OR circuit

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OR circuit, gate [ɔː]

(Electronics & Computer Science / Computer Science) Computing a logic circuit having two or more input wires and one output wire that gives a high-voltage output signal if one or more input signals are at a high voltage: used extensively as a basic circuit in computers Compare AND circuit, NAND circuit

[so named from its similarity to the function of or in logical constructions]

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Noun

OR circuit - a gate circuit in a computer that fires when any of its inputs fire

OR gate

logic gate, gate - a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs

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