| Abbreviation | Definition |
|---|---|
| BOM | Byte Order Mark |
| BOSS | Branch On Site Server |
| BOUND | Check Array Bounds |
| BP | Buffer Previous |
| BPAT | Backflow Prevention Assembly Testers |
| BPAU | Bit Pattern Associative Unit |
| BPIM | Bury Programmer In Manuals |
| BPO | Branch if Power Off |
| BPP | Branch and Pull Plug |
| BR | Before Read |
| BR | Before Return |
| BR | By Rows |
| BRDV | Data Berify Branch |
| BRI | Begin Reading Information |
| BS | Back Space |
| BSA | Binary Source Archive |
| BSA | Branch and Save Address |
| BSF | Bit Scan Forward |
| BSF | Bit Set File |
| BSOD | A Binary System Output Data |