Abbreviation Definition
AArchived
AAASCII Art
AAAAutomatic Artwork Alignment
AAAAuthentication Authorisation and Accounting
AAAFATRACC ATM Added Functions
AABBAxis Aligned Bounding Box
AACAugmentative and Assistive Computing
AACEAustin Atari Computer Enthusiasts
AACSAdvanced Access Content System
AACTSAPS Automated Client Tracking System
AAFAdvanced Authoring Format
AAGAssistant Adjutant General
AAHCAmerican Association for History and Computing
AAIAnimal Artificial Intelligence
AAIPArbitrary Attribute Interchange Protocol
AAISAutomated Acquisition Information System
AAL5ATM Adaptation Layer 5
AAOCCAccuracy Authority Objectivity Currency And Coverage
ABApplication Bulletin
ABCApproximate Bootstrap Confidence