Question

Why NOR is Known as Universal Gate?
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Answer 1

• One NOR input pin is connected to the input signal A while all other input pins are connected to logic 0. The output will be A'. Thus, the NOR gate is a universal gate since it can implement the AND, OR and NOT functions.

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Answer 2

One NOR input pin is connected to the input signal A while all other input pins are connected to logic 0. The output will be . Thus, the NOR gate is a universal gate since it can implement the AND, OR and NOT A^ prime functions.