Byte

A group of binary digits that combine to make a word. Generally 8 bits. Half byte is called a nibble. Large computers use 32 bits and 64 bits.

In order to remove the confusion between the SI abbreviations (such as kilo) and the definition used in computing a new system was devloped and published in 1999.

Byte
NameAbbreviationFactor
kibiKi210 = 1024
mebiMi220 = 1 048 576
gibiGi230 = 1 073 741 824
tebiTi240 = 1 099 511 627 776
pebiPi250 = 1 125 899 906 842 624
exbiEi260 = 1 152 921 504 606 846 976

IEC Standard Prefixes as per the publication - "IEC 60027-2: Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics"

The unit was named by IBM engineer Werner Buchholz in 1956, and the 8-bit size was popularized shortly thereafter by IBM′s System 360.

See also: Baud Rate, Big Endian, Bit, Crumb, Gigabyte, Kilobyte, Little Endian, Megabyte, Nibble, Word, Wyde.

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Subjects: Computing