Meaning & use

byte in computer

noun·Everydaycomputing

Last updated

UK/baɪt ɪn kəmˈpjuːtə/
US/baɪt ɪn kəmˈpjuːtər/

Meaning

  1. nouncountablecomputing

    A unit of computer memory or data, usually made of eight bits, enough to store one character such as a letter or number.

    Grammar: Countable: 'one byte', 'two bytes'. Often used in compounds like 'megabyte'.

    Patterns

    • a byte of data
    • X bytes of memory

    A single byte in a computer can represent one letter, like 'A' or 'z'.

    This image file is about 2 million bytes in size.

    The program uses only a few bytes of memory to store the user's name.

Word forms

pluralbytes

Common combinations

a byte of data
Each byte of data is processed by the CPU.
bytes of memory
The old computer had only 64 kilobytes of memory.
byte size
Check the byte size of the file before uploading it.

Synonyms and how they differ

character
In computing, a character is a single letter or symbol; a byte is the unit of storage, which often holds one character.

Word family

kilobyte noun
A unit of memory equal to 1,024 bytes.
megabyte noun
A unit of memory equal to about one million bytes.
gigabyte noun
A unit of memory equal to about one billion bytes.

Commonly confused: byte in computer or bit?

byte in computer vs bit

A bit is the smallest unit of data (0 or 1); a byte is usually made of eight bits.

Practice

How many bits are typically in one byte?

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