(computing) an operation involving the use of logical functions, such as and or or, that are applied to the input signals of a particular logic circuit
logical operation
A function on binary variables whose output is also a binary variable. Logical operations are the function of logic gates in digital circuits. Logical operations include AND, OR, NOT, and combinations of those operations. See more at Boolean algebra.


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  • Logical-operator

    noun, Computers. 1. any of the Boolean symbols or functions, as AND, OR, and NOT, denoting a ; Boolean operator. logical operator also logic operator A symbol, as in a programming language, or a function that denotes a logical operation.

  • Logical-positivism

    noun 1. a philosophical movement that stresses the function of philosophy as a method of criticizing and analyzing science and that rejects all transcendental metaphysics, statements of fact being held to be meaningful only if they have verifiable consequences in experience and in statements of logic, mathematics, or philosophy itself, and with such statements of […]

  • Logical relation

    A relation R satisfying f R g For all a, b, a R b => f a R g b This definition, by Plotkin, can be used to extend the definition of a relation on the types of a and b to a relation on functions.

  • Logical shift

    programming (Either shift left logical or shift right logical) Machine-level operations available on nearly all processors which move each bit in a word one or more bit positions in the given direction. A left shift moves the bits to more significant positions (like multiplying by two), a right shift moves them to less significant positions […]

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