A gigabyte (GB) is a measure of computer data storage capacity and is "roughly" a billion bytes.
A gigabyte is two to the 30th power, or 1,073,741,824 in decimal notation. The term is pronounced
with two hard Gs. The prefix, "giga" comes from a Greek word meaning "giant."
Also see gigabit,
megabyte, terabyte, and exabyte.
This was last updated in April 2007
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