| 词条 | Gigabit |
| 释义 |
The gigabit is a multiple of the unit bit for digital information or computer storage. The prefix giga (symbol G) is defined in the International System of Units (SI) as a multiplier of 109 (1 billion, short scale),[1] and therefore 1 gigabit = {{gaps|109|bits}} = {{gaps|1|000|000|000|bits}}. The gigabit has the unit symbol Gbit or Gb. Using the common byte size of 8 bits, 1 Gbit is equal to 125 megabytes (MB) or approximately 119 mebibytes (MiB). The gigabit is closely related to the gibibit, a unit multiple derived from the binary prefix gibi (symbol Gi) of the same order of magnitude,[2] which is equal to {{gaps|230|bits}} = {{gaps|1|073|741|824|bits}}, or approximately 7% larger than the gigabit. See also
References1. ^The NIST Reference on Constants, Units, and Uncertainty: SI prefixes 2. ^The NIST Reference on Constants, Units, and Uncertainty: Prefixes for binary multiples 1 : Units of information |
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