gigabyte (GB)

A gigabyte (GB) is a measure of computer data storage capacity and is "roughly" a billion bytes.

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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 first published in April 2007

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