page_title: Nibble
hierarchical_section_title: Nibble
caption_attribution_description: English: 16×16 table of all octet values. Codepage not exactly CP866 because based on a font from console-tools adulterated with CP437. Letters Ёё were either hand-made or imported from elsewhere&#160;– they are missing from Cyr_a8x8.
context_page_description: In computing, a nibble is a four-bit aggregation, or half an octet. It is also known as half-byte or tetrade. In a networking or telecommunication context, the nibble is often called a semi-octet, quadbit, or quartet. A nibble has sixteen possible values. A nibble can be represented by a single hexadecimal digit and called a hex digit.
  A full byte is represented by two hexadecimal digits; therefore, it is common to display a byte of information as two nibbles. Sometimes the set of all 256 byte values is represented as a 16×16 table, which gives easily readable hexadecimal codes for each value.
  Four-bit computer architectures use groups of four bits as their fundamental unit. Such architectures were used in early microprocessors, pocket calculators and pocket computers. They continue to be used in some microcontrollers. In this context, 4-bit groups were sometimes also called characters rather than nibbles.
context_section_description: In computing, a nibble (occasionally nybble or nyble to match the spelling of byte) is a four-bit aggregation, or half an octet. It is also known as half-byte or tetrade. In a networking or telecommunication context, the nibble is often called a semi-octet, quadbit, or quartet. A nibble has sixteen (2⁴) possible values. A nibble can be represented by a single hexadecimal digit and called a hex digit.
  A full byte (octet) is represented by two hexadecimal digits; therefore, it is common to display a byte of information as two nibbles. Sometimes the set of all 256 byte values is represented as a 16×16 table, which gives easily readable hexadecimal codes for each value.
  Four-bit computer architectures use groups of four bits as their fundamental unit. Such architectures were used in early microprocessors, pocket calculators and pocket computers. They continue to be used in some microcontrollers. In this context, 4-bit groups were sometimes also called characters rather than nibbles.
caption: An octet code page 866 font table ordered by nibbles.
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