Gb

from WordNet (r) 3.0 (2006)

GB
    n 1: a highly toxic chemical nerve agent that inhibits the
         activity of cholinesterase [syn: {sarin}, {GB}]
    2: a unit of magnetomotive force equal to 0.7958 ampere-turns
       [syn: {gilbert}, {Gb}, {Gi}]
    3: a unit of information equal to 1000 megabits or 10^9
       (1,000,000,000) bits [syn: {gigabit}, {Gbit}, {Gb}]
    4: a unit of information equal to 1000 megabytes or 10^9
       (1,000,000,000) bytes [syn: {gigabyte}, {G}, {GB}]
    5: a unit of information equal to 1024 mebibytes or 2^30
       (1,073,741,824) bytes [syn: {gigabyte}, {gibibyte}, {G},
       {GB}, {GiB}]
    6: an island comprising England and Scotland and Wales [syn:
       {Great Britain}, {GB}]

from The Free On-line Dictionary of Computing (8 July 2008)

GB

   <unit> {gigabytes} or {gigabits} - see {MB}.  Giga stands for
   10^9 - a US billion, or in computing for 2^30.

   The text of a thirty volume encyclopaedia would require about
   one gigabyte of {ASCII} storage.

   (1997-03-27)

from The Free On-line Dictionary of Computing (8 July 2008)

Gb

   <unit> Gigabit.  10^9 {bits}.  Might also be wrongly used for
   {gigabyte} ({GB}).

   (1997-03-27)

from The Free On-line Dictionary of Computing (8 July 2008)

gb

   <networking> (Great Britain) A {country code} for United
   Kingdom.  "{uk}" is generally used instead.

   (1999-01-27)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

GB
       GigaByte

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

GB
       GuoBao [codepage]