Digital-Logic-Design

Question 742

Which of the following is not a valid rule of XOR?

A	0 XOR 0 = 0
B	1 XOR 1 = 1
C	1 XOR 0 = 1
D	B XOR B = 0

Digital-Logic-DesignBoolean-AlgebraISRO CS 2008

Question 742 Explanation:

XOR gate only returns 1 as the output when both inputs are different and in every other case, it returns 0.

So, options (A), (C) and (D) are correct.

Correct Answer: B

Question 742 Explanation:

XOR gate only returns 1 as the output when both inputs are different and in every other case, it returns 0.

So, options (A), (C) and (D) are correct.