B - Bit 
b - byte 
B-CDMA - Broadband Code Division Multi… 
B-ISSI - Broadband Inter-Switching Sys… 
B-ISUP - Broadband ISDN User's Part 
B-LLI - Broadband Low Layer Informatio… 
B-NT - Broadband Network Termination 
B-TE - Broadband Terminal Equipment 
B2A - Business-to-Affiliate 
B2B - Business-To-Business 
B2B2C - Business-to-Business-to-consum… 
B8ZS - Binary 8 Zero Suppression 
BA - Behavior Aggregate 
BAARF - Battle Against Any RAID Five 
BAC - Basic Air Control 
BAC - Business Availability Center 
BACNET - Building Automation and Contr… 
BACP - Bandwidth Allocation Control Pr… 
BADW - Bayerische Akademie Der Wissens… 
BAGEL - Bay Area GNU Enthusiasts Leagu… 
BAI - Basic Access Interface 
BALUN - BALanced-UNbalanced 
BAM - bidirectional associative memory 
BAM - Block-Availability-Map 
BAMP - BSD, Apache, MySQL, PHP 
BAP - Bandwidth Allocation Protocol 
BAPCO - Business Application Performan… 
BAPI - Biometric Application Program I… 
BAPI - Business Application Programmer… 
BAR - Base Address Register