What is logic gate? How NOR gate is obtained. Give its logic gate symbol and truth table.
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It is digital circuit follows certain logical relationship b/w input and output voltages. Logic gate has one output but one or more inputs. It permits any signal to pass through or it may block the signal.
NOR gate has two or more inputs and one output. When a NOT operation is applied after OR gate, then it is called NOR gate. If the the output terminal Y of OR gate is joined with the input of NOT gate, the resultant is a NOR gate.
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