Abbreviation Definition
A/VAudio/Video
A2DPAdvanced Audio Distribution Profile
ABDAApp Based Drivers Association
AC-3Advanced Cluster Computer Consortium
ACCMAsynchronous Control Character Map
ACMAudio Compression Manager
ACPMActive State Power Management
ACRAdvanced Communication Riser
ADActive Directory
ADAPTAggressive Drivers Are Public Threats
ADDAdditional Driver Discovery
ADMAutomated Driver Management
ADSAutomated Deployment Services
AECAcoustic Echo Cancellation
AHCIAdvanced Host Controller Interface
ALPCAdaptive Link Power Control
AMDAdvanced Micro Devices
APDDAssociation of Pizza Delivery Drivers
APSAdvanced Photographic System
ARDCAmerican Racing Drivers Club