COMPUTER ORIENTED ABBREVIATIONS AND ACRONYMS

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AA -------Auto Answer
AAB ------- All-to-All Broadcast
AAL ------- Asynchronous Transfer Mode Adaption Layer
AAP ------- Applications Access Point [DEC]
AAS ------- All-to-All Scatter
AASP ------- ASCII Asynchronous Support Package
AAT ------- Average Access Time
ABC ------- * Atanasoff-Berry Computer (First digital
calculating machine that used vacuum tubes)
ABEND ------- Abnormal End
ABI ------- Application Binary Interface
ABIOS ------- Advanced BIOS
ABIST -------Automatic Built-In Self-Test [IBM]
ABLE ------- Adaptive Battery Life Extender
ABR ------- Available Bit Rate
ABRS ------- Automated Book Request System [British Library]
ABS ------- Address Book Synchronization [IBM] + Absolute
ABT ------- Abort
ABTS ------- ASCII Block Terminal Services
AC -------Autocheck + Automatic Computer + Alternating Current
ACAP ------- Application Configuration Access Protocol
ACC -------Accumulator
ACD ------- Automatic Call Distribution
ACDI ------- Asynchronous Communications Device Interface
ACE ------- Access Control Entry +
Advanced Computing Environment [SCO] +
Adverse Channel Enhancements [Microcom] +
* Automatic Computing Engine
ACF ------- Access Control Field +
Advanced Communications Function
ACH ------- Automated Clearing House
ACIAS ------- Automated Calibration Interval Analysis System
ACIS ------- American Committee for Interoperable Systems
ACK ------- Acknowledgment
ACL ------- Access Control List
ACM ------- Association for Computing Machinery
Audio Compression Manager [Microsoft]
ACMS ------- Application Control Management System
ACP ------- Ancillary Control Program + Auxilary Control Process
ACPI ------- Advanced Configuration Power Interface
ACROSS ------- Automated Cargo Release and Operations
Service System
ACS ------- Access + Access Control Set +
Access Control System +
* Advanced Computer System [IBM] +
Asynchronous Communication Server
ACTS ------- Automated Computer Time Service
ACTT ------- Advanced Communication and Timekeeping
Technology [Seiko]
ACU ------- Automatic Calling Unit
A/D ------- Analog to Digital
ADA ------- Automatic Data Acquisitions + Programming
Language named after Augusta Ada Lovelace)
ADB ------- Apple Desktop Bus
ADC ------- Adaptive Data Compression (protocol) [Hayes] +
Add with Carry + Analog to Digital Converter
ADCCP ------- Advanced Data Communication Control Procedures
ADD ------- Automatic Document Detection [WordPerfect]
ADF ------- Automatic Document Feeder +
Automatically Defined Function
.ADF------- Adapter Description File (file name extension)
ADI ------- AutoCad/AutoDesk Device Interface (driver)
ADL ------- Address Data Latch
ADLAT ------- Adaptive Lattice Filter
ADLC ------- Adaptive Lossless Data Compression [IBM] +
Asynchronous Data Link Control
ADMACS------- Apple Document Mangagement And Conrol System
ADMD------- Administrative Management Domain [X.400]
.ADN ------- Add In Utility (file name extension)
[Lotus 1-2-3] [LDC]
ADO ------- Active Data Objects
ADP ------- Automatic Data Processing
ADPCM ------- Adaptive Differential Pulse Code Modulation
ADR ------- Address
ADS ------- Application Development Solutions [AT&T] +
Application Development System +
Automatic Distribution System
ADSC ------- Address Status Changed +
Adobe Document Structuring Conventions
ADSL ------- Asymmetric Digital Subscriber Line
ADSP ------- Apple Datastream Protocol
ADSR------- Attack, Decay, Sustain, Release
ADT ------- Abstract Data Type + Application Data Types
ADU ------- Automatic Dialing Unit
AE ------- Above or Equal
AEB ------- Analog Expansion Bus [Dialogic]
AF ------- Auxiliary carry Flag
AFA ------- Accelerated File Access
AFC ------- Automatic Font Change + Automatic Frequency Control
AFD ------- Automatic File Distribution
AFDW ------- Active Framework for Data Warehousing [Microsoft]
AFII ------- Association for Font Information Interchange
AFIRM------- Automated Fingerprint Image Reporting and Match
AFIS ------- Automated Fingerprint Identification System
.AFM ------- Adobe Font Metrics (file name extension) [Adobe Systems]
AFP -------Advanced Function Presentation [IBM] +
Appletalk Filing Protocol [Macintosh]
AFS ------- Andrew File System (protocols)
AFTP ------- Anonymous File Transfer Protocol
AGC ------- Automatic Gain Control
AGP ------- Accelerated/Advanced Graphics Port
AGRAS ------- Antiglare-Antireflective-Antistatic
AGU ------- Address-Generation Unit
AHS ------- Automated Highway Systems
AI------- Analog Input + Artificial Intelligence
AIA -------Applications Integration Architecture [DEC]
AIC -------AIXwindows Interface Composer [IBM]
AIF ------- Audio Interchange Format
AIIM ------- Association for Information and Image Management
AIN ------- Advanced Intelligent Network [Bell Atlantic]
AIS ------- Automated Identification System [NCIC]
AISB ------- Association of Imaging Service Bureaus
AISP -------Association of Information Systems Professionals
AIT ------- Advanced Intelligent Tape [Sony]
AIX -------Advanced Interactive Executive [IBM]
ALC -------Arithmetic and Logic Circuits +
Automatic Level Control
ALE ------- Address Latch Enable +
Application Linking and Embedding
ALGOL ------- Algorithmic Oriented Language (see IAL)
ALIBI -------Adaptive Location of Internetworked Bases
of Information
ALINK ------- Active Link [HTML]
ALIWEB ------- Archie Like Indexing in the Web [Internet]
ALN ------- Asynchronous Learning Network
ALR ------- Advanced Logic Research, Inc.
ALT ------- Alternate (mode)
ALT. ------- Alternate lifestyle [USENET Newsgroup Category]
ALU ------- Arithmetic Logic Unit
AMA ------- Automatic Message Accounting
AMANDDA -------Automated Messaging and Directory Assistance
AMD ------- Active Matrix Display +
Advanced Micro Devices, Inc.
AMI -------American Megatrends, Inc.
AMMA -------Advanced Memory Management Architecture
[Everex Systems]
AMPS ------- Advanced Mobile Phone Service
ANCOVA ------- Analysis of Covariance
ANDF ------- Architecture-Neutral Distribution Format
ANI ------- Automatic Number Identification
.ANI ------- Animated Cursor (file name extension) [Microsoft]
ANN ------- Artificial Neural Network
.ANN ------- Annotations (file name extension) [IBM]
ANOVA ------- Analysis Of Variance
ANSI------- American National Standards Institute
ANX ------- Automotive Network Exchange [Chrysler/Ford/General Motors]
AO ------- Analog Output
AOCE ------- Apple Open Collaboration Environment
AOE ------- Application Operating Environment [AT&T]
AOL ------- America Online
AOS ------- Add Or Subtract
AP ------- Adjunct Processor + Application Processor
A/P ------- Accounts Payable
APA ------- Adaptive Packet Assembly +
All Points Addressable +
Arithmetic Processing Accelerator
APAR ------- Authorized Program Analysis Report [IBM]
APAREN -------Address Parity Enable [IBM]
APCUG ------- Association of PC User Groups
API Application Program Interface
APIC Advanced Programmable Interrupt Controller (bus) [Intel]
APIS ------- Advanced Passenger Information System
APL------- * A Programming Language (Mathematics)
APM Advanced Power Management [IBM]
APOP Authenticated Post Office Protocol
.APP ------- Application (file name extension) [R:Base]
APPC ------- Advanced Program-to-Program Communications [IBM]
APPI Advanced Peer-to-Peer Internetworking
APPN Advanced Peer-to-Peer Networking [IBM]
APPS Applications
APRP Adaptive Pattern Recognition Processing
APS Advanced Photo System + Advanced Printing Service [IBM]
Asynchronous Protocol Specification
APSE ADA Programming Support Environment
APT Address Pass Through +
Advanced Parallel Technology +
Automatically Programmed Tools
A/R Accounts Receivable
ARA AppleTalk Remote Access
ARAG Antireflective-Antiglare
ARAS Antireflective-Antistatic
.ARC Archive (file name extension)
ARCA Advanced RISC Computing Architecture
ARCnet Attached Resource Computer Network
.ARJ Compressed File (file name extension) [Jung]
ARL Adjusted Ring Length
ARLL Advanced Run Length Limited
ARM Advanced RISC Machine (processor) +
Annotated Reference Manual +
Asynchronous Response Mode
ARMA Association of Records Managers and Administrators
ARP Address Resolution Protocol [Novell]
ARPANET Advanced Research Projects Agency Network
ARPL Adjust Requested Privilege Level
ARTA Apple Real Time Architecture
ARTIC A Real-Time Interface Coprocessor [IBM]
ARTS Asynchronous Remote Takeover Server
.ARTS Cultual Groups (Domain Name) [Internet]
ARTT Asynchronous Remote Takeover Terminal
ARQ Automatic Repeat Request
ARU Audio Response Unit
AS Autonomous System [Internet]
ASAI Adjunct Switch Application Interface [AT&T]
ASAP As Soon As Possible +
Automatic Switching And Processing
AS3AP ANSI SQL Standard Scalable and Portable
.ASC ASCII text (file name extension)
ASCC * Automatic Sequence Controlled Calculator [IBM]
ASCII American Standard Code for Information Interchange
ASF Active Streaming Format [Microsoft]
ASIC Application-Specific Integrated Circuit
ASIT Advanced Security and Identification Technology
ASL Adaptive Speed Levelling
ASLM Apple Shared Library Manager [Macintosh]
.ASM Assembler Source Language (file name extension)
ASMP Asymmetric Multprocessing
ASN Abstract Syntax Notation + Autonomous System Number
ASO Automated Systems Operations
ASP Active Server Page [Microsoft] +
Authorized Service Provider +
Association of Shareware Professionals
.ASP Active Server Page (file name extension)
ASPI Advanced SCSI Programming Interface [Adaptec]
ASPS Advanced Signal Processing System
ASR Address Space Register + Automatic Send-Receive +
Automatic Speech Recognition
AST AST Research, Inc. (named from first initials of
the founders: Albert Wong, Safi Qureshey, Thomas Yuen)
AS/U Advanced Server for Unix
ASYNC Asynchronous
AS/400 Application System/400 [IBM]
AT Advanced Technology + Attention
ATA Advanced Technology Attachment
ATDP Attention Dial Pulse
ATDT Attention Dial Tone
ATE Automated Test Equipment
ATG Advanced Technology Group
ATH Attention Hang-Up (Modem command)
ATL Active Template Library
ATM Adobe Typeface Manager + Asynchronous Transfer Mode +
Automated Teller Machine
ATPS AppleTalk Printing Services [Macintosh]
ATR Automatic Terminal Recognition
ATS Administrative Terminal System +
Apple Terminal Services
AT&T American Telephone and Telegraph
ATTN Attention
ATTRIB Attribute (also ATR)
ATZ Attention Restore configuration profile from
nonvolatile RAM (Modem command)
.AU Audio (file name extension)
AUDIT Automated Data Input Terminal
AUI Attachment/Autonomous Unit Interface
AUP Acceptable Use Policy [Internet]
AUTO Automatic
AUTOEXEC Automatic Execution
AUX ------- Auxiliary + (First Serial Port)
AV -------Audio/Video + Audiovisual + Authenticity Verification
AVA ------- Audio Visual Authoring [IBM]
AVC ------- Audio Visual Connection [IBM]
AVD ------- Alternating Voice and Data
AVG ------- Average
AVI ------- Audio Visual Interleave [Microsoft]
AVR ------- Automatic Voice Recognition
AVT ------- Applied Voice Technology
AWG------- American Wire Gage
AWK ------- (Unix language named after its authors...
Al Aho, Peter Weinberger and Brian Kernighan)
AWS ------- Advanced Workstations and Systems (group) [IBM]
AWT------- Abstract Window Toolkit [Java]
AX ------- Architecture Extended + Automatic Transmission