MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DIGITAL LOGIC

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The output of a ____ gate is only 1 when both inputs are 1.
A
OR
B
NOT
C
NAND
D
AND
Explanation: 

Detailed explanation-1: -AND gate-output is 1 if BOTH inputs are 1. OR gate-output is 1 if AT LEAST one input is 1. XOR gate-output is 1 if ONLY one input is 1. NAND gate-output is 1 if AT LEAST one input is 0.

Detailed explanation-2: -When both inputs are equal, either are 1 or both are 0, the output will be logical 0. This is the reason an XOR gate is also called an anti-coincidence gate or inequality detector. This gate is called XOR or exclusive OR gate because its output is only 1 when its input is exclusively 1.

Detailed explanation-3: -AND Gate: The Logic AND Gate is a digital logic circuit whose output HIGH only when all the inputs are 1 (HIGH) otherwise output will be LOW.

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