| Abbreviation | Definition |
|---|---|
| AVC | Audio Video Control |
| AVI | Audio Video Interface |
| AVIVA | Address Valid to Instruction Valid ALE |
| AVPP | Audio-Video Player/Processor |
| AVR | Automatic Voltage Regulator |
| AVVID | Architecture for Video, Voice, and Internet Data |
| AWCC | Animated Windows Capture CODEC |
| AWG | American Wire Gauge |
| AXI | Advanced Extensible Interface |
| B | Base |
| B | form B (normally closed) contacts |
| B2D | Backup To Disc |
| BA | Brightness Adjust |
| BA | Bus Alignment |
| BAD | Broken And Destroyed |
| BADCI | Bionically Automated Digital and Computerized intellect |
| BAOS | Bus Access and Object Server |
| BAVW | Browser Appliance Virtual Workstation |
| BB | Ball Bearing |
| BB | Battle Buddy |