| Abbreviation | Definition |
|---|---|
| BIND | Berkeley Internet Name Domain |
| BIO | Basic Input Output |
| BIO | Bearer Independent Object |
| BIOS | Basic Input/ Output System |
| BIOS | Basic Input-Output System |
| BIOS | Binary Intelligence Override System |
| BIP | Basic Imaging Profile |
| BIP | Basic Interface For Parallelism |
| BIR | Bad Information Retrieval |
| BIS | Business Information System |
| BISYNC | Binary Synchronous Communication |
| BIT | Bitmap Image Touchup |
| BITNIC | Bitnet Network Information Center |
| BITS | Background Intelligent Transfer Service |
| BITS | Ballynahinch Internet Technology Society |
| BKGD | Background |
| BKGND | Background |
| BL | Background Loading |
| BL | Bell Laboratories |
| BL | Block Length |