OR gate

A Dictionary of Computing | 2004 | 458 words | Copyright

OR gate An electronic logic gate whose output is logic 0 (false) only when all (two or more) inputs are logic 0, otherwise it is logic 1 (true). It therefore implements the logical OR operation and has the same truth table. The diagram shows the usual circuit symbol and the truth table for a two-input gate. The device is more correctly called an inclusive-OR gate since the condition of both inputs true generates a true output. See also exclusive-OR gate.

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JOHN DAINTITH. "OR gate." A Dictionary of Computing. 2004. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>.

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