• B8ZS Bipolar with 8 Zero Substitution
• BAPI Bridge Application Program Interface
• BASH Bourne Again SHell
• BASIC Beginners All-purpose Symbolic Instruction Code
• BB Bye Bye
• BBS Bulletin Board System / Bulletin Board Service
• BC Block Check
• bcc blind carbon copy
• BCD Binary Coded Decimal
• BCS Business Communication Services
• BDE Borland Database Engine
• BDOS Basic Disk Operating System
• BER Basic Encoding Rules
• BEV Blacksburg Electronic Village
• bg background
• BGP Border Gateway Protocol
• BHA ButtHead Astronomer
• BIC Borland International Conference
• BIND Berkeley Internet Name Domain
• BIOS Basic Input/Output System
• BIPS Billion Instructions Per Second
• BITNET Because Its Time NETwork
• BIU Basic Information Unit
• BIV Built-In Video
• BIX Byte Information EXchange
• BLOB Binary Large OBject
• BMUG Berkeley Macintosh Users Group
• BOC Bell Operating Company
• BOF Birds Of a Feather
• BOOTP BOOTstrap Protocol
• BPDU Bridge Protocol Data Unit
• BPR Business Process Re-engineering
• bps bits per second
• BPV BiPolar Violations
• BRI Basic Rate Interface
• BRS Bibliographic Retrieval Service
• BSC Binary Synchronous Communication
• BSD Berkeley Software Division
• BTB Branch Target Buffer
• BTU Basic Transmission Unit
• BTW By The Way
• BVD Battery Voltage Detect