ISRO | ISRO CS 2008 | Question 26

The output Y of the given circuit


(A) 1
(B) 0
(C) X
(D) X’


Answer: (B)

Explanation: The above function is implemented using XOR function, and gives output as 1 only when both the inputs are different. In this function, both the inputs of the first Xor gate are set to 0. Then the output is also 0 and the further two gates are also getting 0 as both their inputs. So, the final output Y is 0.

Option (B) is correct.

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