gigabyte

Noun

1.

gigabyte - a unit of information equal to one billion (1,073,741,824) bytes or 1024 megabytes Synonyms: GB, G

(unit)

gigabyte - 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.

computer memory unit, G, GB, MB, megabyte, T, TB, terabyte