| Abbreviation | Definition |
|---|---|
| BSOD | Binary System Output Data |
| BSR | Bit Scan Reverse |
| BSR | Boundary Scan Register |
| BSS | Block Start Symbol |
| BSS | Block Starting with Symbol |
| BSS | Block Storage Space |
| BSS | Block Storage Start |
| BST | Binary Search Tree |
| BSY | Busy |
| BSZ | Block Store Zeros |
| BT | Bit Test |
| BTB | Buffer Target Branch |
| BTC | Bit Test Complement |
| BTC | Branch Target Cache |
| BTD | Branch on Time of Day |
| BTIC | Branch Target Instruction Cache |
| BTJ | Branch and Turn Japanese |
| BTR | Bit Test and Reset |
| BTS | Bit Test and Set |
| BTT | Bump To Top |