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Bit: Difference between revisions

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{{wiktionary|bit}}
{{wiktionary|bit}}
'''Bit''' can have different meanings:
:''A bit is a part of a horse [[bridle]], and there are also [[tool bit]]s.''
In [[Computer science]] and information science, the word ''bit'' can have different meanings:
*A [[digit]] in [[binary]] notation, either ''0'' or ''1''. This is like a light [[switch]]; either there is light or there is not.
*A [[digit]] in [[binary]] notation, either ''0'' or ''1''. This is like a light [[switch]]; either there is light or there is not.
*A unit of measurement for the amount of data. This will be a multiple of 1 bit; only [[integer]]s are allowed.
*A unit of measurement for the amount of data. This will be a multiple of 1 bit; only [[integer]]s are allowed.
*As a unit of measurement for [[information]]. In this context, 1 bit is the amount of information that is present in the selection of two equally probable options. In this meaning, [[real numbers|real values]] as multiples are possible.
*As a unit of measurement for [[information]]. In this context, 1 bit is the amount of information that is present in the selection of two equally probable options. In this meaning, [[real numbers|real values]] as multiples are possible.
*A small amount of anything either literal or theoretical.

{{disambiguation}}


When talking about storage space, 8 bits are usually called a [[byte]].
{{tech-stub}}
[[Category:Basic English 850 words]]
[[Category:Basic English 850 words]]
[[Category:computer science]]

Latest revision as of 22:54, 20 November 2023

Bit can have different meanings:

  • A digit in binary notation, either 0 or 1. This is like a light switch; either there is light or there is not.
  • A unit of measurement for the amount of data. This will be a multiple of 1 bit; only integers are allowed.
  • As a unit of measurement for information. In this context, 1 bit is the amount of information that is present in the selection of two equally probable options. In this meaning, real values as multiples are possible.
  • A small amount of anything either literal or theoretical.