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(B) $NOR$ gate is a combination of an $OR$ gate followed by a $NOT$ gate.The Boolean expression for a $NOR$ gate is $Y = \overline{A + B}$.If both inp

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High output when both inputs are low

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(B) $NOR$ gate is a combination of an $OR$ gate followed by a $NOT$ gate.The Boolean expression for a $NOR$ gate is $Y = \overline{A + B}$.If both inputs $A$ and $B$ are low $(0, 0)$,then $A + B = 0$,and $Y = \overline{0} = 1$ (High output).If any input is high,the output becomes low.Therefore,the $NOR$ gate produces a high output only when both inputs are low.

The logic of a $NOR$ gate is that .......

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