The bit is the most basic unit of information in computing and digital communications. The name is a portmanteau of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represented as either “1” or “0”, but other representations such as true/false, yes/no, +/−, or on/off are commonly used. The symbol for the binary digit is either ‘bit’ per recommendation by the IEC 80000-13:2008 standard, or the lowercase character ‘b’, as recommended by the IEEE 1541-2002 standard.
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