Open In App
Related Articles

GATE | GATE CS 2011 | Question 13

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Report issue
Report
Which one of the following circuits is NOT equivalent to a 2-input XNOR (exclusive NOR) gate? GATECS201113 (A) A (B) B (C) C (D) D

Answer: (D)

Explanation: All options except D produce XOR as described below :  NOT({a \bigoplus b}) = XNOR \\ NOT(NOT(a)\bigoplus NOT(b)) = NOT(aNOT(b) + NOT(a)b) = XNOR \\ NOT(a) \bigoplus b = ab + NOT(ab)= XNOR \\ NOT(NOT(aNOT(b))(NOT(b)+a)) = NOT(NOT(ab)+ba) = NOT(XNOR)

Quiz of this Question

Last Updated : 20 Sep, 2021
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads