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JEE Main 2022 (27 Jul, Shift 1) · Logic Gates

Logic Gates question from JEE Main 2022 (27 Jul, Shift 1)

Q108JEE Main 2022 · 27 JUL · SHIFT 1Easy

Logic Gates

A logic gate circuit has two inputs A and B and output Y. The voltage waveforms of A, B and Y are shown below.

The logic gate circuit is:

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Answer: (a)

First $A$ pulse: $B$ is also HIGH, so $Y = 1$ .
Second $A$ pulse: $B$ is LOW, so $Y = 0$ ; when only $B$ is HIGH, $Y = 0$ .
Third $A$ pulse: $B$ is HIGH, so $Y = 1$ .
$Y = 1$ only when both are 1: $Y = A \cdot B$ .
So the answer is (a) AND gate.

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