A/D -Analog To Digital
A2P -Application To Person
AAC -Advanced Audio Coding
AAA -Authentication, Authorization, Accounting
AAL -ATM Adaptation Layer
ABAC -Attribute-Based Access Control
ABI -Application Binary Interface
ABR -Adaptive Bit Rate
AC -Alternating Current
ACID -Atomicity, Consistency, Isolation, Durability
ACL -Access Control List
ACM -Association For Computing Machinery
ACR -Automatic Content Recognition
ACT -Action Code Table
ADSL -Asymmetric Digital Subscriber Line
AES -Advanced Encryption Standard
AGP -Accelerated Graphics Port
AI -Artificial Intelligence
AIO -All-In-One
AJAX -Asynchronous JavaScript And XML
ALGOL -Algorithmic Language
ALU -Arithmetic Logic Unit
AMD -Advanced Micro Devices
AMR -Adaptive Multi-Rate
ANSI -American National Standards Institute
AOC -Active Optical Cable
AOS -Android Operating System
AP -Access Point
API -Application Programming Interface
APIPA -Automatic Private IP Addressing
APP -Application
APRANET -Advanced Research Projects Agency Network
ARP -Address Resolution Protocol
ARQ -Automatic Repeat ReQuest
ASCII -American Standard Code For Information Interchange
ASF -Advanced Streaming Format
ASR -Automatic Speech Recognition
ASP -Active Server Pages
ATA -Advanced Technology Attachment
ATAPI -ATA Packet Interface
ATM -Asynchronous Transfer Mode
ATO -Authorization To Operate
AUI -Attachment Unit Interface
AUTOCAD -Automatic Computer-Aided Design
AVI -Audio Video Interleave
AWS -Amazon Web Services
AWT -Abstract Window Toolkit
AXI -Advanced EXtensible Interface
AZERTY -French Keyboard Layout
A11Y -Accessibility