b2b
(Business to Business)

B4
(Before)

BAD
(Broken As Designed)

Baionetta

BAK

BAK
(Back At Keyboard)

Balloon Tips

Ban

Banda base

Banda larga

Banda passante

Bandwidth
(Larghezza di banda)

Bang path

Banner

Banshee

Bar Code

Barebone

Barf

Barney

Barra degli strumenti

Barra dei menu

Barra delle applicazioni

Barra di scorrimento

Barton

Baseband
(Banda base)

Basic
(Beginners All-purpose Symbolic Instruction Code)

Batch

Battery Optimized

Baud

Baudot

Bb
(Ballbearing)

BBFN
(Bye Bye For Now)

BBIAB
(Be Back In A Bit)

BBL
(Be Back Later)

BBS
(Bullettin Board Service)

BBS
(Be Back Soon)

BCC
(Blind Carbon Copy)

BCD
(Binary Coded Decimal)

B-Channel

BCNU
(Be Seein' You)

BCPL
(Basic combined programming language)

BDC
(Backup Domain Controller)

Beans

BEFS
(Be File System)

Bell xxx

Benchmark

BeOS
(Be Operating System)

BER
(Bit Error Rate)

BET
(Bit Enhancement Technology)

Beta

B-Frame
(Bidirectional predictive Frame)

BGA
(Ball Grid Array)

BGA2
(Ball Grid Array 2)

Bicubico

Bilineare

Bin

Binario

BinHEX

BIOS
(Basic Input Output System)

Bipolare

Bit
(BInary digiT)

Bit rate

Bit rot

Bitmap

Bitmapped

Bitwise operator

Blade server

Blending

Blitter hardware

Blivet

BLOB
(Binay Large Object)

Block
(Blocco)

Block Cache

blog
(weB LOG)

Blue Angel

Blue book

Blue box

Blue glue

Blue Screen of Death

Blue wire

Blue-Ray Disc

Bluetooth

Blur

BMP

BNC
(Bayonet Nut Couplers)

BO
(Back Orifice)

BO2K
(Back Orifice 2000)

Bogus

Bomba

Bomba logica

Bookmark
(Segnalibro)

Boot

Boot manager

Bootable

Bootable CD

Bootstrap

BOS
(Business Operating System)

Bounce mail

Boundary scan

Boxed

Boxed message

bpi
(bits per inch)

bpp
(bit per pixel)

bps
(bit per second)

Bracket

Bracketing

Brand

BRB
(Be Right Back)

Breackpoint

BRI
(Basic Rate Interface)

Bridge

Bridge Page

Broadband

Broadcast

Broken arrow

Brouter

Browser

BRS
(Big Red Switch)

BSA
(Business Software Alliance)

BSD
(Berkeley Systems Distribution)

BTF
(Bilinear Texture Filtering)

BTO
(Build To Order)

BTW
(By The Way)

Buffer

Buffer overrun

Buffer RAM

Buffer underrun

Bug

Bulk

Bump mapping

Bundle

Burn-Proof
(Buffer underrun - Proof)

Burn-Proof 2
(Buffer underrun-Proof 2)

Burst

Burst speed

Bus

Bus network

Busy

B-Y

Byte

Backward compatibility

Possibilit� di utilizzare un nuovo software anche con hardware vecchio, oppure possibilit� di un hardware nuovo di utilizzare vecchio software.