BLAST - Blocked Asynchronous Transmission

BLD - Basic Blood Graphics

BLDSC - British Library Document Supply Center

BLE - Branch if Less Or Equal

BLER - Block Error

BLK - Block

BLMC - Buried Logic Macrocell

BLOB - Binary Large Object

BLOS - Branch if Lower Or Same

BLT - Black Logical Transfer

BLU - Basic Link Unit

BM - Benchmark

BMI - Branch if Minus

BMIC - Busmaster Interface Controller

BMP - Bitmap

BMP - Batch Message Processing Program

BMP - Basic Mapping Support

BNB - British National Bibliography

BNC - Bayonet Neill - Concelman

BNE - Branch if Not Equal

BNF - Backus Name Form

BNS - Backbone Network Service

BNZ - Branch On Not Zero

BO - Branch On Overflow

BO - Binary Output