<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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Nearby terms: giga- « gigabit « gigabits per second « gigabyte » gigaflop » gigaflops » GigaHertz