logical-operation

Collins
World English Dictionary
logical operation
 
n
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

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American Heritage
Science Dictionary
logical operation   (lŏj'ĭ-kəl)  Pronunciation Key 
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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