ABKLEX – Abkürzungswörterbuch - A

A          Advanced, American, Amplitude, Application, Architecture, Area, Association
A2DP       Advanced Audio Distribution Profile
AA         Access Authorization
AA         Aiming Algorithm
AA         Anti-Aliasing
AA         Arbitrary Access
AA         Assistant Administrator
AA         Audits + Assessments
AA         Auto Answer
AAA        Authentication, Authorization, Accounting
AAAA       Aussuchen – Auspacken – Anpassen – Anwenden
AAAAAA     Association for the Abolition of Abused Abbreviations and Asinine Acronyms
AAAI       American Association of Artificial Intelligence
AAB        All-to-All Broadcast
AAC        Advanced Audio Coder/Coding
AAC        Apple Assistance Center
AACE       Association for the Advancement of Computing in Education
AACR       Anglo-American Cataloging Rules
AACD       Academic Administrative Computing Services
AACS       Advanced/Automated Access Content/Control System
AACS       Ann Arbor Computer Society
AACS       Asynchronous Address Communication System
AACS       Automated Analog Circuit Synthesis
AAD        Address Adder
AADP       Administrative Automatic Data Processing
AAE        Allgemeine Anschalt-Erlaubnis
AAE        Automatische Anrufeinrichtung
AAFID      Autonomous Agent For Intrusion Detection
AAIC       Accounting Authority Identification Code
AAL        Absolute Assembly Language
AAL        Asynchronous Transfer Mode Adaption Layer
AAL        ATM Adaptation Layer
AALPDU     AAL Protocol Data Unit
AAM        Automatic Acoustic Management
AAMOF      As A Matter Of Fact (Slang)
AAN        Associated Account Number
AAP        Advanced Adaptive Protocol
AAP        Applications Access Point
AAP        American Association of Publishers
AAPI       Audio Applications Programming Interface
AAR        Anfangsadressregister
AARP       AppleTalk Address Resolution Protocol
AAS        All-to-All Scatter
AAS        Arithmetic Assignment Statement
AASP       ASCII Asynchronous Support Package
AAT        Average Access Time
AATIS      Arbeitskreis Amateurfunk und Telekommunikation in der Schule
AATP       Authorized Academic Training Program
AAUI       Apple Attachment Unit Interface
AAVD       Automatic Alternate Voice Data
AB         Anrufbeantworter
AB         Ausser Betrieb
ABAP       Advanced Business Application Programming (SAP)
ABB        ASEA Brown Boveri (Schweiz)
ABC        American Broadcasting Company
ABC        Applications of Broadband Communication
ABC        Atanasoff-Berry-Computer
ABC        Automatic Brightness Control
ABCS       Advanced Business Communications via Satellite
ABD        Automatic Baudrate Detection
ABEND      Abnormal End
ABF        Adobe Binary Screen Font
ABI        Application Binary Interface
ABIC       Access Bus Industry Group
ABIOS      Advanced Basic Input Output System
ABIST      Automatic Built-In Self Test
ABK        Arbeitskreis Bildkommunikation
ABLE       Adaptive Battery Life Extender
ABLE       Agent Building and Learning Environment
ABM        Anything But Microsoft
ABM        Asynchronous Balanced Mode
ABN        Australian Bibliographic Network
ABNF       Augmented Backus-Naur Form
ABNS       Application Based Network Services
ABR        Automated Beacon Removal
ABR        Available Bit Rate
ABRD       Automatic Baud Rate Detection
ABRS       Automated Book Request System
ABS        Address Book Synchronization
ABS        Authorized Bearer Services (Exceptions)
ABS        Automatic Backup Shutdown
ABT        Abort
ABT        ATM Block Transfer
ABTDT      ATM Block Transfer Delayed Transmission
ABTIT      ATM Block Transfer Immediate Transmission
ABTS       ASCII Block Terminal Services
AC         Access/Automatic Control
AC         Access Concentrator
AC         Accumulator
AC         Advisory Committee
AC         Alternating Current
AC         Analogue Computer
AC         Arc Consistency
AC         Audio Code/Codec/Coding
AC         Authority Center
AC         Auto Check
ACA        Application Control Architecture (DEC)
ACAP       Application Configuration Access Protocol
ACAP       Automated Content Access Protocol
ACAS       Application Control Architecture Services
ACATS      Advisory Committee on Advanced Television Systems
ACC        Abnormal Condition Control
ACC        Access
ACC        Accumulator
ACC        Adaptive Cruise Control
ACC        Area Communication Controller
ACCMAIL    Accessing the Internet via Email
ACCU       Association of C and C++ Users
ACD        Automated/Automatic Call Director/Distributor/Distribution
ACDF       Access Control Decision Function
ACDG       Automatic Call Distribution Group
ACDI       Asynchronous Communication Device Interface
ACDP       Australian Committee on Data Processing
ACE        A Compact Evaluated Nuclear Data File
ACE        Access Control Encryption/Entry
ACE        Adaptive Communication Environment
ACE        Additional Core Enhancements
ACE        Adobe Certified Expert
ACE        Advanced Computing Environment (SCO)
ACE        Adverse Channel Enhancement
ACE        ASCII Compatible Encoding
ACE        Automatic Calling Equipment
ACELP      Algebraic Code Excited Linear Prediction
ACF        Access Control Field
ACF        Admission Confirmation
ACF        Advanced Communication Function
ACF        Attribute Configuration File
ACFC       Address and Control Field Compression
ACFM       Alternating Current Frequency Modulation
ACH        Automeated Clearing House
ACI        Access Control Information
ACI        Adjacent Channel Interference
ACI        Advanced Chip Interconnection
ACI        Advanced Computing Initiative
ACI        American Computer Innovators
ACI        Application Communication Interface
ACIA       Access Control Inner Area
ACIA       Asynchronous Communication Interface Adapter
ACIAS      Automated Calibration Internal Analysis System
ACID       Analysis Console for Intrusion Databases
ACID       Atomicity, Consistency, Isolation, Durability
ACIS       American Committee for Interoperable Systems
ACK        Acknowledge/Acknowledgement
ACK        Amsterdam Compiler Kit
ACL        Access Control List
ACL        Account Classification
ACL        Advanced Computing Laboratory
ACL        Agent Communication Language
ACL        Application Connectivity Link
ACL        Asynchronous Connectionless Link
ACLS       Accounting Class Packet Services
ACLU       American Civil Liberties Union, USA
ACM        Association for Computing Machinery, USA
ACM        Audio Compression Manager
ACME       Assembling Configuration Management Environments
ACMS       Application Control Management System
ACONET     Akademisches Computer-Netz, österrreich
ACOS       Additional Call Offering Service
ACP        Analog Copy Protection
ACP        Ancillary Control Program
ACP        Automatic Channel Programming
ACP        Auxiliary Control Process
ACPI       Advanced Configuration and Power Interface
ACPICA     Advanced Configuration and Power Management Interface Component Architecture
ACR        Advanced Communication Riser
ACR        Allowed Cell Rate
ACR        Attenuation to Crosstalk Ratio
ACRG       Access Code Restriction Group
ACROSS     Automated Cargo Release and Operations Service System
ACS        Access Control Server/Set/System
ACS        Account Control System
ACS        Advanced Communication/Computer System
ACS        Aldus Color File
ACS        Anti Curl System
ACS        Asynchronous Communication Server
ACSA       Access Control Specific Area
ACSE       Association Control Service Element/Entity
ACSK       Adaptive Code Shift Keying
ACSNET     Australian Computer Science Network 
ACSR       Automatic Customer Station Rearrangement
ACSS       Audio Cascading Style Sheet
ACT        Advanced Communication for Training
ACT        Applied Computerized Telephony (HP)
ACTA       America's Carriers Telecommunication Association
ACTI       Advanced Computational Technology Initiative
ACTL       Access Customer Terminal Location
ACTLU      Active Logical Unit
ACTPU      Active Physical Unit
ACTS       Advanced Communications Technologies and Services
ACTS       Advanced Communications Technology Satellite
ACTS       Automated Computer Time Service (NIST)
ACTT       Advanced Communication and Timekeeping Technology
ACTU       Active User
ACTV       Advanced Compatible Television
ACU        Access Control Unit
ACU        Acknowledgement Signal Unit
ACU        Automatic Calling Unit
ACVC       Ada Compiler Validation Capacity
ACWT       Analog Call Waiting
A/D        Analog/Digital
AD         Active Directory
AD         Administrative Domain
AD         Assignment Date
ADA        Adobe Developers Association
ADA        Applied Decision Analysis
ADA        Automatic Data Acquisition
ADABAS     Adaptable Database System
ADAIC      Ada Information Clearinghouse
ADAM       Automatischer Datenmessplatz
ADAM       Art, Design, Architecture + Media Information Gateway
ADAT       Alesis Digital Audio Tape
ADB        Apple Desktop Bus
ADB        Authentication Database
ADC        Adaptive Data Compression
ADC        Add with Carry
ADC        Analogue to Digital Converter
ADC        Apple Developer Connection
ADC        Apple Display Connector
ADC        Application Development Classes
ADCCP      Advanced Data Communication Control Procedure/Protocol
ADD        Adapter Device Driver
ADD        Architecture Design Document
ADD        Automatic Document Detection
ADDMD      Administration Directory Management Domain
ADDX       Assoziation Deutschsprachiger DXer
ADE        Advanced Document Engineering
ADE        Application Development Environment
ADEOS      Advanced Earth Observation Satellite, Japan
ADEPA      Agence Nationale pour le Developpement de la Production Automatisee
ADF        Adaptor Description File
ADF        Address Distribution Facility
ADF        Arbeitskreis Digitale Fotografie
ADF        Automatic Direction Finder/Finding
ADF        Automatic Document Feed/Feeder
ADF        Automatically Defined Function
ADFS       Acorn/Advanced Disc File/Filing System
ADI        Agence de l'Informatique
ADI        Autodesk Device Interface
ADIOS      Automated Download and Installation of Operating Systems
ADISS      Analytical Data Interchange + Storage Standards
ADL        Above Detection Limit
ADL        Address Data Latch
ADL        Adventure Definition Language
ADLAT      Adaptive Lattice Filter
ADLC       Adaptive Lossless Data Compression
ADLC       Asynchronous Data Link Control
ADM        Add/Drop-Multiplexer
ADM        Aggregate Data Manager
ADM        Application Development Modul
ADM        Arrow Diagram Method
ADM        Asynchronous Disconnected Mode
ADM        Automatic Drive Maintenance
ADMACS     Apple Document Management And Control System
ADMD       Administrative/Administration Management Domain (X.400)
ADO        ActiveX Data Object
ADP        Administrative/Automatic Data Processing
ADP        AOLserver Dynamic Pages
ADP        Automatic Data Processing
ADPCM      Adaptive Delta/Differential Pulse Code Modulation/Modulator
ADR        Address
ADR        Advanced Digital Recording
ADRC       Adaptive Dynamic Range Coding
ADRD       Automatic Data Rate Detection
ADRES      Automatic Dynamic Range Expansion System
ADS        Active Directory Service
ADS        Aktiver Diagnose-Stecker
ADS        Alternate Data Stream
ADS        Application Development Solutions/System
ADS        AutoCAD Development System
ADS        Automated Data Service
ADS        Automatic Distribution System
ADSC       Address Status Changed
ADSC       Adobe Document Structuring Conventions
ADSI       Active/Advanced Directory Service Interface
ADSI       Analog Display Services Interface
ADSL       Asymmetric(al) Digital Subscriber Line/Loop
ADSM       Adstar Distributed Storage Manager (IBM)
ADSP       AppleTalk Data Stream Protocol
ADSR       Attack, Decay, Sustain, Release
ADT        Abrechnungsdatenträger
ADT        Abstrakter Datentyp
ADT        Advanced DRAM Technology
ADT        Application Data Type
ADTV       Advanced Definition Television
ADU        Automatic Dialing Unit
ADVISE     Analysis, Dissemination, Visualization, Insight, and Semantic Enhancement
ADX        Automatic Data Exchange
ADXVERZ    Amtliches Verzeichnis der DATEX-Teilnehmer
AE         Above or Equal
AE         Application Entity
AEB        Analogue Expansion Bus
AEC        Architectural and Engineering Construction
AEC        Ars Electronica Center
AEC        Availability Environment Classification
AECG       Advanced Embedded Codes Gateway
AED        Abfrageeinrichtung für Datenverkehr
AEEC       Airlines Engineering Electronics Committee
AEG        Allgemeine Electricitäts-Gesellschaft
AEH        Advanced Encapsulated Hypertext
AEI        Additional Equipment Interface
AEIOUS     Advanced Enhanced Interface for Open Universal Systems
AEM        Acoustic Emission Monitoring
AEM        Asynchronous Event Mechanism
AEM        Automatic Emulation Management
AEMS       Automated Energy Management System
AEP        AppleTalk Echo Protocol
AEP        Application Environment Profile (Posix)
AES        Advanced Encryption Standard
AES        Application Environment Specification/Services
AET        Abstract Window Toolkit
AET        Advanced Educational Technology
AET        Application Entity Title
AF         Alternative/Audio Frequency
AF         Anzunehmender Fehler
AF         Auxiliary Carry Flag
AFA        Accelerated File Access
AFA        Association des Fournisseurs d'Acces et de Services Internet
AFAIAA     As Far As I Am Aware (Slang)
AFAIC      As Far As I am Concerned (Slang)
AFAIK      As Far As I Know (Slang)
AFAIKT     As Far As I Know Today (Slang)
AFAIR      As Far As I Remember (Slang)
AFB        Adobe Font Binary
AFC        Antiferro-magnetically Coupled (media)
AFC        Automatic Font Change
AFC        Automatic Frequency Control
AFCCU      Advanced Function Common Control Unit
AFD        Automatic File Distribution
AFDM       Advanced Fluid Dynamics Model
AFDW       Active Framework for Data Warehousing
AFE        Analog Front End
AFF        Adaptive Feed Forward
AFFS       Amiga Fast File System
AFH        Adaptive Frequency Hopping
AFI        Authority and Format Identifier
AFII       Association for Font Information Interchange
AFIN       Association Française des Informaticiens
AFIPS      American Federation of Information Processing Societies
AFIRM      Automated Fingerprint Image Reporting and Match
AFIS       Automated Fingerprint Identification System
AFJ        April Fool's Joke (Slang)
AFK        Away From Keyboard (Slang)
AFM        Adobe Font Manager/Metrics
AFM        Audio Frequency Modulation
AFN        American Forces Network
AFNIC      Association Française pour le Nommage Internet en Cooperation
AFNOR      Association Française de Normalisation
AFOD       Angebot für Online-Dienste
AFP        Advanced Flexible Processor
AFP        Advanced Function Presentation/Printing
AFP        AppleTalk Filing Protocol
AFR        Alternate Frame Rendering
AFR        Annualized Failure Rate
AFR        Arndt-Ford-Roper Two-pole Fit
AFS        Advanced Freephone Service
AFS        Alex/Andrew/Advanced File System
AFSK       Audio Frequency Shift Keyer/Keying (Modulation)
AFT        Adapter Fault Tolerance
AFTEL      Association Française de la Telematique Multimedia
AFTN       Aeronautical Fixed Telecommunication Network
AFTP       Anonymous FTP (Internet)
AFU        alt.folklore.urban
AFUG       Amateurfunkgesetz
AFUL       Association francophone des utilisateurs de Linux et des logiciels libres
AFUU       Association Française des Utilisateurs d'UNIX
AFUUSO     Association Française des Utilisateurs d'UNIX et des Systemes Ouverts
AFUV       Amateurfunkverordnung
AG         Alternating Gradient
AGA        Advanced Graphics Adapter/Architecture
AGAF       Arbeitsgemeinschaft Amateurfunkfernsehen
AGC        Automatic Gain Control
AGCS       Advanced Graphic Chip Set
AGCW       Arbeitsgemeinschaft CW
AGDX       Arbeitsgemeinschaft DX e. V., Erlangen
AGE        Automatische Gebührenerfassung
AGFMB      Arbeitsgemeinschaft Freier Mailboxen
AGFPL      Aladdin Ghostscript Free Punlic License
AGL        Adobe Glyph List
AGNES      Automatisches GPS-Netz Schweiz
AGP        Accelerated Graphics Port
AGP        Advanced Graphics Package (HP)
AGPL       Affero General Public License (GNU)
AGRAS      Antiglare Antireflective Antistatic
AGU        Address Generation Unit
AGUI       Advanced Graphical User Interface
AGV        Automatic Guided Vehicle
AH         Authentication Header
AHB        Advanced High Performance Bus
AHC        Advanced High Speed CMOS
AHCI       Advanced Host Controller Interface
AHDL       Altera Hardware Description Language
AHRA       Audio Home Recording Act
AHREF      Anchor Hypertext Reference
AI         Adobe Illustrator
AI         Analogue Input
AI         Artificial Intelligence
AI         Active Interface
AIA        Application Integrated Architecture (DEC)
AIC        AIX Windows Interface Composer
AID        Alarm Identification on Demand
AIDA       Attention, Interest, Desire, Action
AIDS       Activity Information Data System
AIDS       Anomaly-based Intrusion Detection System
AIDS       Automatic Installation and Diagnostic Service
AIFF       Adobe/Audio Interchange File Format
AII        Active Input Interface
AIIM       Association for Information and Image Management
AIK        Angewandte Informatik Karlsruhe e. V.
AIM        Advanced Informatics
AIM        AOL Instant Messenger
AIM        Automatic Interface Management in Medicine
AIM        Apple, Intel, Motorola
AIML       Artificial Intelligence Markup Language
AIMB       As I Mentioned Before (Slang)
AIMS       Advanced Information Management System
AIMS       Apple Internet Mail Server
AIN        Advanced Intelligent Network
AIN        Auto Insert Notification
AIO        All In One
AIO        Annual Inspection + Overhaul
AIOD       Automatic Identification of Outward Dialing
AIP        Adaptive Internet Protocol
AIP        Application Infrastructure Provider
AIP        Archive Information Package
AIPS       Astronomical Image Processing System
AIR        Architecture Implementation Review
AIR        Automated Image and Restore
AIS        Account Information Security (Program)
AIS        Administrative/Affiliate  Information System
AIS        Alarm Indication Signal/System
AIS        Application Integration Services
AIS        Artificial Immune System
AIS        Audit Information System (SAP)
AIS        Automated Identification/Information System
AIS        Autonomous Intelligent System
AISB       Association of Imaging Service Bureaus
AISI       As I See It (Slang)
AISP       Association of Information Systems Professionals
AIT        Advanced Information Technology
AIT        Advanced Intelligent Tape
AIUI       As I Understand It (Slang)
AIW        APPN Implementor's Workshop
AIX        Advanced Interactive Executive (IBM)
AJAX       Asynchronous Javascript And XML
AKA        Also Known As (Slang)
AKI        Arbeitskreis Informatik
AKL        Agent Kernel Language
AKS        Arbeitskreis Schule (in der GUUG)
AKSIS      Arbeitskreis Schutz von Infrastrukturen
AL         Application Layer
AL         Arbitrated Loop
AL         Assembly Language
AL         Aussagenlogik
ALA        American Library Association
ALAT       Advanced Load Address Table
ALB        Adaptive Load Balancing
ALC        Arithmetic and Logic Circuit
ALC        Automatic Level Control
ALDC       Advanced Lossless Data Compression
ALE        Address Latch Enable
ALE        Address Lifetime Expectancy
ALE        Application Link Enabling
ALE        Application Linking and Embedding
ALEC       Alternative Local Exchange Carrier
ALEX       A Lexical Programming Language
ALEX       Advertising Link Exchange
ALEX       Altlasten-Expertensystem
ALEX       Automatic Login Executor
ALEX       Automated/Automatic Labour Exchange
ALF        Accurate positioning by Low Frequency
ALG        Application Level Gateway
ALGOL      Algorithmic Language 
ALI        American Law Institute
ALI        Automatic Link Intelligence
ALIBI      Adaptive Location of Internetworked Bases of Inforamtion
ALICE      Artificial Linguistic Internet Computer Entity
ALINk      Active Link
ALIS       Automatic Link Setup
ALIWEB     Archie Like Indexing in the Web
ALM        Application Loadable Modul
ALN        Asynchronous Learning Network
ALOE       Apple Library for Object Embedding
ALOS       Auto LISP Object System
ALP        Assembly Language Preprocessor
ALP        Automatic Language Processing
ALPM       Aggressive Link Power Management
ALRU       Automatic Line Record Update
ALS        Advanced Low Power Schottky
ALSA       Advanced Linux Sound Architecture
ALT        Alternate
ALT        Anti Leech Tracker
ALU        Arithmetic Logic/Logical Unit
ALWR       Arbeitskreis der Leiter Wissenschaftlicher Rechenzentren
AM         Amplitudenmodulation
AM         Anschlussmodul
AM         Anwendungsmodul
AM         Application Maintainer (Debian)
AMA        Automatic Message Accounting
AMANDDA    Automated Messaging and Directory Assistance
AMASS      Archival Management And Storage System
AMB        Advanced Memory Buffer
AMBA       Advanced Microcontroller Bus Architecture
AMBW       All My Best Wishes (Slang)
AMC        Arbitration and Mediation Center
AMD        Active Matrix Display
AMD        Advanced Micro Devices, Inc., USA
AMDD       Agile Modelling Driven Development
AMDS       Amplitude Modulation Data System
AME        Advanced Metal Evaporated
AMF        All Media Floppy
AMH        Automated Materials Handling
AMI        Alternate/Alternative Mark Inversion
AMI        American Microsystems Inc.
AMI        Application Messaging Interface
AML        ACPI Machine Language
AML        Acronym Master List
AMLCD      Active Matrix Liquid Crystal Display
AMMA       Advanced Memory Management Architecture
AMO        Administration and Maintenance Order
AMP        Advanced Metal Powder
AMP        Asymmetric/Asynchronous Multi Processing
AMP        Audio MPEG Player
AMPL       A Mathematical Programming Language
AMPS       Advanced Mobile Phone Service/System
AMR        Adaptive Mesh Refinement
AMR        Adaptive Multi Rate (Audio Codec)
AMR        Anisotropic Magnetoresistance
AMR        Audio Modem Riser
AMRA       Ants-based Mobile Routing Architecture
AMRIS      Adhoc Multicast Routing Protocol Utilizing Increasing ID-Numbers
AMRR       Adaptive Multi Rate Retry
AMS        American Mathematical Society
AMS        Andrew Message System
AMT        Apple Media Toolkit
AMTEC      Ausstellung für Amateurfunktechnik, Elektronik, Computer
AMTOR      Amateur Microcomputer Teleprinting Over Radio
AMVER      Atlantic/Automatic Merchant Vessel (Emergency) Reporting System
AMVER      Automated Mutual Assistance Vessel Rescue System
AN         Access Network
AN         Accession/Associated Number
ANAC       Automatic Number Announcement Circuit
ANARC      Association of North American Radio Clubs
ANDF       Architecture Neutral Distribution Format
ANF        Additional Network Feature
ANFSCD     And Now For Something Completely Different (Slang)
ANI        Automatic Number Identification (Telefon)
ANIS       Analoger Anschluss an einer ISDN-Vermittlungsstelle
ANL        Argonne National Laboratory, USA
ANL        Automatic Noise Limiter
ANN        Artificial Neural Network
ANR        Advanced/Automatic Network Routing
ANRS       Automatic Noise Reduction System
ANS        Access Network System
ANS        Advanced Networking Services (Intel)
ANS        American National Standard
ANSA       Advances Network Systems Architecture
ANSI       American National Standards Institute
ANTC       Advanced Networking Test Center
ANTIOPE    Aquisition Numerique et Televisualisition d'Images Organisees en Page d'Ecriture
ANW        International Academic Networking Workshop
AO         Analogue Output
AOC        Abnormal Operating Condition
AOC        ADSL Overhead Control
AOC        Advice Of Charge
AOCE       Apple Open Collaboration Environment
AOD        Advanced Optical Disc
AOD        Audio On Demand
AODBS      Aspect Oriented Database System
AODI       Always On Dynamic ISDN
AODV       Ad hoc On demand Distance Vector
AOE        Application Operating Environment (AT+T) 
AOE        ATA over Ethernet
AOI        Active Output Interface 
AOL        America Online, Inc.
AOM        Annual Operating + Maintenance (cost)
AOP        Aspect Oriented Programming
AOR        Atlantic Ocean Region
AOS        Add Or Subtract
AOS        Advanced Operating System
AOSD       Aspect Oriented Software Development
AOSE       Agent Oriented Software Engineering
AOSS       AirStation One-touch Secure System
AOT        Absolutely Off Topic (News)
AOT        Ahead Of Time (compilation)
AOT        Application Object Template/Tree
AOW        Asia and Oceania Workshop (OSI)
AP         Access Point
AP         Adjunct/Application Processor
AP         Application/Adjunct Process/Processor/Program
AP         Automatic Pagination
APA        All Points Addressable
APA        Adaptive Packet Assembly
APA        All Points Addressable
APA        Arithmetic Processing Accelerator
APA        Amateur Press Association
APAA       Aggressive Packet Adaptive Assembly
APAR       Authorized Program Analysis Report (IBM)
APAREN     Address Parity Enable
APART      Automated Packet Recognition/Translation
APB        Advanced Peripheral Bus
APC        Application Protocol
APC        Association for Progressive Communications
APC        Arbeitsplatzcomputer
APC        Airborne Public Correspondence
APC        Automated Production Protocol
APCUG      Association of PC Users Groups
APD        Areal Power Density
APDA       Apple Programmers and Developers Association
APDU       Application Protocol Data Unit
APE        Abgesetzte Periphere Einheit
APE        Adaptable Persistence Engine
APEX       Advanced Packet Exchange
APEX       Application Exchange
APF        Active Port Forwarding
APG        Automated Password Generator
API        Application Program/Programming Interface
APIA       Application Program Interface Association
APIC       Advanced Programmable Interrupt Controller
APIM       ATM Interface Port Module
APIPA      Automatic Private Internet Protocol Addressing
APL        A Programming Language
APL        Application Program Library
APM        Advanced Power Management
APN        Access Point Name
APNIC      Asia Pacific Network Information Centre
APO        Advanced Planner and Optimizer (SAP)
APOL       Alternate Person On Line (Slang)
APOP       Authenticated Post Ofice Protocol
APP        Application Portability Profile
APP        Automatic Page Positioning
APPC       Advanced Program to Program Communication/Converter (IBM)
APPI       Advanced Peer-to-Peer Internetworking
APPN       Advanced Peer-to-Peer Network/Networking (IBM)
APR        Access Point Roaming
APR        Apache Portable Runtime (layer, library)
APRIL      Active/Passive Radio Interference Lock
APRIL      Adaptive Photonic Reflection by Inverted Light
APRIL      Advanced Power Recycling by Integrated Logic
APRIL      Adverse Psychiatric Reactions Information Link
APRIL      Association for Promotion and Research in Linux
APRIL      Association pour la Promotion et la Recherche en Informatique libre
APRP       Adaptive Pattern Recognition Processing
APRS       Automatic Position Report System
APS        Active Pixel Sensor
APS        Advanced Planning and Scheduling
APS        Advanced Printing/Production/Photo System
APS        Array Processing System
APS        Asynchronous Protocol Specification
APS        Automatic Position Select
APS        Asynchronous Protocol Specification
APS        Auto Pilot System
APS        Assembly Programming System
APSE       Ada Programming/Project Support Environment
APSL       Apple Public Source License
APSN       Atlantic Packet Satellite Network
APT        Address Pass Through
APT        Adobe Postscript Point
APT        Advanced Package Tool
APT        Advanced Parallel Technology
APT        Almost Plain Text
APT        Application Program Title
APT        Automatically Programmed Tools
APU        Attached Processing Unit
AQL        A Query Language
AQL        Acceptable Quality Level
AR         Access Router
AR         Artificial/Augmented Reality
AR         Aspect Ratio
AR         Augmented Reality
ARA        Apple/AppleTalk Remote Access
ARAG       Antireflective Antiglare
ARAP       Apple Remote Access Protocol
ARAS       Antireflective Antistatic
ARB        Adaptive Rate Based
ARB        Architectural/Architecture Review Board
ARC        Acceptable Risk Calculator
ARC        Acoustic Resonance Control
ARC        Advanced RISC Computing
ARCA       Advanced RISC Computing Architecture
ARCNET     Attached Resource Computer/Computing Network
ARD        Arbeitsgemeinschaft der Rundfunkanstalten Deutschlands
ARD        Apple Remote Desktop
ARDF       Amateur Radio Direction Finding
ARES       Annuaire Recherche Enseignement Superieur
ARF        Abuse Reporting Format
ARI        Autofahrer Rundfunk Information
ARIN       American Registry for Internet Numbers
ARIS       Architecture of Integrated Information Systems
ARJ        Admission Reject
ARL        Adjusted Ring Length
ARL        Authority Revocation List
ARLL       Advanced Run Length Limited
ARM        Account Resource Management
ARM        Acorn/Advanced RISC Machine
ARM        Advanced RISC Machine
ARM        Annotated Reference Manual
ARM        Application Response Measurment
ARM        Arpanet Reference Model
ARM        Asynchronous Response Mode
ARMA       Association of Records Managers and Administrators, USA
ARMM       Automated Retroactive Minimal Moderation
ARMS       Architecture for Reliable Managed Storage
ARNE       Automated Remote Network Evaluation
ARNS       AppleTalk Remote Network Server
AROM       Associative Read Only Memory
ARP        Address Resolution Protocol (Internet)
ARPA       Advanced Research Projects Agency, USA
ARPA       Automatic Radar Plotting Aid
ARPL       Adjust Requested Privilege Level
ARQ        Admission Request
ARQ        Automatic Repeat Request
ARR        Annual Return Rate
ARR        Automatic Repeat/Retransmission Request
ARRL       American Radio Relay League
ARS        Activity Reporting System
ARS        Adaptive Rate System
ARS        Address Retrieval System
ARS        Atomic Resolution Storage
ARS        Automatic Route Selection
ARSB       Automated Repair Service Bureau
ART        Adaptive Reasoning Technology
ART        Another Ray Tracer
ART        Autorite de Regulation des Telecommunications
ARTA       Apple Real Time Architecture
ARTIC      A Real-Time Interface Coprocessor (IBM)
ARTOB      Amateur Radio Translator on Balloon
ARTS       Asynchronous Remote Takeover Server
ARTT       Asynchronous Remote Takeover Terminal
ARU        Audio Response Unit
AS         Abstract Syntax
AS         Anschlusssatz
AS         Application System (IBM)
AS         Authentication Server/Service
AS         Autonomous System
AS3AP      ANSI SQL Standard Scalable and Portable
ASA        American Standards Association
ASA        Advanced SCSI Architecture
ASA        Adaptive Security Algorithm
ASAI       Adjunct Switch Application Interface
ASAM       Arbeitskreis zur Standardisierung von Automatisierungs- und Messsystemen
ASAP       As Soon As Possible (Slang)
ASAP       Automatic Switching And Processing
ASB        Advanced System Buffering/Bus
ASB        Alarm-Signal-Bearbeitung
ASC        Accredited Standards Committee (ANSI)
ASC        Auditor Security Collection
ASC        Authorized Service/Support Center
ASCC       Automatic Sequence Controlled Calculator (IBM)
ASCI       Accelerated/Advanced Strategic Computing Initiative
ASCII      American Standard Code for Information Interchange
ASCIIZ     ASCII String, Zero Terminated
ASCOM      Asynchronous Communication Control Program
ASD        Application Structure Database
ASD        Automatic Skip Driver
ASDF       Another System Definition Facility
ASDF       Association of Synchronous Data Formats
ASDF       Average Squared Difference Function
ASE        Advanced Server Environment
ASE        Amplified Spontaneous Emission
ASEA       Allmänna Svenska Electricitets-Aktiebolag, Schweden
ASF        Active Movie Streaming Format
ASF        Active/Advanced Streaming Format
ASF        Apache Software Foundation
ASF        Aspect Source Flag
ASI        Adapter Support Interface (IBM)
ASI        Alarm-Signal-Initialisierung
ASI        Application Specific Instruction
ASIC       Application Specific Integrated Circuit
ASIN       Amazon Standard Identification Number
ASIO       Audio Stream Input Output
ASIP       Application Specific Instruction Set Processor
ASIS       Ada Semantic Interface Specification
ASIS       American Society for Industrial Security
ASIS       American Society for Information Science
ASIT       Advanced Security and Identification Technology
ASK        Akademische Software Kooperation, Karlsruhe
ASK        Amplitude Shift Keying
ASL        ACPI (Control Method) Source Language
ASL        Adaptive Speed Levelling
ASL        Architectural Space Laboratory, Zürich
ASLM       Apple Shared Library Manager
ASLR       Address Space Layout Randomization
ASM        Abstract State Machine
ASM        Any Source Multicast
ASM        Application Specific Memory
ASM        Automated Storage Management
ASMP       Asymmetric Multi Processing
ASN        Abstract Syntax Notation
ASN        Access Stack Node
ASN        Autonomous System Number
ASN.1      Abstract Syntax Notation One (ISO, CCITT)
ASO        Active Sideband Optimum
ASO        Address Supporting Organization
ASO        Automated Systems Operation
ASP        Active Server Page/Pages
ASP        Advanced Signal Processor
ASP        Advanced Simple Profile
ASP        Allegiance Site License Program
ASP        AppleTalk Session Protocol
ASP        Application Service Provider
ASP        Association of Shareware Professionals
ASP        Attached Support Processor
ASP        Authorized Service Provider/Providing
ASPEC      Adaptive Spectral Perceptual Entropy Encoding
ASPI       Advanced SCSI Programming Interface
ASPS       Advanced Signal Processing System
ASQ        Automated Software Quality
ASR        Ada Software Repository
ASR        Address Space Register
ASR        Automatic Send Receive
ASR        Automatic Speech Recognition
ASR        Automatic System Recovery
ASRO       Asociata de Standardizare din Romania
ASS        Aural Style Sheet
AST        Anwendungsschnittstelle
ASTA       Anti Spam Technical Alliance
ASTAB      Asychronous Status Board
ASTRA      Association Tunesienne des Radio Amateurs
ASU        Asynchron/Synchron-Umsetzer
ASUG       America's SAP Users' Group
ASV        Advanced Super View
AT         Atomic Time
AT         Advanced/Assistive Technology
AT         Attention (Hayes)
AT         Attenuator
ATA        Analog Telefon/Terminal Adapter
ATA        AT (Bus) Attachment (Interface)
ATA        Advanced Technology Attachment
ATAPI      AT Attachment Packet Interface
ATB        All Trunks Busy
ATC        Adaptive Transform Coding
ATC        Address Translation Cache
ATC        Advanced Transfer Cache
ATC        ATM Transfer Capability
ATCA       Advanced Telecom Computing Architecture
ATCP       AppleTalk Control Protocol
ATDM       Asynchronous Time Division Multiplexing
ATDMA      Advanced/Asynchronous Time Division Multiple Access
ATDP       Attention Dial Pulse (Hayes)
ATDT       Attention Dial Tone (Hayes)
ATE        Automated/Automatic Test/Testing Equipment
ATF        Automatic Track Finding/Following
ATF        Asynchronous Transfer
ATFSM      Ask The Friendly System Manager (Slang)
ATH        Abbreviated Trouble History
ATH        Attention Hangup (Hayes)
ATIP       Absolute Time In Pregroove
ATIS       A Tools Integration Standard
ATIS       Automatic Terminal Information Service
ATIS       Automatic Transmitter Identification System
ATK        Andrew Toolkit
ATKIS      Amtliches Topographisch-Kartographisches Informationssystem
ATL        Active Template Library
ATL        Automatic Tape Library
ATLAS      Abreviated Test Language for All Systems
ATM        Adobe Type/Typeface Manager
ATM        Asynchronous Transfer Mode
ATM        At The Moment (Slang)
ATM        Automated/Automatic Teller Machine
ATMARP     ATM Address Resolution Protocol
ATM-CC     ATM Crossconnect
ATMP       Ascend Tunnel Management Protocol
ATN        Aeronautical Telecommunications Network
ATO        Assemble/Assembly To Order
ATOM       Advanced Terminal for Operation and Maintenance
ATP        Acceptance Test Procedure
ATP        AppleTalk Transaction Protocol
ATP        Adaptive Tolerant Protocol
ATPS       AppleTalk Printing Services
ATR        Answer To Reset
ATR        Attribute
ATR        Automatic Terminal Recognition
ATRAC      Adaptive Transform Acoustic Coding
ATRC       Adaptive Technology Resource Center, U. of Toronto
ATS        Administrative Terminal System
ATS        Advanced Training Solution
ATS        Apple Terminal Services
ATS        Author Title Subject
ATS        Automatic Transfer Switch
ATSC       Advanced Television Systems Committee
ATST       At The Same Time (Slang)
AT+T       American Telephone and Telegraph
ATT        Attenuator
ATT        At This Time (Slang)
ATTC       Advanced Television Test Center, USA
ATV        Advanced/Amateur Television
ATX        Advanced Technology Extended
AU         Administrative/Arithmetic/Access Unit
AUA        Architecture Unifiee d'Applications
AUC        Authentication/Authority Centre
AUDIT      Automated/Automatic Data Input Terminal
AUE        Andrew User Environment
AUFS       Another Union Files System
AUG        Apollo/Arcnet User Group
AUGE       Apple User Group Europe
AUI        Archiver User Interface
AUI        Attached/Attachment Unit/Universal Interface (Ethernet)
AUIS       Andrew User Interface System
AUP        Acceptable/Appropriate Use Policy (Internet)
AUTEX      Automatische Telex- und Teletexauskunft der DBP
AUX        Auxiliary
AUX        Apple UNIX
AV         Antivirus
AV         audio-visuell, Audio-Video
AV         Authenticity Verification
AVA        Audio Visual Authoring (IBM)
AVA        Anruf-Variante
AVA        Attribute Value Assertion
AVC        Access Vector Cache
AVC        Advanced Video Coding
AVC        Audio Visual Connection
AVC        Automatic Volume Control
AVC        Audio Visual Connection (IBM)
AVCD       Audio Visual Computer Display
AVD        Alternate Voice or Data
AVERT      Antivirus Emergency Response Team (NAI)
AVERZTXTTX Amtliches Telex- und Teletexverzeichnis der DBP
AVG        Average
AVI        Audio Video/Visual Interleave/Interleaved (Microsoft)
AVI        Audiovisuelle Integration
AVI        Advanced Visual Interface
AVIA       Architecture for Virtual Interfaces for Applications
AVK        Application Verification Kit
AVK        Audio-Video Kernel
AVL        Adelson-Velskij, Landis (-Baum)
AVN        Adobe Virtual Network
AVON       Amtliches Verzeichnis der Ortsnetze
AVP        Attribute Value Pair
AVR        Automatic Voice Recognition
AVRCP      Audio Video Remote Control Profile
AVS        Advanced Visual System
AVS        Altersverifikationssystem
AVS        Application Visualization System (IBM)
AVSM       Audio-Visual Storage Manager
AVSP       Advanced Video Signal Processor
AVSS       Audio-Video Subsystem Software
AVVID      Architecture for Voice, Video and Integrated Data (Cisco)
AWA        A While Ago (Slang)
AWADO      Automatischer Wechselschalter in der Anschlussdose
AWB        A While Back (Slang)
AWC        Association of Women in Computing
AWCG       Add With Carry (random number) Generator
AWD        Automatische Wähleinrichtung für Datenverbindungen
AWE        Address Windowing Extensions
AWE        Advanced Workstation Environment
AWF        Ausbildung, Weiterbildung, Fortbildung
AWG        American Wire Gauge
AWGN       Additive White Gaussian Noise
AWGTHTGTTA Are We Going To Have To Go Through This Again? (Slang)
AWHFY      Are We Having Fun Yet? (Slang)
AWL        Anweisungsliste (DIN 19 239)
AWL        Auswahl-Logik
AWL        Auto Whitelist
AWS        Administrative Workstation
AWS        Advanced Workstations and Systems (group) (IBM)
AWS        Apple Workgroup Server
AWS        Anrufweiterschaltung
AWS        Anwendungssoftware
AWT        Abstract/Advanced Window/Windowing Toolkit
AWU        Auto Wake Up
AX         Automatic Transmission
AXE        Applications Execution Environment
AXTLK      Alien Crosstalk
AXU        Application Specific Execution Unit
AYOR       At Your Own Risc (Slang)
AYST       Are You Still There? (Slang)
AZ         Azimut
AZB        Anzeige-Befehl