gigabyte

from WordNet (r) 3.0 (2006)

gigabyte
    n 1: a unit of information equal to 1000 megabytes or 10^9
         (1,000,000,000) bytes [syn: {gigabyte}, {G}, {GB}]
    2: a unit of information equal to 1024 mebibytes or 2^30
       (1,073,741,824) bytes [syn: {gigabyte}, {gibibyte}, {G},
       {GB}, {GiB}]

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

gigabyte
gig

   <unit> 2^30 = 1,073,741,824 {bytes} = 1024 {megabytes}.

   Roughly the amount of data required to encode a human gene
   sequence (including all the redundant codons).

   See {prefix}.

   (1995-09-29)

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