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JEE · NEET Previous Year Question

$Which logic gate produces 'LOW' output when any of the inputs is 'HIGH'?$

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.

A $AND$
B $OR$
C $NAND$
D $NOR$

Correct answer: D

Solution

(d) For NOR gate, y = A + B If A = 1 and B = 0 or A = 0 and B = 1 or A = B \Leftrightarrow 1 y = 1 = 0

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