| Nom | Description |
| A&SG | Accessories and Supplies Group |
| A+ | A plus tard |
| A/C |
| Air Conditioning |
| Aircraft |
| Alternating Current |
| A/D | Analog to Digital |
| A/MS | Analog/Mixed Signal ( design ) |
| A/N | Alphanumeric |
| A/O | Answer/Originate |
| A/P |
| Accounts Payable |
| Attached Processor |
| A/R | Accounts Receivable |
| A/T QRE | Assembly/Test Quality and Reliability Engineering |
| A2LA | American Association for Laboratory Accreditation |
| A | Ampere ( electrical current ) |
| AA |
| (modem) Auto Answer |
| Active Addressing ( LCD ) |
| Application Association |
| Auto Answer |
| Automatic Adjust |
| AAA |
| Aces of ANSI Art |
| Anti Aircraft Artillery |
| AAAAA | American Association Against Acronym Abuse |
| AAAI | American Association for Artificial Intelligence |
| AAAS | American Association for the Advancement of Science |
| AAB | All to All Broadcast |
| AAC | Authorization and Access Control |
| AACC | American Automatic Control Council |
| AACT | Alliance Against CD ROM Theft |
| AAD | Authorized AutoCAD Dealer |
| AADN | American Association of DOMAIN Names |
| AAF | Advanced Authoring Format |
| AAFES | Army and Air Force Exchange Service |
| AAGR | Average Annual Growth Rate |
| AAI | Association for Artificial Intelligence |
| AAIC | Active Addressing Integrated Circuit |
| AAIM | Association for Applied Interactive Multimedia org. |
| AAIS | Allied command europe ACCIS Implementation Strategy ACCIS, NATO, mil. |
| AAITP | Amdahl Australian Intelligent Tools Program |
| AAL |
| ATM Adaptation Layer |
| ATM Adaptation Layer (protocol 1, 2, 3, 4, 5) |
| Asynchronous Transfer Mode Adaption Layer |
| AAM |
| Air to Air Missile |
| Automatic Acoustic Management |
| AAMSI | American Association for Medical Systems and Informatics |
| AAMVANET | American Association of Motor Vehicle Administrators Network |
| AAO | Apprentissage Assisté par Ordinateur |
| AAP |
| Applications Access Point |
| Association of American Publishers |
| Attached Array Processor |
| Authorized Assembler Program ( IBM ) |
| AAR |
| Air to Air Refueling |
| Automatic Alternate Routing |
| AARNET | Australian Academic Research Network |
| AARP |
| AppleTalk ARP |
| Appletalk Address Resolution Protocol |
| AAS |
| Advanced Administrative System |
| All to All Scatter |
| AASP | ASCII Asynchronous Support Package |
| AAT | Average Access Time |
| AATP | Authorized Academic Training Program |
| AAUI | Apple Attachment Unit Interface |
| AAVP | Advanced Aircrew Vision Protection |
| AAX | Automated Attendant eXchange |
| AB2 | Anarchy Burger |
| AB | ABort session |
| ABA |
| Address Book Archive "file name extension" "Palm" |
| American Bankers Association |
| ABAP4 | Advanced Business Application Programming/4 "SAP, R/3, 4GL", "ABAP/4" |
| ABATS | Automatic Bit Access Test System |
| ABB | Asea Brown Boveri |
| ABBA | Anti-Big Brother Association (usually as aBBa) |
| ABBS | Apple Bulletin Board System |
| ABC |
| ADPCM Baseband Controller ( DECT ) |
| Activity Based Costing |
| Atanasoff Berry Computer |
| Atanasoff-Berry Computer |
| ABCD | Altavista Business Card Directory |
| ABDR | Aircraft Battle Damage Repair |
| ABEL | Advanced Boolean Expression Language |
| ABEND | Abnormal End of task |
| ABEX | America Online Business Exchange |
| ABF | Adaptive Beam Forming ( filter ) |
| ABHC | Average Busy Hour Calls |
| ABI | Application Binary Interface |
| ABIL | Advanced Bus Interface Logic |
| ABIOS | Advanced Basic Input Output System |
| ABIST | Automatic Built In Self Test |
| ABK | Anzeige BedienKomponente ( SPS ) |
| ABL | Airborne Laser |
| ABLE |
| ACE Airborne Laser Extended Atmospheric Characterization Experiment |
| Adaptive Battery Life Extender |
| ABLEX | Airborne Laser Experiment |
| ABM |
| ATM Buffer Manager |
| Advanced Batterie Management |
| Asynchronous Balanced Mode |
| Automated Banking Machines |
| ABME | Asynchronous Balanced Mode Extended |
| ABO | Annular Beam Oscillator |
| ABP |
| Actual Block Processor |
| Alternate BiPolar |
| ABR |
| Aero Ballistic Rocket |
| Available Bit Rate |
| Available Bit Rate ( ATM ) |
| ABRS | Automated Book Request System |
| ABS |
| Absolute |
| Address Book Synchronization |
| Alternative Billing Service |
| Analog Behavorial Model |
| Anti lock Braking System |
| Apple Business Systems |
| ABSBH | Average Busy Season Busy Hour |
| ABT |
| ABort Timer |
| Abort |
| Advanced BiCMOS Technology |
| Answer Back Tone |
| ABTS | ASCII Block Terminal Services |
| ABU | Application Business Unit |
| ABUI | Association of Banyan Users International |
| ABVS | Audit Bureau of Verification Services |
| AC/DC | Alternating Current Direct Current |
| AC3 | [digital] Audio Compression 3 Dolby, DVD, digital audio, "AC 3" |
| AC |
| Access Control |
| Acoustic Coupler |
| Advanced CMOS ( circuit ) |
| Air Conditioning |
| Alignment Check |
| Alternating Current |
| Analog Computer |
| Ante Christum |
| Application Context |
| Area Code |
| Association Control |
| Audio Capture |
| Autocheck |
| Automatic Computer |
| ACA |
| American Cryptogram Association |
| Asynchronous Communications Adapter |
| Automatic Circuit Assurance |
| ACAP | Application Configuration Access Protocol |
| ACAS | Application Control Architecture Services |
| ACATS | Advisory Committee on Advanced Television Service ( standard ) |
| ACB |
| Access Control Block |
| Adapter Control Block |
| Annoyance Call Bureau |
| Application Control Block |
| Association of Competent Bodies ( EMC directive ) |
| Automatic Call-Back |
| ACBH | Average Consistent Busy Hour |
| ACC |
| Accumulator |
| Advanced Chip Carrier |
| Air Combat Command |
| American Control Conference |
| Application Control Code |
| Area Communication Controller |
| Atari Competence Center |
| Audio Communications Controller |
| ACCA | Asynchronous Communications Control Attachment |
| ACCE | Award for Call Center Excellence |
| ACCINTNET | ACC Intelligence Network |
| ACCIS | Automated Command and Control Information System mil., USA |
| ACCM | Asynchronous Character Control Map |
| ACCMAIL | Accessing the Internet Via Email |
| ACCS |
| Army Command and Control System mil., USA |
| Automated Calling Card Service |
| ACCU | Association of C and C++ Users |
| ACD |
| Access Control Definition |
| Adaptive Call Distributor / Automatic Call Distributor |
| Advanced Communication Devices ( Fremont CA ) |
| Automated Call Distribution |
| Automatic Call Distribution |
| ACDA | Automatic Call Disposition Analyzer |
| ACDC | Alternating Current/Direct Current, "AC/DC" |
| ACDF | Access Control Decision Function |
| ACDI |
| Asynchronous Communication Device Interface |
| Asynchronous Communications Device Interface |
| ACE |
| ATM Crossbar Element |
| Absolute Contacting Encoder |
| Access Control Encryption/Entry |
| Adobe Certified Expert |
| Advanced Communication Engine |
| Advanced Computing Environment |
| Adverse Channel Enhancement |
| Adverse Channel Enhancements |
| American Council on Education |
| Analog Circuit Engine |
| Asynchronous Communication Element |
| Automated Computing Engine |
| Automatic Calling Equipment |
| Automatic Computing Engine |
| ACEF | Access Control Enforcement Function |
| ACELP | Adaptive Code Excited Linear Prediction |
| ACESA | Australian Commonwealth Engineering Standards Association |
| ACET |
| Advisory Commitee on Electronics and Telecommunication |
| Advisory Committee on Electronics and Telecommunications |
| ACF/NCP | Advanced Communications Function / Network Control Program |
| ACF/TCAM | Advanced Communications Function / TeleCommunications Access Method |
| ACF/VTAM | Advanced Communications Function / Virtual Telecommunications Access Method |
| ACF/VTAME | Advanced Communications Function / Virtual Telecommunications Access Method Entry |
| ACF |
| Access Control Field |
| Access Control File |
| Adapter Configuration File |
| Advanced Communications Function |
| Anisotropic Conductive Film |
| Apple Communications Framework |
| Auto Correlation Function |
| ACFC | Address and Control Field Compression |
| ACFNCP | Advanced Communication Function / Network Control Program "IBM, ACF", "ACF/NCP" |
| ACFTCAM | Advanced Communication Function / Telecommunications Access Method "IBM,ACF", "ACF/TCAM" |
| ACFVTAM | Advanced Communication Function / Virtual Telecommunications Access Method"IBM, ACF", "ACF/VTAM" |
| ACGNJ | Amateur Computer Group of New Jersey |
| ACH |
| Association for Computers and the Humanities |
| Attempt per Circuit per Hour |
| Automated Clearing House |
| ACI |
| Access Control Information |
| Automatic Calibration Interface ( ASAM ) |
| Automatic Channel Installation ( TV ) |
| ACIA |
| Associacio Catalana d'Intelligencia Artificial |
| Asynchronous Communications Interface Adapter |
| ACIAS | Automated Calibration Interval Analysis System |
| ACID |
| ANSI Creators in Demand (usually ACiD) |
| Atomic/Consistent/Isolated/Durable (test) |
| Atomicity Consistency Isolation Durability |
| Atomicity Consistency Isolation Durability |
| ACIS | American Commitee for Interoperable Systems |
| ACK |
| ACKnowledge (ASCII) |
| Acknowledge |
| Acknowledge ( ASCII control code ) |
| Acknowledgment |
| ACL |
| Access Control List |
| Advanced CMOS Logic |
| Agent Control Language |
| Application Configuration Language |
| Application Control Language |
| Association for Computational Linguistics |
| Asynchronous Connection Less |
| [MS] Access Compatibility Layer |
| ACLF | Access Control List Facility |
| ACM/SIGDA | Association for Computing Machinery/Special Interest Group on Design Automation |
| ACM |
| Address Code Multiplex |
| Address Complete Message |
| Advanced Computer Modeling |
| Air Combat Maneuvering |
| Association for Computing Machinery |
| Audio Compression Manager |
| ACME |
| A Company that Makes Everything slang |
| Application Creation Made Easy |
| ACMS | Application Control Management System |
| ACN | Area Code Number |
| ACO | AMP Communications Outlet |
| ACOF | Attendant Control Of Facilities |
| ACOPS | Automatic CPU Overheating Prevention System "GigaByte", "A COPS" |
| ACOS | Advisory Committee on Safety |
| ACOT | Apple Classrooms Of Tomorrow |
| ACP |
| Access Control Points |
| Action Point |
| Active Configuration Profile |
| Adjacent Channel Power |
| Advanced Communication Processor |
| Allied Communications Publication |
| Ancillary Control Program |
| Auxillary Control Process |
| ACPA | Audio Capture and Playback Adapter |
| ACPC | Apple Communications Protocol Card |
| ACPI | Advanced Configuration and Power Interface |
| ACPM | Association Control Protocol Machine |
| ACPR | Adjacent Channel Power Ratio ( measurement ) |
| ACPT | Automated Corporate Planning Tool |
| ACR |
| Abandon Call and Retry |
| Advanced Capabilities Radar |
| Allowed Cell Rate |
| Allowed Cell Rate ( ATM ) |
| Attenuation to Crosstalk Radio cable |
| Attenuation to Crosstalk Ratio |
| Audio Cassette Recorder |
| Automatic Call Recording |
| ACRE | APAR Control Remote Entry |
| ACRONYM | Abbreviated Coded Rendition Of Name Yielding Meaning |
| ACROSS | Automated Cargo Release and Operations Service System |
| ACS |
| Access |
| Access Control Set |
| Access Control Store |
| Access Control System |
| Advanced Communications System |
| Advanced Computer System |
| Aerospace Medicine Consultation Service |
| Anti Curl System |
| Application Control Services |
| Architekten, Computer, Systeme fair |
| Asynchronous Communication Server |
| Asynchronous Communications Server |
| Australian Computer Science |
| ACSE | Association Control Service Element |
| ACSI | Advanced/Atari Computer System Interface |
| ACSL | Association Control Service eLement |
| ACSMIB | ATM Circuit Steering Management Information Base "ATM, MIB", "ACS MIB" |
| ACSNET |
| Academic Computing Services NETwork |
| Australian Computer Science Network |
| ACSR | Algebra of Communicating Shared Resources |
| ACSS |
| Audio Cascading Style Sheets |
| Aural Cascading Style Sheets |
| ACSU | Advanced (T-1) Channel Service Unit |
| ACT |
| Abend Control Table |
| Application Center for Technology |
| Architecture Characterization Template |
| ACTA | America's Carriers Telecommunications Association |
| ACTAS | Alliance of Computer-based Telephony Application Suppliers |
| ACTD | Advanced Concept Technology Demonstration |
| ACTGA | Attendant Control of Trunk Group Access |
| ACTIVE | Advanced Controls Technology for Integrated Vehicles |
| ACTLU | ACTivate Logical Unit |
| ACTPU | ACTivate Physical Unit |
| ACTS |
| Advanced Communication Technologies and Services |
| Automated Coin Toll Service |
| Automated Computer Time Service |
| Automatic Coin Telephone Service |
| Automatic Coin Telephone System |
| ACTT | Advanced Communication and Timekeeping Technology |
| ACU |
| Address Control Unit |
| Alarm Control Unit |
| Automatic Calling Unit |
| Automatic Client Update |
| ACUTA |
| Association of College and University Telecommunication Administratorsorg., USA |
| Association of College and University Telecommunications Administrators |
| ACV | Address Control Vector |
| ACVC |
| Ada Compiler Validation Capability |
| Ada Compiler Validation Capacity |
| AD |
| Activity Discard |
| Administrative Domain |
| Analog Devices |
| Authorized Dealers |
| Authorized Distributor |
| Autonomous DOMAIN |
| ADA |
| Activity Discard Acknowledgment |
| Automatic Data Acquisition (programming language) |
| Automatic Data Acquisitions |
| Autonomous Data Acquisition |
| Language |
| ADABAS | Adaptable Database System |
| ADAC | Automated Direct Analog Computer |
| ADAM |
| Advanced Data Management |
| Affordable Desktop Application Manager |
| ADAPSO |
| Association of Data Processing Service Organisation |
| Association of Data Processing Service Organizations |
| ADAPT | Architecture Design Analysis and Planning Tool |
| ADAS | Advanced Directory Assistance System |
| ADATP | Allied DATa processing Publication mil., USA |
| ADB |
| A Debugger |
| AppWare Distributed Bus architecture |
| Apple Desktop Bus |
| ADBS | Advanced Data Broadcasting System |
| ADC |
| Adaptive Data Compression |
| Add with Carry |
| Analog to Digital Converter |
| Analog-to-Digital Converter |
| Analysis Date Concentrator |
| Apple Distribution Center |
| Automated Data Collection |
| Automatic Data Capture |
| ADCCP | Advanced Data Communications Control Procedure |
| ADCI | Automatic Display Call Indicator |
| ADCP | Avesta Device Control Protocol |
| ADCU | Association of Data Communications Users |
| ADD |
| Adapter Device Driver |
| Authorized Digital Dealers |
| Automatic Document Detection |
| ADDDS | Automatic Direct Distance Dialing System |
| ADDMD |
| Administration Directory Management Domain |
| Administrative Directory Management Domain |
| ADE |
| Adaptable Development Environment |
| Application Development Environment |
| Audible Doppler Enhancer |
| Automated"ic" |
| Automatic Drafting Equipment |
| ADEPT | Administrative Data Entry for Processing Transmission mil., USA |
| ADER | ATM Development Experimentation and Research |
| ADES | Automatic Digital Encoding System |
| ADEV | AppleTalk Device |
| ADEW | Andrew Development Environment Workbench |
| ADF |
| Access control Decision Function |
| Access control Decision Function mil., USA |
| Adapter Description File "file name extension" |
| Application Development Facility |
| Automatic Direction Finder |
| Automatic Document Feeder |
| Automatically Defined Function |
| ADFC | Allgemeiner Deutscher Fahrrad Club |
| ADG |
| Authorized Distributor Group |
| Automatic Datasheet Generation |
| ADI |
| AUTODIN DISN Interface |
| AUTODIN to DISN Interface AUTODIN, DISN, mil., USA |
| Access control Decision Information |
| American Documentation Institute |
| Application DIrectory |
| AutoCad/AutoDesk Device Interface |
| Autocad Device Interface |
| Autodesk Device Interface |
| ADIC | Analog to Digital Conversion |
| ADL |
| Address Data Latch |
| Adventure Description Language |
| Application Development Language |
| [international conference on the] Advances in Digital Libraries |
| ADLAT | Adaptive Lattice Filter |
| ADLC |
| Adaptive Lossless Data Compression |
| Asynchronous Data Link Control |
| ADLP | Airborne Data Link Processor |
| ADLT | Assertion Definition Language Translator (toolset) |
| ADM |
| Adaptive Delta Modulation |
| Add Drop Multiplexer |
| Add-Drop MultiPlex |
| Administration |
| Advanced Development Model |
| Application Development Module |
| ADMA | Area Division Multiple Access |
| ADMACS | Apple Document Management And Conrol System |
| ADMD |
| Administration Management Domain |
| Administrative Management Domain |
| ADMS | Access Device Messaging Specification banking, Visa |
| ADN |
| Abbreviated Dialing Number |
| Add In Utility "file name extension" "Lotus 1 2 3" "LDC" |
| Advanced Digital Network |
| Autodesk Developer Network |
| ADO |
| Active Data Objects |
| ActiveX Data Objects |
| ADONIS | AMOS Daytime Optical Near Infrared Imaging System |
| ADP |
| AOLserver Dynamic Pages |
| Active Distribution Panel |
| Administrative Data Processing |
| Advanced Data Processing |
| Automated Data Processing |
| Automatic Data Processing |
| ADPCM |
| Adaptive Delta Pulse Code Modulation |
| Adaptive Differential Pulse Code Modulation |
| ADPE | Automatic Data Processing Equipment |
| ADPLO | Automated Data Processing Liaison Office |
| ADPS |
| Application Development Project Support |
| Automatic Data Processing System |
| ADPT | Automated Data Processing/Telecommunications "ADP", "ADP/T" |
| ADR |
| ASTRA Digital Radio |
| Address |
| Alternative Dispute Resolution |
| Application Definition Record |
| Applied Data Research |
| ADS |
| Advanced Design System ( HP EEsof Westlake Village CA ) |
| Advanced Digital System |
| Advanced Digital Systems |
| Advanced Distributed Simulation |
| Application Development Solutions |
| Application Development System |
| Audio Distribution System |
| Auto Data Switch |
| Automatic Distribution System |
| Automatic Documenting System |
| Automatic Skip Driver |
| Auxilary Data System |
| Auxiliary Data System |
| ADSC |
| Address Status Changed |
| Adobe Document Structuring Conventions |
| ADSI |
| Active Directory Service Interface |
| Analog Display Service Interface |
| Analog Display Services Interface |
| ADSIA | Allied Data Systems Interoperability Agency |
| ADSL |
| Asymmetric Digital Subscriber Line |
| Asymmetric Digital Subscriber Line [technology] |
| Asymmetric Digital Subscriber Loop [modulation] |
| Asymmetrical Digital Subscriber Line |
| Asynchronous Digital Subscriber Line ( modem ) |
| ADSM | ADSTAR Distributed Storage Manager |
| ADSP |
| Advanced Digital Signal Processor |
| Appletalk Data Stream Protocol |
| ADSR | Attack, Decay, Sustain, Release [generator] |
| ADSU | ATM Data Service Unit |
| ADT |
| Abstract Data Type |
| Abstract Data Typing |
| Access Developer's Toolkit |
| Active Denial Technology |
| Active Disk Table |
| Application Data Type |
| Application Dedicated Terminal |
| Application Design Tool |
| Application Development Tools |
| ADTA | Analog Design and Test Automation |
| ADTS | Automated Digital Terminal System |
| ADU |
| Analog Digital Umsetzer ( ADC ) |
| Application Definition Utility |
| Automatic Dialing Unit |
| Automatic Duplexing Unit |
| ADUA | Administrative Directory User Agent |
| ADVFS | Advanced File System (usually as AdvFS) |
| ADX | Automatic Data eXchange |
| AE |
| ASCII Express |
| Above or Equal |
| Activity End |
| Apple Events |
| Application Engineer |
| Application Entity |
| Application Entity / Environment / Execution / Engineering |
| AEA |
| Activity Entity Acknowledgment |
| American Electronic Association ( Washington DC ) |
| American Electronics Association |
| American Engineering Association ( Fort Worth TX ) |
| American Entrepreneurs Association |
| AEB | Analog Expansion Bus |
| AEC |
| Acoustic Echo Cancellation |
| Adaptive Echo Cancellation |
| Advanced Error Correction |
| Architecture Engineering Construction |
| AEDC | Arnold Engineering Development Center |
| AEEC | Airlines Electronic Engineering Committee |
| AEF |
| Access control Enforcement Function |
| Aerospace Engineering Facility |
| AEG | Allgemeine Electricitäts Gesellschaft ( Berlin, Germany ) |
| AEGIS |
| AIDS Education and General Information Service |
| Advanced Electronic Guidance and Instrumentation System |
| AEI |
| Application Enabling Interface |
| Automatic Equipment Identification |
| AEIMP | Apple Event Interprocess Messaging Protocol |
| AEM | Automatic Emulation Management |
| AEN | Address Enable |
| AEOM | Apple Events Object Model |
| AEOS | Advanced Electro Optical System |
| AEP |
| AppleTalk Echo Protocol |
| Application Environment Profile |
| AERO | Aviation Industry "Domain Name" "Internet" |
| AES |
| Advanced Encryption Standard |
| Application Environment Service / Specification |
| Automatic Electronic Shutter |
| Automatic Emulation Switching |
| AESA | ATM End System Address |
| AESEBU | Auto Engineering Society/European Broadcasting Union digital audio,"AES/EBU" |
| AESOP | Application Engineering Support through Online Productivity ( BBS ) |
| AET | Application Entity Title |
| AETC | Air Education and Training Command |
| AETE | Apple Event Terminology Extension |
| AEUT | Apple Event User Terminology |
| AF |
| Address Field |
| Audio Frequency |
| Auxiliary (carry) Flag |
| Auxiliary carry Flag |
| AFA | Accelerated File Access |
| AFACTS | Automatic Facilities Test System |
| AFADS | Automatic Force Adjustment Data System |
| AFAE | Air Force Acquisition Executive |
| AFAI | Association Française de l'Audit et du conseil Informatique |
| AFAIC |
| As Far As I'm Concerned |
| As Far As I'm Concerned slang, Usenet, IRC |
| AFAIK |
| As Far As I Know |
| As Far As I Know ( net slang ) |
| As Far As I Know slang, Usenet, IRC |
| AFAMPE |
| Air Force Automated Message Processing Exchange |
| [u.s.] Air Force Automated Message Processing Exchange |
| AFAS | Association Française des Auteurs de Shareware |
| AFAYC | As Far As You're Concerned |
| AFC |
| Alkaline Fuel Cell |
| Antiferro Magnetically Coupled |
| Automatic Font Change |
| Automatic Frequency Control |
| AFCAC | Air Force Computer Acquisition Center |
| AFCEE |
| Air Force Center for Environmental Excellence |
| Association Française pour les Echanges et le Commmerce Electronique |
| AFCET | Association Française pour la Cybernétique Economique et Technique |
| AFCOM | Association For Computer Operations Managers |
| AFCP | Avesta Flow Control Protocol |
| AFCS | Automatic Flight Control System |
| AFD | Automatic File Distribution |
| AFDC | Aid to Families with Dependent Children |
| AFDDN | Air Force Defense Data Network |
| AFDW | Active Framework for Data Warehousing |
| AFE |
| Analog Front End |
| Apple File Exchange |
| AFEB | AFrican EDIFACT Board |
| AFEC | Analog Front End Circuit |
| AFEWES | Air Force Electronic Warfare Effectiveness Simulator |
| AFF | Automatic Track Following |
| AFGIHS | Air Force Geographic Information Handling System |
| AFI |
| Advanced Fulfillment Initiative ( IBM ) |
| AppleTalk Filing Interface |
| Authority Frame Identifier |
| Authority and Format Identifier |
| Authority and Format Indicator |
| AFIC | Analog Front end Integrated Circuit |
| AFII | Association for Font Information Interchange |
| AFIN |
| Air Force Information Network |
| Air Force Information Network Netzwerk, USA, mil. |
| AFIP | American Federation for Information Processing |
| AFIPS |
| American Federation for Information Processing Societies |
| American Federation of Information Processing Societies |
| AFIRM |
| Automated Fingerprint Image Reporting and Match |
| Automated Fingerprint Image Reporting and Match (system) |
| AFIS | Automated Fingerprint Identification System |
| AFIT | Air Force Institute of Technology |
| AFJ | April Fool's Joke |
| AFK |
| Away From Keyboard |
| Away From the Keyboard |
| Away from Keyboard slang, Usenet, IRC |
| AFL | Abstract Family of Language |
| AFM |
| Adobe Font Metrics "file name extension" "Adobe Systems" |
| Atomic Force Microscope |
| Automatic File Migration |
| AFMC | Air Force Materiel Command |
| AFMSS | Air Force Mission Support System |
| AFNET | Air Force Network Netzwerk, USA, mil. |
| AFNIC | Association Française pour le Nommage Internet en Coopération |
| AFNOR |
| Association Francaise de Normalisation |
| Association Française de Normalisation |
| AFOSR | Air Force Office of Scientific Research |
| AFOTEC | Air Force Operational Test and Evaluation Center |
| AFP |
| Advanced Function Presentation |
| Advanced Function Printing |
| Appletalk Filing Protocol |
| Automatic Floating Point |
| AFPA |
| Advanced Function Printing Architecture |
| American Forest and Paper Association |
| AFPDS | Advanced Function Printing Data Stream |
| AFPI | Association Française des Professionnels de l'Internet |
| AFR |
| Application Function Routine |
| Automatic Fingerprint Recognition |
| AFRES | Air Force Reserves |
| AFRL | Air Force Research Laboratory |
| AFRP | ARCNET Fragmentation Protocol |
| AFS | Andrew File System |
| AFSAA | Air Force Studies and Analysis Agency |
| AFSFC | Air Force Space Forcasting Center |
| AFSK | Audio Frequency Shift Keying / Automatic Frequency Shift Keying |
| AFSOC | Air Force Special Operations Command |
| AFSPC | Air Force Space Command |
| AFT |
| Active File Table |
| Application File Transfer |
| Authenticated Firewall Traversal |
| AFTAC | Air Force Technical Applications Center |
| AFTP |
| Advanced/Anonymous File Transfer Protocol |
| Anonymous File Transfer Protocol |
| AFUL | Association Française des Utilisateurs de Linux |
| AFUND | Association Française des Utilisateurs de Notes / Domino |
| AFUU | Association Française des Utilisateurs d'Unix |
| AFV | Alterante Fuel Vehicle |
| AG/EEE | Above Ground Electronic Equipment Enclosures |
| AG | Application Generator |
| AGA | Advanced Graphics Adapter |
| AGARD | Advisory Group for Aerospace Research and Development |
| AGBH | Average Group Busy Hour |
| AGC | Automatic Gain Control |
| AGCH | Access Grant CHannel |
| AGE | Aerospace Ground Equipment |
| AGEEE | Above Ground Electronic Equipment Enclosures |
| AGL |
| Above Ground Level |
| Air to Ground Laser |
| Atelier de Génie Logiciel |
| AGLOO | Atelier de Génie Logiciel Orienté Objet |
| AGLV | ArbeitsGemeinschaft Lampen Verwertung |
| AGM | Air to Ground Missile |
| AGND | Analog Ground |
| AGNIC | Agriculture Network Information Center |
| AGP |
| Accelerated Graphics Port |
| Advanced / Accelerated Graphics Port |
| Advanced Graphics Port |
| AGRAS | Antiglare Antireflective Antistatic |
| AGRF | Advanced Guidance Research Facility |
| AGS | Asynchronous Gateway Server |
| AGT | AUTODIN Gateway Terminal |
| AGU | Address Generation Unit |
| AGV | Automatic Guided Vehicle |
| AH |
| Authentication Header |
| [IP] Authentication Header |
| AHB | Advanced High performance Bus |
| AHBF | Average Hours Before Failure |
| AHC | Advanced High speed CMOS |
| AHDL |
| Altera Hardware Description Language |
| Analog Hardware Description Language |
| Analog Hardware Descriptive Language |
| AHIMA | American Health Information Management Association |
| AHP | Analytical Hierachy Process |
| AHPCRC | Army High Performance Computing Research Center |
| AHPL | A Hardware Programming Language |
| AHS | Automated Highway Systems |
| AHT | Average Holding Times |
| AI |
| Adobe Illustrator |
| Analog Input |
| Artificial Intelligence |
| Authentication Information |
| AIA |
| Aerospace Industries Association |
| Air Intelligence Agency |
| Application Integration Architecture |
| Applications Integration Architecture |
| AIAG | Automotive Industry Action Group |
| AIC |
| AIX windows Interface Composer |
| Analog In Circuit ( test ) |
| Analog Interface Circuit |
| Automatic Intercept Center |
| [SRI] Artificial Intelligence Center |
| AICC | Automatic Intercept Communications Controller |
| AICPA | American Institute of Certified Public Accountants |
| AID |
| AUTODIN Interface Device |
| AUTODIN Interface Device AUTODIN, mil., USA |
| Attention Identifier |
| AIDA | Aerosols, Interactions and Dynamics in the Atmosphere ( Forschungszentrum Karlsruhe Germany ) |
| AIDAT | African Internet Development Action Team |
| AIDC | Automatic Identification and Data Capture |
| AIDS |
| Apple Infected Disk Syndrome |
| Automatic Installation and Diagnostic Service |
| AIF | Audio Interchange Format |
| AIFF | Audio Interchange File Format |
| AIG | Address Indicator Group |
| AII | Active Input Interface |
| AIIM | Association for Information and Image Management |
| AIM |
| AOL Instant Messenger |
| ATM / Ascend Inverse Multiplexing [protocol] |
| ATM Inverse Multiplexer |
| Advanced Interconnect Modeling |
| Advanced Invar Mask |
| Advenced Intelligent Modem |
| Air Intercept Missile |
| Alternate Input Method |
| Analog Intensity Modulation |
| Apple, IBM, Motorola [consortium] Apple, IBM, Motorola, org. |
| Application Interface Module |
| Association of Imaging Manufacturers org. |
| Asynchronous Interface Module |
| Attitude and Information Management ( subsystem, Pathfinder ) |
| Automatic Interface Management |
| Avalanche Induced Migration |
| AIME | Air Interface Monitor Emulation ( software ) |
| AIMS | Apple Internet Mail Server |
| AIMSRCF | Association of Imaging Manufacturers ??? /Shared Resource Control Facility"Fujitsu", "AIM/SRCF" |
| AIMSX | Advanced Information Management System |
| AIN |
| Advanced Intelligent Network |
| Auto Insert Notification |
| AIO | Asynchronous Input/Output |
| AIOD | Automatic Identification of Outward Dialing |
| AIP |
| ATM Interface Processor |
| Application Infrastruture Provider |
| Association of Internet Professionals |
| Average Instructions per Second |
| AIR |
| Additive Increase Rate |
| Apple Internet Router |
| Architecture Implementation Review |
| Automatic Image Refinement "Canon", "A.I.R." |
| AIRST | Advanced Infrared Search and Track |
| AIRTC | [international symposium on] Artificial Intelligence in Real Time ControlIFAC, IFIP, IMACS, conference |
| AIS-E | Alarm Indication Signal - External |
| AIS |
| Alarm Indication Signal |
| Alarm Indication Signal ( ATM ) |
| Alarm Indication Signal / Alarm Indication System |
| Applied Information Sciences manufacturer |
| Applied Information Systems manufacturer |
| Attribute Information Structure |
| Automated Identification System |
| Automated Information System |
| Automatic Intercept System |
| AISB | Association of Imaging Service Bureaus |
| AISE |
| Alarm Indication Signal External |
| Alarm Indication Signal External "UNI, ATM", "AIS E" |
| AISI | As I See It |
| AISIG | [south australian] Artificial Intelligence Special Interest Group |
| AISP |
| Association for Internet Service Providers |
| Association of Information Systems Professionals |
| AISSO | Automated Information Systems Security Officer mil., USA |
| AIST | Agency of Industrial Science and Technology |
| AIT |
| AUTODIN Interface Terminal |
| Active Imaging Testbed |
| Advanced Intelligent Tape |
| Advanced Intelligent Tape ( Sony ) |
| Automatic Identification Technology |
| AITEC | [research institute for] Advanced Information TEChnology |
| AITO | Association Internationale pour les Technologies Objets org. |
| AITRC | Applied Information Technologies Research Center |
| AIUG | Armenian Internet Users Group |
| AIW |
| APPN Implementers Workshop |
| Association Internationale des Webmasters |
| AIX | Advanced Interactive Executive |
| AIXESA | Advanced Interactive eXecutive/Enterprise Systems Architecture "IBM, AIX","AIX/ESA" |
| AJ |
| Anti Jam |
| Anti Jamming |
| AK |
| Acknowledge |
| Alaska |
| AKA | Also Known As |
| AKD | Any Key Down |
| AKF | AutoKorrelationsFunktion |
| AKM | Asahi Kasei Microsystems |
| AL |
| Account Librarian (MPE) |
| Address List |
| Alabama |
| América Latina |
| Application Layer |
| Arbitrated Loop |
| Armstrong Lab |
| Artificial Life |
| Assembly Language |
| ALAP |
| ARCTalk Link Access Protocol |
| AppleTalk LocalTalk Link Access Protocol |
| Appletalk Link Access Protocol |
| As Late As Possible slang, Usenet |
| ALARA | As Low As Reasonably Achievable ( radiation risk ) |
| ALARM | Air Launched Anti Radiation Missile |
| ALAT | Advanced Load Address Table |
| ALB |
| Advanced Low voltage BiCMOS |
| Analog LoopBack |
| ALBO | Automatic Line BuildOut |
| ALC |
| Adaption Layer Controller |
| Advanced Low voltage CMOS |
| Air Logistics Center |
| Arithmetic and Logic Circuits |
| Automatic Level Control |
| ALCM | Air Launched Cruise Missile |
| ALD | Automated Logic Diagram |
| ALDC | Adaptive Lossless Data Compression |
| ALDSSCS | All Defense Special Security Communications System |
| ALE |
| Address Latch Enable |
| Address Latch Enable ( µC signal ) |
| Address Lifetime Expectation |
| Application Link Enabling |
| Application Linking and Embedding |
| Atlanta Linux Enthusiasts Linux, user group |
| ALEP | Advanced Language Engineering Platform |
| ALERT | Advice and problem Location for European Road Traffic |
| ALF | Advanced Library Format |
| ALFE | Analog Line Front End |
| ALG | Autonomous Landing Guidance |
| ALGOL |
| ALGOrithmic Language |
| Algorithmic Oriented Language |
| Algorithmic computer Language |
| ALH | Advanced Liquid Hydrogen |
| ALI |
| Acer Laboratories Incorporated ( San Jose CA ) |
| Annual Limit on Intake [ the derived limit for the amount of radioactive material taken into the body of an adult by inhalation or ingestion in a year ] |
| Automatic Location Identification / Automatic Location Information |
| ALIBI | Adaptive Location of Internetworked Bases of Information |
| ALINK | Active Link |
| ALIS | Analog Line Interface Solution |
| ALIT | Automatic Line Insulation Testing |
| ALIWEB | Archie Like Indexing in the Web |
| ALK | Automatisierte LiegenschaftsKarte |
| ALL | Application Load List |
| ALLEGRO | Automatisation des Liaisons avec le Langage d'Echange Gencod par Réseau d'Ordinateurs |
| ALM |
| ATM Layer Manager |
| Application / Appware Loadable Module |
| Application Loadable Module / AppWare Loadable Module |
| Asychronous Line Module |
| Asynchronous Line Multiplexer |
| ALN |
| Adaptive Logic Network |
| Asynchronous Learning Network |
| ALO | At Least Once |
| ALOE | Apple Library for Object Embedding |
| ALOHA | Aboriginal Lands Of Hawaiian Ancestry ( movement ) |
| ALP |
| A La Prochaine |
| Abstract Local Primitive |
| ALPA | Association de Lutte contre la Piraterie Audiovisuelle |
| ALPS | Auto Laser Pulse Saving |
| ALR | Advanced Logic Research |
| ALRU | Automatic Line Record Update |
| ALS |
| Adjacent Link Station |
| Advanced Light Source |
| Advanced Low power Schottky ( logic ) |
| Application Layer Structure |
| Automated List Service |
| ALT. | Alternate lifestyle |
| ALT | Alternate |
| ALTEL | Association of Long distance TELephone companies |
| ALTERNIC | ALTERnative Network Information Center |
| ALTS | Association for Local Telecommunications Services |
| ALU |
| Application Layer User |
| Arithmetic Logic Unit |
| Arithmetic and Logic Unit |
| ALVC | Advanced Low Voltage CMOS |
| ALVCH | Advanced Low Voltage CMOS with bus Hold |
| AM/FM | Automated Mapping and Facilities Management |
| AM/PSK | Amplitude Modulation with Phase Shift Keying |
| AM0 | Air Mass 0 ( zero ) |
| AM |
| Accounting Management |
| Active Matrix |
| Active Matrix ( liquid crystal display ) |
| Active Monitor |
| Administrative Module |
| Amplitude Modulation |
| Ante Meridiem [ before noon ] |
| Asynchronous Mode |
| Attribute Mark |
| AMA |
| American Medical Association |
| Automatic Message Accounting |
| Automatic"ed" |
| AMACS |
| AMA Collection System |
| Automatic Message Accounting Collection System |
| AMANDDA | Automated Messaging and Directory Assistance |
| AMARC |
| AMA Recording Center |
| Automatic Message Accounting Recording Center |
| AMASE |
| AMA Standard Entry |
| Automatic Message Accounting Standard Entry |
| AMASS | Archival Management and Storage System |
| AMAST | Algebraic Methodology And Software Technology |
| AMAT |
| AMA Transmitter |
| Automatic Message Accounting Transmitter |
| AMATPS |
| AMA TeleProcessing System |
| Automatic Message Accounting TeleProcessing System |
| AMB | Active Metal Brazing |
| AMBA | Advanced Microcontroller Bus Architecture ( ARM ) |
| AMBE | Advanced Multi Band Excitation ( speech compression technique ) |
| AMC |
| Air Mobility Command |
| Area Management Center |
| Associative Memory Controller |
| Australian Maritime College |
| Automatic Message Counting |
| AMCAM | Addressing Mapping Content Addressable Memory |
| AMCC | Applied Micro Circuits Corporation ( San Diego CA ) |
| AMCD | Active Matrix Color Display |
| AMD |
| Active Matrix Display |
| Advanced Micro Devices |
| Advanced Micro Devices ( Inc. Sunnyvale CA ) |
| Advanced MicroDevices [inc.] manufacturer |
| Air Movement Device (aka Fan) |
| AMDRFM | Advanced Monolithic Digital Radio Frequency Memory |
| AME |
| Advanced Metal Evaporated [tape] |
| Advanced Metal Evaporative (media) |
| Advanced Modeling Extension |
| Asynchronous Modem Eliminator |
| AMECA | Automotive Manufacturers Equipment Compliance Agency |
| AMEL |
| Active Matrix Electro Luminescent |
| Active Matrix ElectroLuminsescent ( display ) |
| AMERITECH | American Information Technologies |
| AMF |
| Abbreviated Message Format |
| Account Metering Function |
| AMFABS | Advanced Maintenance Free Aircraft Battery System |
| AMG | Alternating Metal Ground ( architecture, Fairchild ) |
| AMH |
| Application Message Handling |
| Automated Material Handling |
| Automated Message Handler |
| AMHA | A Mon Humble Avis |
| AMHS | Automated Message Handling System |
| AMI |
| ATM Management Interface |
| Alternate Mark Inversion |
| American Megatrends Inc. |
| American Megatrends Incorporated |
| American Megatrends Incorporation |
| American Microsystems Incorporated ( Pocatello ID ) |
| Application Messaging Interface |
| AMIA | American Medical Informatics Association |
| AMIC | Apple Memory mapped I/O Controller |
| AMIGOS | Advanced Mobile Integration in General Operating Systems |
| AMII | Agile Manufacturing Information Infrastructure |
| AMIS |
| Atari Message and Information System |
| Audio Message Interchange Standard |
| Audio Message Interface Standard |
| Audio Messaging Interchange Standard |
| Automated Management Information System |
| AML | Atelier de Maintenance Logiciel |
| AMLCD | Active Matrix Liquid Crystal Display |
| AMM | Agent Management Module |
| AMMA | Advanced Memory Management Architecture |
| AMME | Automated Multi Media Exchange |
| AMMPEC | Advanced Materials and Manufacturing Processes for Economic Competitiveness ( organization New Mexico ) |
| AMN |
| Abstract Machine Notation |
| Artifical Mains Network |
| AMOS | Air Force Maui Optical Station |
| AMP |
| Active Monitor Present |
| Ampere |
| Attached Media Processor |
| AMPE | Automated Message Processing Exchange |
| AMPP | Altera's Megafunction Partners Program |
| AMPS |
| Abstract Meta-Physical Speculation |
| Advanced Mobile Phone Service |
| Automatic Minimization of Power through Sizing ( tool ) |
| AMPSS | Astec Modular Power Supply System |
| AMR |
| Audio Modem Riser |
| Audio/Modem Riser ( card specification, Intel ) |
| Automatic Message Routing |
| AMRAAM | Advanced Medium Range Air to Air Missile |
| AMRS | Alternative Map Register Sets |
| AMS |
| AUTODIN Mail Server |
| AUTODIN Mail Server AUTODIN, mil., USA |
| Access Method Services |
| Alarm Management System |
| American Mathematical Society |
| American Multisystems Inc. |
| Andrew Mail / Message System |
| Asymetric Multiprocessing System |
| Automated Management Station |
| AMSDOS | AMStrad Disk Operating System "Amstrad, OS", "AMS DOS" |
| AMSP | Association of Microsoft Solutions Providers |
| AMT |
| Active Matrix Technology |
| Address Mapping Table |
| Apple Media Tool |
| AMTF | Average Modulation Transfer Function |
| AMTFT | Active Matrix Thin Film Transistor |
| AMTPE | Apple Media Tool Programming Environment "Apple", "AMT PE" |
| AMTRI | Advanced Manufacturing Technology Research Institute |
| AMU | Atomic Mass Unit |
| AMVFT | Amplitude Modulation Voice Frequency Telegraph |
| AMVSB | Amplitude Modulation With Vestigial Side Band |
| AMWG | Architecture Methodology Working Group |
| AMWI | Active Message Waiting Indicator |
| AN |
| Access Node |
| Alternating Network |
| Associated Number |
| ANA |
| Article Numbering Association |
| Automatic Network Analyzer |
| Automatic Number Announcement |
| ANBH | Average Network Busy Hour |
| ANC | All Number Calling |
| ANCOVA | Analysis of Covariance |
| ANCS |
| AT&T NetWare Connect Services network |
| AT&T Netware Connect Services |
| AND | Automatic Network Dialing |
| ANDF |
| (OSI) Architecture-Neutral Distribution Format |
| Architecture Neutral Distributation Format |
| ANE | Anarchy 'N' Explosives |
| ANF | AppleTalk Networking Forum |
| ANFSCD |
| And Now For Something Completely Different |
| And Now For Something Completely Different slang, Usenet, IRC |
| ANG | Air National Guard |
| ANHR | Access Node Hub Router |
| ANI |
| Animated Cursor "file name extension" "Microsoft" |
| Anwendungszentrum Neuro Informatik ( e.V. Schwerin Germany ) |
| Automatic Number Identification |
| ANIF | Automatic Number Identification Failure |
| ANM | Advanced Network Management |
| ANMA | Apple Network Managers Association |
| ANMP | Advanced ??? Network Management Protocol |
| ANN |
| Annotations "file name extension" "IBM" |
| Artificial Neural Network |
| Auditing Network Needs |
| ANOVA | Analysis Of Variance |
| ANR | Access Node Router |
| ANRS | Automatic Noise Reduction System |
| ANS |
| Adaptive Noise Suppression |
| Advanced Network & Services |
| Advanced Network & Services Inc. |
| Advanced Network and Services |
| American National Standard |
| ANSA | Advanced Networked Systems Architecture |
| ANSC | American National Standards Committee |
| ANSI |
| American National Standard Institute |
| American National Standards Institute |
| ANSPAG | Advanced Network System Performance and Application Group |
| ANTC | Advanced Networking Test Center |
| ANTIOPE | Acquisition Numérique Télévisualisable d'Images Organisées en Pages d'Ecriture |
| ANTS | AT&T Novell Telephone Services "AT&T, Novell", "A/NTS" |
| ANUML | Australian National University Meta Language, "ANU ML" |
| ANUPA | Association Nationale des Utilisateurs des Produits Autodesk |
| ANX | Automotive Network Exchange |
| AO/DI | Always On/Dynamic ISDN |
| AO |
| Active Open |
| Analog Output |
| Automated Office |
| Automated Operator |
| AOA |
| American Optometric Association |
| Analysis of Alternatives (formerly: COEA) |
| Angle of Attack |
| AOARD | Asian Office of Aerospace Research and Development |
| AOCE |
| Apple Open Collaboration Environment |
| Apple Open Collaborative Environment |
| AOD | Audio On Demand |
| AOE | Application Operating Environment |
| AOI |
| Active Output Interface |
| Automated Operator Interface |
| Automated Optical Inspection |
| AOIB | All Optical Imaging Brassboard |
| AOL |
| America On Line |
| America OnLine network |
| America Online |
| AOM | Application OSI Management |
| AOO | Approche Orientée Objet |
| AOP | Association of Online Professionals |
| AOQ | Average Outgoing Quality |
| AOQL | Average Outgoing Quality Limit |
| AOR | Application Owning Region |
| AOS |
| Add Or Subtract |
| Advanced Operating System |
| Algebraic Operating System |
| Alternate Operator Service |
| Alternate Option Selection |
| AOSIP | Airline Open Systems Interconnection Profile |
| AOSS | Auxiliary Operator Service System |
| AOTC | Australian Overseas Telecommunications Corporation |
| AOTD | Art Of Technology Digest (magazine) |
| AOTF | Acousto Optic Tunable Filter ( dynamic spectral filter ) |
| AOU | Arithmetic Output Unit |
| AOW | Asia and Oceania Workshop |
| AOWS | Asia Oceanic WorkShop |
| AP |
| Access Point |
| Adjunct Processor |
| Advanced Pick |
| Application Process |
| Application Processor |
| Application Profile |
| Applications Processor |
| Attached Processor |
| Automatic Pagination |
| APA |
| Adaptive Packet Assembly |
| All Points Addressable |
| Arithmetic Processing Accelerator |
| APAR | Authorized Program Analysis Report |
| APAREN | Address Parity Enable |
| APB-1 | Analytical Processing Benchmark 1 |
| APB |
| Advanced PCI Bridge |
| Advanced Peripheral Bus |
| Analytical Processing Benchmark (usually as APB-1) |
| APC |
| AMARC Protocol Converter |
| Adaptive Predictive Coding |
| Advanced Power Control |
| American Power Conversion |
| American Power Conversion manufacturer, UPS |
| ArbeitsPlatz Computer |
| Association for Progressive Communications |
| Asynchronous Procedure Call |
| APCC | American Public Communications Council |
| APCI | Application - layer Protocol Control Information |
| APCO | Association of Public safety Communication Officials |
| APCT | AUTODIN PC Terminal |
| APCUG |
| Association of PC User Groups |
| Association of Personal Computer User Groups org. |
| APD |
| Additional Product Documentation |
| Aldus Printer Description |
| Apprentissage Par Didacticiel |
| Avalanche PhotoDiode |
| APDA | Apple Programmers and Developers Association |
| APDU |
| Application Protocol Data Unit |
| Application Protocol Data Units |
| APE | APplication Engineering |
| APEC | Applied Power Electronics Conference |
| APEL | A Portable EMACS Library |
| APEX | Advanced Packet EXchange |
| APF |
| Advanced Printer Function |
| All PINs Fail |
| Authorized Program Facility |
| APG | Application Programming Generator |
| API |
| American Pirate Industries |
| Application Program Interface |
| Application Programming Interface |
| APIC |
| Advanced Peripheral Interrupt Controller |
| Advanced Programmable Interrupt Controller |
| APIS |
| Advanced Passenger Information System |
| Arbeitsdatei PIOS Innere Sicherheit |
| APL |
| A Perspicious Language / Alles Parallel Loesbar APL, slang |
| A Programming Language |
| APLI | Applications Programming Language Interface |
| APLSF |
| A Programming Language with Shared Files |
| A Programming Language with Shared Variables |
| APLT | Advanced Private Line Termination |
| APLV | Arbeitsdatei PIOS LandesVerrat |
| APM |
| Advanced Power Management |
| Aldus Placeable Metafile |
| APMP | Associação para a Promoção do Multimédia em Portugal |
| APMS | Automated Program Management information System |
| APNIC |
| Asia Pacific Network Information Center |
| Asian Pacific Network Information Center |
| APOP | Authenticated Post Office Protocol |
| APP |
| Agence pour la Protection des Programmes |
| Application |
| Application "file name extension" "R:Base" |
| Application Portability Profile |
| APPC/PC | Advanced Program-to-Program Communications / Personal Computers |
| APPC |
| Advance Program to Program Communication |
| Advanced Peer to Peer Communications |
| Advanced Program to Program Communication |
| Advanced Program to Program Communications |
| Application Program to Program Converter |
| APPCM | Access Protection and Priority Control Mechanism |
| APPCP | Advanced Program to Program Communications Protocol |
| APPI |
| Advanced Peer to Peer Internetworking |
| Advanced Program-to-Program Internetworking |
| APPLE | Arrogance Produces Profit Losing Entity |
| APPLETS | Applications |
| APPN |
| Advanced Peer to Peer Networking |
| Advanced Peer-to-Peer Network |
| APPS | Applications |
| APR |
| Arbeitsdatei PIOS Rauschgift |
| Automatic Picture Replacement |
| APRP | Adaptive Pattern Recognition Processing |
| APS |
| Active Pixel image Sensor |
| Advanced Photo System |
| Advanced Planning and Scheduling |
| Advanced Printing Service |
| Application Processing Services |
| Associative Processor System |
| Asynchronous Protocol Specification |
| Automatic Protection Switching system |
| APSE | Ada Programming Support Environment |
| APSI | Aircraft Propulsion Subsystem Integration (JTDE & JETEC) |
| APSK | Audio Phase Shift Keying |
| APT |
| Address Pass Through |
| Advanced Parallel Technology |
| Advanced Personnel Testing |
| Advanced Photoscale Technology |
| Advanced Power Technology ( Bend OR ) |
| American Phone Terrorists |
| Automatically Programmed Tools |
| APTC | Advanced Processor Temperature Control |
| APTM | Application Program to Transaction Manager |
| APTS | Advanced Public Transportation |
| APU |
| Associative Processing Unit |
| Auxiliary Power Unit |
| AQL |
| Acceptable Quality Level |
| Average Quality Level |
| AQT | Analytical Query Time |
| AR |
| Accounts Receivable |
| Activity Resume |
| Address Register |
| Administrative Request [message] |
| Alarm Report |
| Arkansas |
| ARA |
| Administrative Request Acknowledge [message] |
| Apple Remote Access |
| Apple Remote Access (protocol) |
| AppleTalk Remote Access |
| Apple[talk] Remote Access |
| Attribute Registration Authority |
| ARAG |
| AntiReflection AntiGlare |
| Antireflective Antiglare |
| ARAP |
| Apple Remote Access Protocol |
| AppleTalk Remote Access Protocol |
| ARAS |
| Anti Reflective Anti Static ( display ) |
| Antireflective Antistatic |
| ARB |
| ARBitrary waveform generator |
| Application Review Board |
| Architecture Review Board OpenGL, manufacturer, Org. |
| ARC |
| Advanced RISC Computing |
| Advanced RISC Computing [architecture] |
| Archive "file name extension" |
| Attached Resource Computer |
| Attached Resource Computing |
| Audio Response Controller |
| ARCA | Advanced RISC Computing Architecture |
| ARCHIE | (Internet) ARCHIvE |
| ARCNET |
| Attached Resource Computer NETwork "Datapoint", "ARCnet" |
| Attached Resource Computer local area NETwork |
| ARCOFI | Audio Ringing COdec FIlter |
| ARCnet | Attached Resource Computer Network |
| ARD |
| Application Remote Database |
| Automatic RingDown |
| ARDIS | Advanced National Radio Data Service |
| ARE | All Routes Explorer |
| AREV | Advanced Revelation |
| AREXX | Amiga Restructured EXtended eXecutor [language] |
| ARF | Alarm Reporting Function |
| ARGO | A Really Good Open systems interconnection |
| ARGOS Advanced Research and Global Observation Satellite | |
| ARI | Address Recognized Indicator bit |
| ARIB | Association of Radio Industries and Business |
| ARIES | ATM Research and Industrial Enterprise Study |
| ARIN | American Registry for Internet Numbers |
| ARINC | Aeronautical Radio INC ( airline consortium ) |
| ARIS | Audichron Recorded Information System |
| ARJ | Compressed File "file name extension" "Jung" |
| ARKD | Abuse Resistant Key Distribution |
| ARL |
| Access Rights List |
| Address Resolution Logic |
| Adjusted Ring Length |
| Attendant Release Loop |
| ARLL |
| Advanced Run Length Limited |
| Advanced Run Length Limited [encoding] |
| ARM |
| Advanced RISC Machine |
| Advanced RISC Machines ( Ltd. Los Gatos CA; Cambridge UK ) |
| Advanced RISC Machines manufacturer, Acorn, Apple, VLSI, RISC |
| Annotated Reference Manual |
| Annotated [c++] Reference Manual |
| Anti radiation Missile |
| Application Response Measurement (API) |
| Asnchronous Response Mode |
| Asynchronous Response Mode |
| Automatic Switching And Processing |
| ARMA |
| Association of Records Managers and Administrators |
| Association of Records Managers and Administrators, inc. org. |
| ARMM | Automated Retroactive Minimal Moderation |
| ARMS |
| Architecture for Reliable Managed Storage |
| Automation Resources Management System |
| ARN |
| Assistance et Réalisations Nouvelles |
| Atmospheric Radio Noise |
| ARNS |
| A Remote Network Server |
| Appletalk Remote Network Server |
| ARO | After Receipt of Order |
| AROM | Alterable Read Only Memory |
| ARP |
| Address Resolution Protocol |
| Address Resolution Protocol ( ATM ) |
| ARPA | Advanced Research Projects Agency |
| ARPANET |
| Advanced Research Projects Agency NETwork |
| Advanced Research Projects Agency NETwork USA, network |
| ARPAnet | ARPA Network |
| ARPDP | Association of Rehabilitation Programs in Data Processing |
| ARPES | Angle Resolved PhotoEmission Spectroscopy |
| ARPL | Adjust Requested Privilege Level |
| ARQ |
| Automatic Re transmission reQuest |
| Automatic Repeat Request |
| Automatic Request for Retransmission |
| ARR |
| Attributes for Representing Relationships |
| Automatic Repeat Request |
| ARRA | Announced Retransmission Random Access |
| ARRL | American Radio Relay League |
| ARS |
| Action Request System |
| Activity Reporting System |
| Alternate Route Selection / Automatic Route Selection |
| Automatic Rate Select |
| ARSB | Automated Repair Service Bureau |
| ARSFSS Advanced Reduced Scale Fuel System Simulator | |
| ART |
| Adaptive Resonance Theory |
| Advanced Resolution Technology |
| Asynchronous Remote Takeover |
| Automatic Revision Tracking |
| Autorité de Régulation des Télécommunications |
| ARTA | Apple Real Time Architecture |
| ARTIC | A Real Time Interface Coprocessor |
| ARTS |
| Accelerated Ray Tracing System raytracing |
| Asynchronous Remote Takeover Server |
| Cultural Groups "Domain Name" "Internet" |
| ARTT | Asynchronous Remote Takeover Terminal |
| ARU | Audio Response Unit |
| AS/400 | Application System/400 |
| AS/U | Advanced Server for Unix |
| AS3AP | ANSI SQL Standard Scalable and Portable |
| AS400 | Application System/400 "IBM", "AS/400" |
| AS |
| AblaufSprache ( SPS ) |
| Activity Start |
| Address Syllable |
| Advanced Schottky ( logic ) |
| Advanced Server Windows NT |
| Application System |
| Authentication Service |
| Autonomous System |
| ASA |
| Accelerated Storage Adapter |
| Acrylnitril Styrol Acrylester ( Copolymer ) |
| Advanced SCSI Architecture |
| American Standards Association |
| ASACP | (Internet) Adult Sites Against Child Pornography |
| ASAI | Adjunct Switch Application Interface |
| ASAM |
| ATM Subscriber Access Multiplexer |
| Association for Standardisation of Automation and Measurement systems |
| ASAN | Assessment System for Aircraft Noise |
| ASAP |
| Accelerated SAP |
| As Soon As Possible |
| As Soon As Possible slang, Usenet, IRC |
| Automatic Switching And Processing |
| ASAS Advanced Solid Axial Stage | |
| ASAT | Antisatellite |
| ASB |
| Advanced System Buffering |
| Asynchronous Balanced mode |
| ASBR | Autonomous System Border / Boundary Router |
| ASC |
| ASCII text "file name extension" |
| AUTODIN Switching Center |
| Accredited Standards Committee |
| Additional Sense Code |
| Advanced Structural Components |
| Aeronautical Systems Center |
| American Society for Cybernetics |
| Authorized Support Center |
| Authorized Support Centers |
| Automatic Contrast Selection |
| ASCC | Automatic Sequence Controlled Calculator |
| ASCEND | Altera/Synplicity Cooperative ENgineering Development |
| ASCI | Accelerated Strategic Computing Initiative |
| ASCII |
| American Standard Code for Information Interchange |
| American Standard Code of Information Interchange |
| ASCSI | Advanced Small Computer Systems Interface |
| ASD |
| Advanced Semiconductor Development |
| Application Specific Discrete |
| Application Structure Database |
| Architecture Summary Design |
| ASDC | Abstract Service Definition Convention |
| ASDSP | Application Specific Digital Signal Processor |
| ASDU | Application - layer Service Data Unit |
| ASE |
| Active Storage Element GigaB, IP router |
| Aladdin Smartcard Environment |
| Amplified Spontaneous Emission |
| Application Service Elemant |
| Application Service Element |
| Association Suisse des Electriciens |
| ASEB |
| ASian EDIFACT Board |
| Asia Edifact Board |
| ASEMH |
| Army Standard Electronic Mail Host |
| Army Standards Electronic Mail Host mil., USA |
| ASF |
| Active/Advanced Streaming Format |
| Advanced Streaming Format |
| Automatic Sheet Feeder |
| ASH | Almquist SHell "BSD, Unix, Shell", "ash" |
| ASHRAE | American Society of Heating, Refrigeration, and Air conditioning Engineers |
| ASI |
| Actuator Sensor Interface |
| Adapter Support Interface |
| Alternate Space Inversion |
| Amorphous SIlicon drum "Kyocera", "aSI" |
| Aquarius Systems International manufacturer |
| Asynchronous SCSI Interface |
| Automatic System Installation |
| ASIA | Active Signal Integrity Architecture |
| ASIC | Application Specific Integrated Circuit |
| ASID | Address Space Identifier |
| ASIM | Arbeitskreis Simulation und Kuenstliche Intelligenz |
| ASIP |
| Airframe Structural Integrity Program |
| Application Specific Intstruction set Processor |
| ASIS |
| American Society for Information Science |
| American Society for Information Science org. |
| Application Software Installation Server |
| ASIT | Advanced Security and Identification Technology |
| ASK |
| Akademische Software Kooperation |
| Amplitude Shift Keying |
| ASKSAM | Access Stored Knowledge via Symbolic Access Method "DB", "askSam" |
| ASL |
| Adaptive Speed Leveling |
| Adaptive Speed Levelling |
| Alpha Systems Laboratories |
| Arithmetic Shift Left ( assembler mnemonic ) |
| ASLM | Apple Shared Library Manager |
| ASLT | Advanced Solid Logic Technology |
| ASM |
| ASynchronMaschine |
| Abstract State Machines |
| Advanced Server Management |
| Algorithmic State Machine |
| Alternate Stimulus Mode protocol |
| Assembler Source Language |
| Assembler Source Language "file name extension" |
| Association of Systems Management org. |
| Auxiliary Storage Manager |
| ASME | American Society of Mechanical Engineers |
| ASMP |
| ASymetric MultiProcessing [system] |
| ASymmetrisches MultiProzessor [system] |
| Asymmetric Multprocessing |
| Asymmetrical Multi-Processing |
| ASN.1 | Abstract Syntax Notation One |
| ASN1 | Abstract Syntax Notation One "OSI, ISO, IS 8824", "ASN.1" |
| ASN |
| Abstract Syntax Notation |
| Autonomous System Number |
| ASNM | AdvanceStack Network Management |
| ASO |
| Application Service Object |
| Automated Systems Operations |
| ASOC | Administrative Service Oversight Center |
| ASP |
| Abstract Service Primitive |
| Active Server Page "file name extension" |
| Active Server Pages |
| Addressable Scan Port ( SN74ABT8996 ) |
| Advanced Signal Processing / Processor |
| Aircraft Self Protection |
| Analog Signal Processor |
| AppleTalk Session Protocol |
| Application Service Provider |
| Application/Authorized Service Provider |
| Association of Shareware Professionals |
| Asymmetric Multiprocessing System |
| Attached Support Processor |
| Authorized Service Provider |
| ASPB |
| Alberta Society of Professional Biologists |
| Armed Services Petroleum Board |
| Assault Support Patrol Boat |
| ASPBOA | American Society of Psychosocial & Behavior Oncology/AIDS |
| ASPEC | Advanced SPectre Entropy Coding MPEG, digital audio |
| ASPEN | Automatic System for Performance Evaluation of the Network |
| ASPI | Advanced SCSI Programming Interface |
| ASPIC | Advanced ??? Programmable Interrupt Controller |
| ASPIK | Algebraic Specifications and Implementations ??? |
| ASPS | Advanced Signal Processing System |
| ASPUR |
| Automated System for Predetermining Unit Requirements |
| Automated System for Processing Unit Requirements |
| ASQ | Automated Software Quality |
| ASQC | American Society of Quality Control |
| ASR |
| Access Service Request |
| Address Space Register |
| Arithmetic Shift Right ( assembler mnemonic ) |
| Automatic Send Receive |
| Automatic Send/Receive |
| Automatic Server Restart |
| Automatic Speech Recognition |
| ASRAAM | Advanced Short Range Air to Air Missile |
| ASRAM | Asynchronous SRAM |
| ASRS | Aviation Safety Reporting System |
| ASSERT | ADEPT Subsystem for Scanning of Electronic Received Traffic ADEPT, mil.,USA |
| ASSET |
| Advanced Support System for Emulation and Test |
| Aerothermodynamics/Elastic Strucural Systems Environmental Tests |
| ASSIST |
| Automated Special Security Information System Terminal |
| Automated Special Security Information System Terminal mil., USA |
| ASSP |
| Acoustic Speech and Signal Processing |
| Application Specific Signal Processor |
| Application Specific Standard Product |
| ASSPA | ASsociation Suisse pour l'Automatique |
| ASSPU | Advanced Sensor Signal Processing Unit |
| ASSR | Agreed Set of Security Rules mil., USA |
| AST |
| AST Research : Albert Safi Thomas |
| AST Research Inc. |
| AUTODIN Subscriber Terminal |
| Application Specific Tools |
| Atlantic Standard Time |
| ASTA |
| Advanced Software Technology and Agorithms |
| Association of Short circuit Testing Authorities |
| ASTAT | Affordable Sensor Technology for Aerial Targeting |
| ASTEC | Advanced Solar Turbo Electric Conversion |
| ASTL | Advanced Scottky Transistor Logic |
| ASTM |
| American Society for Testing & Materials |
| American Society for Testing Materials |
| American Society for Testing and Materials |
| ASTRAL |
| Alliance for Strategic Token Ring Advancement & Leadership |
| Alliance fuer Strategic Token Ring Advancement and Leadership manufacturer |
| Association for Strategic Token Ring Advancement and Leadership |
| ASTREX | Advanced Space Structures Technology Research Experiment |
| ASTW | Agency Standard Terminal Workstations |
| ASU | Asynchron Synchron Umsetzer |
| ASV | Average System Value |
| ASVD |
| Analog Simultaneous Voice and Data |
| Analog Simultaneous Voice and Data ( standard V.61 ) |
| ASYNC |
| Asynchronous |
| Asynchronous transmission |
| AT&T |
| American Telegraph and Telephone |
| American Telephone and Telegraph |
| AT |
| ATtention (modem commands) |
| Access Tandem |
| Advanced Technology |
| Attention |
| ATA |
| ARCnet Trade Association |
| AT Attachment |
| AT bus Attachment [ mobile version of IDE ] |
| Advanced Technology Attachment |
| Alcatel TITN Answare |
| American Telemarketing Association |
| American Telemedecine Association |
| ATAF | Allied Tactical Air Forces |
| ATAGS | Advanced Technology Anti G Suit |
| ATAPI |
| AT Attachment Packet Interface |
| AT Attachment Packet Interface [ IDE standard ] |
| ATA Packet Interface |
| Advanced Technology Attachment Packet Interface |
| Advanced Technology Attachment Peripheral Interface |
| ATARR | Advanced Turbine Aerothermal Research Rig |
| ATAS | Analog Test Access System |
| ATASPI |
| AT Advanced SCSI Programming Interface |
| Advanced Technology Attachment Software Programming Interface |
| ATB | All Trunks Busy |
| ATC |
| Abstract Test Case |
| Address Translation Cache |
| Address Translation Controller |
| Address Translation Controller ( ATM ) |
| Advanced Transfer Cache |
| Air Traffic Control |
| Allbase / Turbo Connect |
| Automatic Transmission Control |
| ATCA | Allied Tactical Communications Agency |
| ATCP | [PPP] AppleTalk Control Protocol |
| ATCS | Advanced Time Channel Selection |
| ATD |
| Advanced Technology Demonstration |
| Association of Telecommunications Dealers |
| Asynchronous Time Division |
| Asynchronous Time Division, 3. Authorized Terminal Distributor |
| Authorized Terminal Distributor |
| ATDM |
| Asynchronous Time Division Multiplexer |
| Asynchronous Time Division Multiplexing |
| ATDMA | Asynchronous Time Division Multiple Access |
| ATDNet | Advanced Technology Demonstration Network ( OC 48 2.4 Gbps ) |
| ATDP | Attention Dial Pulse |
| ATDT | ATtention Dial Tone |
| ATE |
| ATM Terminating Equipment |
| Asynchronous Terminal Emulation |
| Automated Test Equipment |
| Automatic Test Equipment |
| ATEC | Authorized Training and Education Center |
| ATEGG | Advanced Turbine Engine Gas Generator |
| ATES | Advanced Techniques integration into Efficient scientific Software"ESPRIT, CASE" |
| ATF |
| Advanced Tactical Fighter |
| Automatic Track Finding |
| Automatic Track Following |
| ATFY | Average Time To First Yawn |
| ATG |
| Advanced Technology Group |
| Automatic Test Generation |
| ATH |
|
