Identify the logic gate whose truth table is ........

Input A Input B Output Y
$0$ $0$ $1$
$0$ $1$ $0$
$1$ $0$ $0$
$1$ $1$ $0$

Question

Identify the logic gate whose truth table is ........ Input A Input B Output Y 0 0 1 0 1 0 1 0 0 1 1 0

TestHub · Accepted Answer

The given truth table shows that the output $Y$ is $1$ only when both inputs $A$ and $B$ are $0$ . For all other combinations of inputs, the output is $0$ .

This is the characteristic of a NOR gate, which is the complement of an OR gate.

For an OR gate, the outputs for the given inputs would be $0, 1, 1, 1$ .

Inverting these outputs gives $1, 0, 0, 0$ , which exactly matches the given truth table.

Thus, the logic gate is a NOR gate.

Answer: NOR

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