gigabyte

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gig·a·byte

 (gĭg′ə-bīt′, jĭg′-)
n.
1. A unit of computer memory or data storage capacity equal to 1,024 megabytes (230 bytes).
2. One billion bytes.
Usage Note: The usual meaning of the prefix giga- is one billion, so one would expect the term gigabyte to refer to one billion bytes. However, in describing the capacity of an electronic device that stores digital data, it often has a special meaning, referring to the power of 2 closest to one billion, which is 230, or 1,073,741,824 bytes. This special meaning comes about because storage devices use binary numbers to keep track of storage locations, and so are often designed with a number of storage locations that is a power of 2. Nonetheless, for reasons of convenience manufacturers of hard drives generally use gigabyte when they mean a rounded off sum of 1 billion bytes. In other aspects of technology, such as data transmission, where powers of 2 are less relevant, a gigabyte normally means exactly 1 billion bytes. Other prefixes, such as mega- and tera-, show a similar pattern in use.

gigabyte

(ˈɡɪɡəˌbaɪt; ˈɡaɪɡəˌbaɪt)
n
(Computer Science) computing one thousand and twenty-four megabytes. See also giga-2

gig•a•byte

(ˈgɪg əˌbaɪt, ˈdʒɪg-)

n. Computers.
1. 230 (1,073,741,824) bytes; 1024 megabytes.
2. 109, or one billion (1,000,000,000), bytes; 1000 megabytes. Abbr.: GB
[1970–75]

gig·a·byte

(gĭg′ə-bīt′)
1. A unit of computer memory or data storage capacity equal to 1,024 megabytes (230 bytes).
2. One billion bytes. See Note at megabyte.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gigabyte - a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytesgigabyte - a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes
GB, G
computer memory unit - a unit for measuring computer memory
megabyte, MB, M - a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
terabyte, TB - a unit of information equal to 1000 gigabytes or 10^12 (1,000,000,000,000) bytes
2.gigabyte - a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes
computer memory unit - a unit for measuring computer memory
mebibyte, MiB, megabyte, MB, M - a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
tebibyte, TiB, terabyte, TB - a unit of information equal to 1024 gibibytes or 2^40 (1,099,511,627,776) bytes
Translations

gigabyte

[ˈdʒɪgəˌbaɪt] Ngigabyte m

gigabyte

[ˈgɪgəbaɪt]
ngigaoctet m
modif
a ten-gigabyte hard drive → un disque dur de dix gigaoctets

gigabyte

n (Comput) → Gigabyte nt

gigabyte

[ˈgaɪgəˌbaɪt] ngigabyte m inv