DSU Data Service Unit DSU Digital Service Unit DSU Disk Subsystem Unit DSU/CSU Data Service Unit/Channel Service Unit DSUWG Data Systems Users Working Group DSW Data Status Word DSW Device Status Word DSX Digital System X-connect DT Data Transmit DT Di-group Terminal DT DaTa DT Data Through DT Data Transfer DT Dial Tone DT1 Data Form Class 1 DTA Disk Transfer Area DTAM Document Transfer Access and Manipulation DTAM Document Transfer, Access, and Manipulation DTAS Digital Test Access System DTB Data Transfer Bus DTC Di-group Terminal Controller DTC Digital Trunk Controller DTC Digital Telephone Controller DTC Digital Typeface Corp. DTD Document Type Definition DTE Data Terminal Equipment DTE Dumb Terminal Emulator DTF Dial Tone First DTG Direct Trunk Group DTI Digital Trunk Interface DTIF Digital Tabular Interchange Format DTIF Digital Transmission Interface Frame DTL Diode-Transistor Logic DTM Data Transfer Module DTM Digital Trunk Module DTMF Dual Tone Multi Frequency DTN Digital Telephone Network DTP DeskTop Publishing DTP Distributed Transaction Processing DTR Data Terminal Ready DTR Data Transfer Rate DTS Digital Termination System DTSS Dartmouth TimeSharing System DTST Dial Tone Speed Test DTU Di-group Terminal Unit DTU Demand Transmission Unit DTV Desk Top Video DU Data Unit DU Data Upstream (i.e. IOM2) DU Deactivation Request Upstream DU Decision Unit DU Disk Usage DUA Directory User Agent DUATS Direct User Access Terminal System DUOW Distributed Unit Of Work DUP Data User Part DUT Device Under Test DUV Data Under Voice DVC Digital Voice Card DVI Digital Video Interactive DVI Digital Video Interactive DVM Data Voice Multiplexor DVM Digital Volt Meter DVMA Direct Virtual Memory Access DVMRP Distance-Vector Multicast Routing Protocol DVN Digital Video Network DVT Design Verification Test DVX Digital Voice eXchange DWAPS Defense Warehousing Automated Processing System DWB Documenter's WorkBench DWCI DecWindows Compiler Interface DWG Drawing DWIM Do What I Mean DX Distance DXC Data Exchange Control DXF Drawing Interchange Format DXT Data eXtractT facility DXT Data eXtractT facility DYRECT Dynamic Real Time Communication Tester E&M rEceive & transMit E&M Ear and Mouth E-COM Electronic Computer Originated Mail E-COM Electronic Computer Originated Mail E-MAIL Electronic MAIL E-MAIL Electronic MAIL E-NET Ethernet, "E-Net" E911 Enhanced 911 EA Electronic Arts EA Expedited Data Acknowlegment EA Extended Adress EA Extended Attribute EAAT Equal Access Alternative Technologies EADAS Engineering and Administrative Data Acquisition System EADAS/NM EADAS/Network Management EADASS Engineering and Administrative Data AcquiSition System EAEO Equal Access End Office EARN European Academic Research Network EAROM Electrically Alterable Read Only Memory EARS Electronic Access to Reference Services EAS Extended Announcement System EAS Extended Area Service EAS Engineering Administration System EAS Extended Area Service EASD Equal Access Service Date EASD Equal Access Service Data EASI Enhanced Asynchronous SCSI Interface EASI European Academic Supercomputer Initiative EATA Enhanced AT Bus Attachment EBB Economic Bulletin Board EBBS Electronic BBS EBC EISA Bus Controller EBCDIC Extended Binary Coded Decimal Interchange Code EBCDIC Extended Binary Coded Decimal Interexchange Code EBDA Extended BIOS Data Area EBDI Electronic Business Data Interchange EBI Equivalent Background Input EBI Extended Background Investigation EBI Extensive Background Investigations EBT Electronic Benefits Transfer EC Echo Canceller EC Exchange Carrier EC Exchange Carriers ECAD Electronical Computer Aided Design ECAD Engineering Computer Aided Design ECAL Enjoy Computing And Learn ECAP Electronic Customer Access Program ECASS Electronically Controlled Automatic Switching System ECASS Export Control Automated Support System ECC Enter Cable Change ECC Error Check Code ECC Error Checking and Correction ECC Error Correction Code ECC Error Correction Codes ECCM Electronic Counter-CounterMeasures ECCS Economic C (hundred) Call Seconds ECD East Coast Division ECD Enhanced Color Display ECDO Electronic Community Dial Office ECF Enhanced Connectivity Facilities ECF Enhanced Connectivity Facility ECFA Electronic Communications Forwarding Act ECG ElectroCardioGram ECHO European Commision Host Organization ECITC European Committee for Information technology Technology ECL Emitter Coupled Logic ECL Error Code Logging ECL Error Correction Logic ECM Electronic Counter Measure ECM Electronic Countermeasures ECMA European Computer Manufacturers Association ECN Engineering Computer Network ECO Electronic Central Office ECO Engineering Change Order ECP Extended Capabilities Port ECPA Electronic Communication Privacy Act ECPA Electronic Communications Privacy Act ECPT Electronic Coin Public Telephone ECS Electronic Crosconnect System ECS Environmental Control System ECSA Exchange Carriers Standards Association ECSA Exchange Carriers Standards Association ED EWOS Document ED End Delimiter ED Erase Display ED Exception Data ED Expedited Data EDA Electronic Design Automation EDA Embedded Document Architecture EDA Enterprise Data Access EDAC Electromechanical Digital Adapter Circuit EDC Engineering Data Center EDC Error Detection Code EDC Error Detection and Correction EDD Enterprise Data Distribution EDDC Extended Distance Data Cable EDGAR Electronic Data Gathering, Analysis, and Retrieval EDI Electronic Data Interchange EDI Electronic Document Interchange EDIA Electronic Data Interchange Association EDIF Electronic Design Interchange Format EDIFACT EDI for Administration Commerce and Transport EDIM EDI Message EDIME EDI Messaging Environment EDIMS EDI Message Store EDIN EDI Notification EDIUA EDI User Agent EDL Edit Decision List EDLC Ethernet Data Link Control EDLIN Editor Line EDN Expedited Data Negociation EDP Electronic Data Processing EDPM Electronic Data Processing Machine EDRS Engineering Data Resources Services EDS Electronic Data Systems EDSAC Electronic Delay Storage Automatic Computer EDSI Enhanced Small Device Interface EDSX Electronic Digital Signal X-connect EDTCC Electronic Data Transmission Communications Central EDVAC Electronic Discrete Variable Automatic Computer EDWG ESnet DECnet Working Group EE Electrical Engineer EE Electronics Engineer EE End to End Signaling EEC Electronic Equipment EEC Electronic Equipment Cabinet EEC European Economic Commission EEC Extended Error Correction EECT End-to-End Call Trace EEDP Expanded Electronic Dialing Plan EEE Electronic Equipment Enclosures EEG ElectroEncephaloGram EEHLLAPI Entry Emulator High Level Language API EEHO Either End Hop Off EEI Equipment-to-Equipment Interface EEI External Environment Interface EEL Epsilon Extension Language EEM External Expansion Module EEMA European Electronic Mail Association EEMS Enhanced Expanded Memory Specification EEPROM Electrically Erasable Programmable Read-Only Memory EETDN End-to-End Transit Delay Negotiation EFA Extended File Attribute EFD Event Forwarding Discriminator EFF Electronic Frontier Foundation EFI Electromechanical Frequency Interference EFI Electronics For Imaging EFIS Electronic Flight Instrumentation System EFL Emitter Follower Logic EFLS Electronic Filmless Camera System EFRAP Electronic Feeder Route Analysis Program EFS Error Free Seconds EFS Extended Facility Set EFS External File System EFT Electronic Funds Transfer EFTA European Free Trade Association EFTS Electronic Funds Transfer System EG Expert Group EGA Enhanced Graphics Adapter EGP Exterior Gateway Protocol EGREP Extended GREP EHA European Harmonization Activity EHF Extremely High Frequency EHP Error Handling Package EI Ending Inventory EIA Electronics Industries Assotiation EIA Electronic Industries Association EIA Electronics Industry Association EIES Electronic Information Exchange System EIN Employer Identification Number EINE EINE Is Not EMACS EIS Electronic Information Security EIS Enterprise Integration Services EIS Executive Information System EIS Executive Information Systems EIS Expanded Inband Signaling EIS Expanded Inband Signaling EIS Extended Instruction Set EISA Extended Industry-Standard Architecture EISA Extended Industry-Standard Architecture EISB Electronic Imaging Standards Board EISS Economic Impact Study System EISS European Intelligence Support System EIT Encoded Information Type EITS Encoded Information TypeS EIU Extended Interface Unit EIUF European ISDN Users Format EIn Error Indication n EJASA Electronic Journal of the Astronomical Society of the Atlantic EKG ElectroKardioGram EKTS Electonic Key Telephone Service EKTS Electronic Key Telephone Set EKTS Electronic Key Telephone Sets EL ElectroLuminescent EL Erase Line ELAN ESPIRIT Local Area Network ELAP Ethernet LAP ELD Electroluminescent Displays ELDS Exchange Line Data Service ELF Employee Locater Facility ELF Extensible Linking Format ELF Extremely Low Frequency ELLE Elle Looks Like Emacs ELM ELectronic Mailer ELS Entry Level System ELT Emergency Locator Transmitter EM Electronic Mail EM Encryption Module EM End Medium EM Engineering Model EM Expanded Memory EMA Electronic Mail Association EMA Enterprise Management Architecture EMACS Editor MACroS EMACS Editor MACroS EMACS Escape Meta Alt Control Shift EMB Enhanced Master Burst EMB Extended Memory Blocks EMC ElectroMagnetic Capability EMC ElectroMagnetic Compatibility EMC Electromagnetic Compatibility EMC Extended Math Coprocessor EME Electromagnetic Emission EMF ElectroMotive Force EMI ElectroMagnetic Induction EML Expected Measured Loss EMM Enterprise Mail Management EMM Expanded Memory Manager EMM Extended Memory Management EMMS Electronic Mail and Micro Systems EMOS East Mediterranean Optical System EMP Electromagnetic Pulse EMPM Electronic Manuscript Preparation and Markup EMPRESS EnvironMental Pulse Radiation Environment Simulator for Ships EMR Electro-Magnetic Radiation EMR ElectroMagnetic Response EMR ElectroMagnetic Response EMS Electromagnetic Susceptibility EMS Electronic Mail System EMS Electronic Message Service EMS Electronic Message System EMS Element Management System EMS Enterprise Messaging Server EMS Expanded Memory Specification EMS Extended Memory Specification EMU ElectroMagnetic Unit EMUG European MAP/TOP User Group EN Electronic News EN European Norm ENDS End Segment ENE Enterprise Networking Event ENFIA Exchange Network Facility for Interstate Access ENG Engineering ENIAC Electronic Numerical Integrator and Calculator ENIAC Electronic Numerical Integrator and Computer ENQ Enquire ENQ Enquiry ENS Enterprise Network Services ENSDU Expedited Network Service Data Unit EO End Office EO Erasable Optical EOA End of Address EOB End of Block EOC Embedded Operation Channel EOC Embedded Operations Channel EOC End of Conversion EOCM Electro-Optical Countermeasures EOD End Of Data EOD Erasable Optical Disk EOE Electronic Order Exchange EOF End of File EOFC End Of Facsimile Control EOI End or Identify EOJ End of Job EOL End Of Life EOL End of Line EOL End of List EOM End of Message EOR Exclusive OR EOS Extended Operating System EOS Earth Observing System EOS Electrical OverStress EOS Element Of Service EOS End of String EOS Extended Operating System EOT End Of Table EOT End of Tape EOT End of Text EOT End of Transmission EOTC European Organization for Testing and Certification EOTT End Office Toll Trunking EOU End Of User EOWG Engineering and Operations Working Group EP Emulation Program EP Expedited Data EPA Enhanced Performance Architecture EPD Entry Products Division EPG External Products Group EPHOS European Procurement Handbook for Open Systems EPIC Extended PIC EPL Effective Privilege Level EPL Electronic Program Language EPL Electronic switching system Program Language EPLD Electrically Programmable Logic Device EPLS Engineering Price List System EPOS Electronic Point Of Sale EPOS Engineering and Project-management Oriented Support system EPOS Engineering and Project-management Oriented Support system EPP Enhanced Parallel Port EPP Executive Partner Program EPPS Electronic Pre-Press Systems. EPROM Electrically Programmable Read Only Memory EPROM Erasable Programmable Read-Only Memory EPS Encapsulated PostScript EPSCS Enhanced Private Switched Communication Service EPSCS Enhanced Private Switched Communications Service EPSF Encapsulated PostScript File EPSF Encapsulated PostScript Files EPSF Encapsulated PostScript Format EPSI Encapsulated PostScript Interchange EPTS Electronic Problem Tracking System EPUB Electronic PUBlication EQ EQual to EQR Electronics Quality Registry EQUEL Embedded QUEL ER Error ER Error Register ERA Electrically Reconfigurable Array ERA Entity-Relationship-Attribute ERAR Error Return Address Register ERC Error Control ERD Entity-Relation Diagram ERD Entity-Relationship Diagram ERD Event Report Descriminator ERE Entity-Relationship Editor EREP Environmental Recording Editing and Printing ERF Emergency Restoration Facility ERF Event Report Function ERICA Eyegaze Response Interface Computer Aid ERL Echo Return Loss ERLL Enhanced Run Length Limited ERLL Extended Run Length Limited ERMF Event Report Management Function EROM Erasable Read Only Memory ERP Effective Radiated Power ERR Error ERU Error Return Update ERU Error Return address Update ES Extra System ES End System ES Errored Second ES Extra Segment ES-IS End System to Intermediate System ESA Enterprise Systems Architecture (MVS/XA followon) ESA Errored Second, type A ESA European Space Agency ESA European Space Agency ESAC Electronic Surveillance Assistance Center ESAC Electronic Systems Assistance Center ESAFE Errored Second, type A, Far End ESB Emergency Service Bureau ESB Entry Systems Business ESB Errored Second, type B ESC Enhanced Speech Circuit ESC Escape ESCC Extended high level Serial Communication Controller ESCP Errored Second, CP-bit Parity ESCRC Errored Second, Cyclic Redundancy Check ESD ElectroStatic Discharge ESD Electronic Software Distribution ESD Electronic Systems Development ESD Electrostatic Sensitive Device ESD Engineering Service Division ESDI Enhanced Small Device Interface ESDI Enhanced Standard Device Interface ESDP Educational Services Development and Publishing ESF Extended SuperFrame ESF Extended Superframe Format ESFE Errored Second Far End ESG Engineering Systems Group ESH End System Hello ESI ElectroStatic Interference ESI Enhanced Serial Interface ESL Emergency Stand-Alone ESM Electronic Support Measures ESM External Storage Module ESMD Embeded Storage Module Disk ESMD Enhanced Storage Module Device ESN Electronic Serial Number ESN Electronic Switched Network ESO Engineering Support Operations ESOBB European Southern Observatory Bulletin Board ESOC European Space Operations Center ESP Enhanced Serial Port ESP Enhanced Service Provider ESP Errored Second, P-bit ESPEC Ethernet SPECification ESPIRIT European Strategic Program for Research into Information Technology ESPS Entropic Signal Processing System ESS Electronic SpreadSheet ESS Electronic Switching System ESS Environmental Stress Screening ESSEX Experimental Solid State EXchange ESSX Electronic Switching Systen eXchange ESTELLE Extended State Transition Language ESU Electro-Static Unit ESVN Executive Secure Voice Network ESnet Energy Sciences network ET Exchange Termination ET&Q Engineering, Technology and Quality ETAS Emergency Technical ASsistance ETB End of Transmission Block ETF Electronic Toll Fraud ETFD Electronic Toll Fraud Device ETG EWOS Technical Guide ETH Eidgnoessiche Techniche Hochschule ETIS Electronic Telephone Inquiry System ETLA Extended Three Letter Acronym ETN Electronic Tandem Network ETPL Endorsed Tempest Products List ETRI Electronics and Telecommunications ETRI-PEC Electronics and Telecommunications Research Institute - Protocol Engineering Center ETS Econometric Time Series ETS Electronic Tandem Switching ETS Electronic Translation System ETS Electronic Translator System ETS European Telecommunications Standards ETS Executable Test Suite ETSACI Electronic Tandem Switching Adminstration Channel Interface ETSDU Expedited Transport Service Data Unit ETSI European Telecommunication Standards Institute ETSI European Telecommunications Standards Institute ETSSP Electronic Tandem Switching Status Panel ETV Education TeleVision ETX End of Text EU End User EUC Extended Unix Code EUNET European Unix NETwork EUPOT End User-Point of Termination EUROSINET EURopean Open Systems Interconnect NETwork EUSR End User EUUG European UNIX Users Group EUUG European Unix User Group EUV Extreme UltraViolet EVE European Videoconferencing Experiment EVGA Expanded Video Graphics Array EVGA Extended Video Graphics Adapter EVGA Extended Video Graphics Array EVS European Videoconferencing Service EVX Electronic Voice eXchange EW Electronic Warfare EWO Engineering Work Order EWOS European Workshop for Open Systems EWS Engineering Work Station EX EXpedited data EXCA EXchangable Card Architecture EXCOM Executive Committee EXP Exponent EXT External EXTRN External Reference EZW Embedded Zerofree Waves FA Factory Automation FA Finance Accounting FA Frame Aligner FA Fuse Alarm FA&T Final Assembly and Test FAA Facility Accepted FAB Feature-Advantage-Benefit FABS Financial and Administration Business Systems FAC Facility FACD Facility Changed Msg. FACD Foreign Area Customer Dialing FACOM Fujitsu Automatic Computer FACS Facilities Assignment and Control System FACS Facility Assignment and Control System FADU File Access Data Unit FAMOS Floating Gate Avalanche MOS FAN Facility Area Network FAO For Adults Only FAP File Access Protocol FAPL Format And Protocol Language FAQ Frequently-Asked Questions FAQL Frequently-Asked Questions List FAR Federal Acquisition Regulation FAR Facility Request FARNET Federation of American Research NETworks FAS Frame Alignment Signal FASST Flexible Architecture Standard System Technology FAST Federation Against Software Theft FAST First Application System Test FAT File Allocation Table FAT Foreign Area Translation FATT File ATTach FAX Facsimile FBE Free Buffer Enquiry FBI Federal Bureau of Investigation FBO Fixed-Base Operator FBR For Best Results FC Feature Control FC Fiber Channel FC Frame Control FCAP Facility CAPacity FCB File Control Block FCC Forward Command Channel FCC Federal Communications Commission FCC Federal Computer Conference FCC Forward Command Channel FCCSET Federal Coordinating Committee for Science, Education and Technology FCCSET Federal Coordinating Council for Science, Education and Technology FCCSET Federal Coordinating Council for Science, Engineering, and Technology FCFS First Come, First Served FCG False Cross or Ground FCG Format Computer Graphics FCI Flux Changes per Inch FCO Field Change Order FCO Frequency Controlled Oscillator FCP Foundation for Cooperative Processing FCS File Control System FCS File Control Systemction FCS First Customer Ship FCS Frame Check Sequence FCS Frame Control Sequence FCST Forecast FCT Four Corner Test FD File Descriptor FD Flexible Disk FD Flexible Diskette FD Flexible Drive FD Floppy Disk FD Floppy Diskette FD Floppy Drive FD Full Duplex FDC Floppy Disk Controller FDD Floppy Disk Drive FDDI Fiber Digital Data Interface FDDI Fiber Digital Device Interface FDDI Fiber Distributed Data Interface FDDI Fiber Distributed Digital Interface FDHD Floppy Drive High Density FDI Feeder/Distribution Interfaces FDI Format DIrectory FDM Frequency-Division Multiplexing FDMA Frequency Division Multiple Access FDP Field Development Program FDT Format Description Technique FDX Full DupleX FE Format Effecters FE Front End FEA Finite Element Analysis FEBE Far End Block Error FEC Forward Error Correction FECC Front End Communication Computer FECN Forward Explicit Congestion Notification FED Far End Data FED Field Emission Display FEDIX FEDeral Information eXchange FEDSIM FEDeral Systems Integration and Management center FEFO First-Ended, First-Out FEM Finite Element Modeling FEMF Foreign Electro-Motive Force FEP Front End Processor FEPG Federal Engineering Planning Group FEPS Facility and Equipment Planning System FERPM FTAM Error Recovery Protocol Machine FET Field Effect Transistor FEV Far End Voice FF Flip-Flop FF Form Feed FFA Field Failure Analysis FFRDC Federally Funded Reseach and Development Center FFS Fast File System FFT Fast Fourier Transform FG Feature Group FG Frame Ground FG Functional Group FGA Feature Group A FGB Feature Group B FGC Feature Group C FGD Feature Group D FGREP Fixed GREP FGS Fine Guidance Sensors FH Full Height FI File Interchange FIB Focused Ion Beam FIB Forward Indication Bit FIE Federal Information Exchange FIF Fractal Image Format FIFO First-In, First-Out FILO First-In, Last-Out FIMS Forms Interface Management System FIN FINish flag FIN Facility Information Msg. FIN Field Information Notice FINE FINE Is Not Emacs FIO Frequency In and Out FIOC Frame Input/Output Controller FIP Facility Interface Processor FIP File Processor Buffering FIPS Federal Information Proccessing Standard FIR Field Information Report FIR Finite Impulse Response FIRMR Federal Information Resource Management Regulation FIRST Forum of Incident Response and Service Teams FISG Financial Industries Systems Group FISH First In, Still Here FISU Fill In Signal Unit FIT Federal Information Technologies, inc. FITS Flexible Image Transport System FIX Federal Inter-agency eXchange FJ Frame Jump FLACC Full Level ALGOL Checkout Compiler FLD Field FLEA Four Letter Extended Acronym FLL Fixed Loss Loop FLOP FLoating point OPeration FLOPS FLoating-point OPerations per Second FLOPS Floating Point Operations Per Second FLS Floating License Server FLT Front Load Tape FM Fault Management FM Frequency Modulation FMAC Facility Maintenance And Control FMAP Field Manufacturing Automated Process FMC Financial Management Center FMC Flexible Manufacturing Cell FMCS Federal Mediation and Conciliation Service FMEA Failure Mode and Effect Analysis FMIC Field Manufacturing Information Center FMM Finite Message Machine FMMC Field Manufacturing Management Committee FMP Field Manufacturing Plan FMR Field Marketing Representative FMR Follow Me Roaming FMS Financial Management Service FMS Flexible Machining/Manufacturing System FMS Forms Management System FMT Format FMVFT Frequency-Modulated Voice Frequency Telegraph FN FiNish FN Forward Notification FNBE Far and Near end Block Error FNC Federal Networking Council FNPA Foreign Numbering Plan Area FNT Font FO Fiber Optics FO Forecast Order FOA Fiber Optic Adapter FOA First Office Application FOAC Federal Office Automation Center FOC Fiber Optic Communications FOCUS Federation On Computing in the U.S. FOCUS Forum of Control Data Users FOD Finger Of Death FOD Format Office Document FOE Fucking Operator Error FOG First Osborne Group FOIA Freedom Of Information Act FOIMS Field Office Information Management System FOIRL Fiber Optic Inter Repeater Link FOMC Field Operations Management Committee FON Fiber Optics Network FORCS Faa's Operational Reporting Communication System FORTRAN FORmula TRANslator FOSE Federal Office Systems Exposition FOSSIL Fido/Opus/Seadog Standard Interface Layer FOT Fiber Optic Transceiver FOT Forward Transfer FOX Field Operational X.500 FP Facility Parameter Field FP Functional Protocol FPA Floating Point Accelerator FPA Floating Point Adapter FPC Floating Point Coprocessor FPC Frequency Comparison Pilots FPD Flat Panel Display FPDU FTAM Protocol Data Unit FPE Floating Point Engine FPGA Field Programmable Gate-Array FPLA Field Programmable Logic Array FPM Feet Per Minute FPP Fixed Path Protocol FPP Floating Point Processor FPS Fast Packet Switching FPS Feet Per Second FPS Frames Per Second FPU Floating Point Unit FQDN Fully-Qualified Domain Name FR Flat Rate FR Frame Relay FRAC Frame Aligner Circuit FRACTAL FRACTional dimensionAL FRAG Fragment FRAG Fragmentation FRAM Ferroelectric Random-Access Memory FRAM Ferromagnetic RAM FRED FRame EDitor FRED FRont End to the Directory FRED Flipping Rediculous Electronic Device FRED Fred Resembles Emacs Deliberately FREQ File REQuest FRICC Federal Research Internet Coordinating Committee FRJ Facility Rejected Msg. FRMR FRaMe Reject FRPI Flux Reversals Per Inch FRPS Field Reliability Performance Studies FRQ Facility Request Message FRS Flexible Route Selection FRS First Revenue Ship FRS Flexible Route Selection FRU Field Replacable Unit FS Field Service FS File Separator FS File System FS Floppy System FS Frame Status FS Full Scale FS Functional Standard FSC Frame Synchronization Clock FSCM Federal Supply Code for Manufactures FSD File System Driver FSE Field Service Engineer FSF Free Software Foundation FSF Free Software Foundation FSF Free Software Foundation FSF Free Software Foundation FSG Financial Systems Group FSG Format SGML FSK Frequency Shift Keying FSK Frequency Shift Keying FSK Frequency Shift Keying FSK Frequency Shift Keying FSK Frequency Shift Keying FSL Field Service Logistics FSM Finite-State Machine FSN Forward Sequence Number FSR Free System Resources FSS Fast System Switch (System V) FSS Federal Supply Service FSS Flight Service Station FT Field Test FT File Transfer FT1 Fractional T1 FTAM File Transfer Access and Management FTAM File Transfer And Management FTAM File Transfer, Access, and Management FTC Federal Trade Commission FTE Factory Test Equipment FTF Face To Face FTG Final Trunk Group FTM Flat Tension Mask FTP File Transfer Protocol FTPD File Transfer Protocol Daemon FTPI Flux Transitions Per Inch FTS Federal Telecommunications System FTS Federal Telecommunications Service FTS Federal Telephone System FTS File Transfer Service FTS Flight Telerobotic Servicer FTSC Federal Telecommunications Standards Committee FTW File Tree Walk FU Functional Unit FUBAR Failed UniBus Address Register FUD Fear, Uncertainty, and Doubt FUNC Function FUS Full-Use Standard FVC First Volume Commit FX Foreign eXchange FY Fiscal Year G Giga G-LOTOS Graphical Language for Temporal Ordering Specification G/L General Ledger GAAP Generally Accepted Accounting Principles GAB Group Audio Bridging GAIA GUI Application Interoperability Architecture GAL Generic Array Logic GAN Global Area Network GAP Group of Analysis and Provision GARR Gruppo Arminizzazione Rete por la Ricerca GATED GATEway Deamon GB GigaByte GBS Group Bridging Service GC Garbage Collect GC Garbage Collection GC Garbage Collector GC Graphic Context GCA General Communications Architecture GCC Gnu C Compiler GCI General Circuit Interface GCL Graphics Command Language GCOS General Comprehensive Operating System GCR General Configuration Register GCR Gray Component Replacement GCR Group Code Recording GCR Group-Coded Recording GCS Group Control System GDA Global Data Area GDB Gnu DeBugger GDDM Graphics Data Display Manager GDI Graphics Device Interface GDMO Guidelines for the Definition of Managed Objects GDS General Data Stream GDS Graphics Data Syntax GDT Geometric Dimensioning and Tolerancing GDT Global Descriptor Table GE General Electric GE Greater than or Equal to GECOS General Electric Comprehensive Operating System GEIS General Electric Information Systems GEISCO General Electric Information Services COmpany GEL Gain Extention Language GEM Graphics Environment Manager GEMDES Government Electronic Messaging and Document Exchange Service GEMS General Electric Medical Systems GENIE General Electric Network for Information Exchange GENSYM Generated Symbol GEOS Graphic Environment Operating System GET Get Execute Trigger GFCI Ground Fault Circuit Interrupter GFID General Format IDentifier GFR Grim File Reaper GGP Gateway-to-Gateway Protocol GHZ GigaHertZ GIA General International Area GID Group ID GIF Graphic Interchange Format GIF Graphics Interchange Format GIGO Garbage In, Garbage Out GIM Group Identification Mark GIN Graphics INput GIPS Giga-Instructions Per Second GIS Geographical Information System GKS Graphical Kernel Standard GKS Graphical Kernel System GKS Graphics Kernal System GKS-3D Graphical Kernel System in Three Dimensions GKSM GKS Metafile GL Graphics Language GLIB Gay and Lesbian Information Bureau GLM General Linear Models GLOMR Global Low-Orbiting Message Relay GMD Gesellschaft fur Mathematik und Datenverarbeitung GMG Government Manufacturing Group GMT Greenwich Mean Time GMW Give me More Windows GN Given Name GND GrouND GNM Generic Network Model GNMP Government Network Management Profile GNU GNU's Not Unix GNUMACS GNU EMACS GORP Good Old Raisins and Peanuts GOS Grade Of Service GOSIP Government Open Systems Interconnection Profile GOSMACS Gosling EMACS GOVT Government GP Gas Plasma GP General Purpose GP Graphics Processor GP Group Processor GPC General Purpose Computer GPCI Graphics Processor Command Interface GPD Gas Plasma Display GPD Graphics Products Division GPF General Protection Fault GPI Graphics Programming Interface GPIB General-Purpose Interface Bus GPL GNU Public License GPL General Public License GPL Graphics Programming Language GPN Government Packet Network GPO Government Printing Office GPPC General Purpose Power Controller GPS General Problem Solver GPS Global Positioning System GPSI Graphics Processor Software Interface GPSS General Purpose System Simulator GPSS General Purpose Systems Simulation GPX Graphics Processor Accelerator GQ Generation Qualifier GR Graphical Representation GRA GRS Acknowledgement GRASS Geographical Resources Analysis Support System GRD GRounD GRDF GOSIP Register Data Base GRE Graphics Engine GREP Global Regular Expression Print GRIPS Government Raster Image Processing Software GROPE Graphical Representation Of Protocols in Estelle GRPMOD GRouP MODulator, "GRP MOD" GRS Circuit Group Reset GS Gray-Scale GS Group Separator GSA General Services Administration GSAT General telephone and electronics SATellite corporation GSB General Systems Business GSG Government Systems Group GSIM General Services Industry Marketing Group GSM Global System Mobile GSM Group Special Module GSM Groupe Speciale Mobile GSN Government Satellite Network GSS Generation Support Statements GSSP General Systems Security Principles GSTS Ground-based Surveillance and Tracking System GT Give Token GT Greater Than GT Group Technology GTA Give Token Acknowledgement GTA Government Telecommunications Agency GTC General Telephone Company GTC Give Token Confirm GTE General Telephone Electronics GTE General Telephone and Electric GTEI Global TEI GTN Government Telecommunications Network GTS Gamma Transfer Service GTSI Government Technology Services, Inc. GTT Global Title Transmission GUI Graphical User Interface GUIDE Graphical User Interface Design Editor GURPS Generic Universal Roleplaying Systems GUS Gravis UltraSound GUS Guide to the Use of Standards GVPN Global Virtual Private Network GW-BASIC Gee Whiz BASIC GWEN Ground Wave Emergency Network GWM Generic Window Manager GWS Graphics Work Station GWY Gateway H Hold state H- High- H/V Horizontal/Vertical H/W Hardware HA Home Automation HA Horn Alert HA Host Adapter HAC Hands-Free Add-On Circuit HACD Home Area Customer Dialing HAKMEM HAcKs MEMory HAL Hard Array Logic HAL Hardware Abstraction Layer HAL Heuristically programmed ALgorithmic computer HAL House Programmed Array Logic HAM Hold And Modify HAP Host Access Protocol HARM High-Availability, Reliability, and Maintainability HASP Houston Automated Spooling Program HASP Houston Automatic Spooling Priority HAT Hashed Address Table HAW HAWaii HBA Host Bus Adapter HBD Honeywell Brain Damage HCDS High Capacity Digital Service HCF Halt and Catch Fire HCIG Health Care Industry Group HCL Host Control Links HCR Hodge Computer Research, inc. HCSDS High-Capacity Satellite Digital Service HCTDS High-Capacity Terrestrial Digital Service HD Hard Disk HD High Density HD-WDM High Density-Wave Division Multiplexing HDA Hard Disk Assembly HDA Head Disk Assembly HDB3 High-Density Bipolar 3 HDBV Host DataBase View HDD Hard Disk Drive HDI Head to Disk Interference HDI Help Desk Institute HDLC High-level Data Link Control HDPT Hard Disk Parameter Table HDR Header HDSC High Density Signal Carrier HDTV High Definition TeleVision HDW Hardware HDX Half DupleX HEA Hyundai Electronics America HEC Human Engineering Computers HEHO High End Hop Off HEM High-level Entity Management HEMS High-level Entity Management System HEMT High Electron Mobility Transistor HEPNET High Energy Physics Network HERC Hercules HERO Hazards of Electromagnetic Radiation to Ordnance HEX Hexadecimal HF Hands Free HF Hawthorne Farms HF High Frequency HFE Human Factors Engineering HFR Hardware Failure Rate HFS Hierarchical File System HGA Hercules Graphics Adapter HGA High Gain Antenna HGCP Hercules Graphics Card Plus HH Half Height HH Hour HI High Impedance HI Highway Interrupt HIC Hybrid Integrated Circuit HIFO Highest-In, First-Out HIIPS Hud Integrated Information Processing Services HIL Human Interface Link HIPPI High Performance Parallel Interface HIRES HI-RESolution HIS Honeywell Information System HITS Human Intelligence Tasking System HJK Honk knog-Japan-Korea HLCO High Low Close Open HLDLC High Level Data Link Control HLHSR Hidden Line & Hidden Surface Removal HLI High-speed LAN Interconnect HLL High-Level Language HLLAPI High Level Language Application Programming Interface HLQ High Level Qualifier HLS Hue Lightness Saturation HLT Halt HM High-resolution Monochrome HMA High Memory Area HMA Hub Management Architecture HMI Hub Management Interface HMI Human-Machine Interface HML Human-Machine Language HMOS High Density Metal Oxide Semiconductor HMOS High Speed Metal Oxide Semiconductor HMOS High performance Metal Oxide Semiconductor HMP Host Monitoring Protocol HNPA Home Numbering Plan Area HNS Hospitality Network Service HOB Hierarchical Operational Binding HOBBIT High Order BIT HOBIC HOtel Billing Information Center HOBIS HOtel Billing Information System HOS High-Order System HP Hewlett-Packard HPAD Host-Packet Assembler/Disassembler HPC High-Performance Computing HPCC High-Performance Computing and Communications HPD High Performance Division HPFS High Performance File System HPG Hewlett-Packard Graphics HPGL Hewlett-Packard Graphics Language HPI Hahn Popularity Index HPIB Hewlett-Packard Interface Bus HPL/T High-Productivity Languages/Tools HPO High Performance Option HPPA HP Precision Architecture HPPA