A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 

A

A-D Analog to Digital

AA Author's Alteration

AA Auto Answer

AAL5 ATM Adaption Layer 5

ABEND Abnormal End

ABI Application Binary Interface

ABR Available Bit Rate

ACB Access method Control Block

ACDS Active Control Data Set

ACE Asynchronous Communications Element

ACF Advanced Communication Facility

ACIA Asynchronous Communications Interface Adapter

ACK Acknowledge

ACS Asynchronous Connection Server

ACS Automatic Class Selection

ACSE Application Control Service Element

ACT Application Control Table

ACU Automatic Calling Unit

ADC Analog Digital Converter

ADDMD Administrative Directory Management Domain

ADMD Administrative Management Domain

ADO ActiveX Data Object

ADSL Asymetric Digital Subscriber Line

AEA Activity End Acknowledge

AEI Application Entity Invocation

AF Application Framework

AFP Advanced Function Printing

AGS Advanced Graphics System

AI Artificial Intelligence

AIU Application Interface Unit

AIX Advanced Interactive eXecutive

AIX Alternate IndeX

ALGOL ALGOrithmic Language

ALS Application Layer Structure

ALS Automatic Line Switching

ALT Application Load Table

ALU Arithmetic and Logic Unit

AM Access Method

AMH Automated Material Handling

AMI Alternate Mark Inversion

AMIS Audio Messaging Interchange Specification

AMS Access Method Services

ANR Automatic Network Routing

ANS Advanced Network Services

ANSI American National Standards Institute

AOCE Apple Open Collaboration Environment

AOW Asian and Oceanic Workshop for open systems

AP Access Point

AP Automation Protocol

APA All Points Addressable

APDU Application Protocol Data Unit

API Application Programming Interface

APIA API Association

APL A Programming Language

APPC Advanced Program-to-Program Communication

APPI Advanced Peer-to-Peer Internetwork(ing)

APPN Advanced Peer-to-Peer Network(ing)

APS Advanced Production System

AR Attention Routine

ARP Address Resolution Protocol

ARPA Advanced Research Projects Agency

ARPANET Advanced Research Projects Agency Network

ARU Audio Response Unit

AS Activity Start

AS Autonomous System

ASC Accredited Standards Committee

ASCII American Standard Code for Information Interchange

ASE Application Service Element

ASIC Application-Specific Integrated Circuit

ASN Abstract Syntax Notation

ASN.1 Abstract Syntax Notation One

ASO Application Service Object

ASR Automatic Speech Recognition

ASTs Asynchronous System Traps

AT Advanced Technology

ATM Adobe Type Manager

ATM Asynchronous Transfer Mode

ATM Automatic Teller Machine

ATMP Ascend Tunnel Management Protocol

ATSF Alert Transport Service Facility

AU Access Unit

AVR Automatic Volume Recognition

AWG American Wire Gauge