## giga-

prefix## gigabit

<*unit*>

2^30 bits, 1,073,741,824 bits.

See prefix.Last updated: 1995-11-12

## gigabits per second

<*unit*>

(Gbps) A unit of information transfer rate equal to one billion bits per second. Note that, while a gigabit is defined as a power of two (2^30 bits), a gigabit per second is defined as a power of ten (10^9 bits per second, which is slightly less) than 2^30).

Last updated: 2004-02-10

## gigabyte

(GB or colloquially "gig") A unit of data equal to one billion bytes but see binary prefix for other definitions. A gigabyte is 1000^3 bytes or 1000 megabytes.

A human gene sequence (including all the redundant codons) contains about 1.5 gigabytes of data. 1000 gigabytes are one terabyte. See prefix.*Human genome data content*.

Last updated: 2013-11-03

## gigaflop

gigaflops## gigaflops

<*unit*>

(GFLOPS) One thousand million (10^9) floating point operations per second.

One of them is strictly "one gigaflops" in the same way that one mile per hour isn't 1 MP. See prefix.Last updated: 1998-04-19

## GigaHertz

<*unit*>

(GHz) Billions of cycles per second.

The unit of frequency used to measure the clock rate of modern digital logic, including microprocessors.Last updated: 2001-05-14

### Nearby terms:

GIF89a ♦ GIFF ♦ gig ♦ **giga-** ♦ gigabit ♦ gigabits per second ♦ gigabyte ♦ gigaflop

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