A

A/D

Analog / Digital (converter)

AAAI

American Association for Artificial Intelligence

AAB

Auto Answer Back

AAL

ATM Adaptation Layer

ABA

American Banks Association

ABI

Application Binary Interface (Unix)

ABM

Asynchronous Balanced Mode

AC

Alternating Current (CA)

ACE

Advanced Computer Environment

ACIA

Asynchronous Communications Interface Adapter

ACK

ACKnowledge (char 06 - 06H)

ACM

Association for Computing Machinery

ACTA

American Carriers Telecommunication Association

ADC

Analog Digital Converter (A/D)

ADCCMP

Advanced Data Communications Control Procedures (ANSI X3.66)

ADPCM

Adaptive Differential Pulse Coded Modulation

ADSL

Asymmetrical Digital Subscriber Line

AEA

American Electronics Association

AFC

Automatic Frequency Control

AFNOR

Association Fran‡aise de NORmalization

AGC

Automatic Gain Control

AGC

Automatic Generation Control

AI

Artificial Intelligence

AIN

Advanced Intelligent Network

AKA

Also Known As

ALN

Adaptive Logic Network

ALU

Arithmetic and Logic Unit

AM

Amplitude Modulation

AM/FM

Automatic Mapping / Facility Management

AMI

Alternate Mark Inversion

AMPS

Advanced Mobile Phone System (TIA 553)

AMR

Automatic Meter Reading

ANI

Automatic Number Identification (tel)

ANOVA

ANalysis Of VAriance

ANSA

Advanced Network System Architecture

ANSI

American National Standards Institute (NY)

APD

Avalanche Photo Diode

API

Application Program Interface

APPC

Advanced Program to Program Communication (IBM)

APPN

Advanced Peer to Peer Networking (IBM)

ARCnet

Attached Resource Computer NETwork

ARO

After Receipt of Order

ARP

Address Resolution Protocol (Layer 3)

ARQ

Automatic Repeat reQuest

ASA

American Standards Association

ASAP

As Soon As Possible

ASCII

American Standard Code for Information Interchange (7 bits - ANSI - CCITT N¦ 5)

ASIC

Application Specific Integrated Circuit

ASK

Amplitude Shift Keying

ASME

American Society of Mechanical Engineers

ASN.1

Abstract Syntax Notation 1 (ISO 8824 8825)

AT

Apple Talk

AT

ATtention (Hayes Modems Command Prefix)

AT&T

American Telegraph & Telephone

ATE

Automatic Test Equipment

ATM

Asynchronous Transfer Mode (Cell-Switching, Fast Packet)

ATM

Automated Teller Machine

ATV

Advanced TeleVision

AUI

Attachment Unit Interface (Ethernet, 15-pin)

AVC

Automatic Volume Control

AWG

American Wire Gauge