NOR

See also: Appendix:Variations of "nor"

Translingual

Symbol

NOR

  1. (international standards) ISO 3166-1 alpha-3 country code for Norway.
    Synonym: NO (alpha-2)

English

Etymology

From nor. Reinterpreted as NOT + OR or negation + OR (see also NAND, formed analogically).

Noun

NOR (plural NORs)

  1. A binary operator composite of NOT OR; negation of OR function.
    0 NOR 0 is 1; 1 NOR anything is 0.
    • 2022 August 4, William Bahn, “Boolean Algebra Laws—Delving Into Boolean Identities”, in All About Circuits‎[1]:
      The associativity of OR and AND is not at all obvious. It is tempting to assume that because OR and AND are commutative that they must be associative also. This is not the case, however, and some commutative Boolean operators are not associative. Examples include NAND and NOR.
    • 2025 August 30, “Logic Gates - Definition, Types, Uses”, in GeeksforGeeks‎[2], archived from the original on 11 September 2025:
      The output state of the NOR gate will be high (1) when all the inputs are low (0). NOR gate returns the complement result of the OR gate.
  2. Acronym of nucleolus organiser region.
NOR Truth Table
Input Output
A B
0 0 1
0 1 0
1 0 0
1 1 0

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