MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DIGITAL LOGIC

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following gate will give a 0 when both of its inputs are 1?
A
AND
B
OR
C
NAND
D
EXOR
Explanation: 

Detailed explanation-1: -From the above shown logic tables, we can say that for NAND and NOR gate, we will get the output ‘0’ when both the inputs are 1.

Detailed explanation-2: -Explanation: The NAND gate gives 0 as the output when both of its inputs are 1 or any one of the input is 1.

Detailed explanation-3: -The output of a NAND gate is 0.

Detailed explanation-4: -When the inputs are 1 and 0, the output is zero.

Detailed explanation-5: -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.

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