Which one of the following expressions does NOT represent exclusive NOR of x and y?
(A) xy+x’y’
(B) x⊕y’
(C) x’⊕y
(D) x’⊕y’
Answer: (D)
Explanation: By Definition of XNOR, 
So Option-A is correct.
Also by Definition of XOR, 
Option-B is 
So Option-B is also correct.
Option-C is 
Option-C is also correct.
Option-D x’⊕y’ = x”y’ + x’y” = xy’ + x’y = x⊕y ≠x⊙y
Therefore option (D) is false.
This explanation is provided by Chirag Manwani.
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Last Updated :
20 Sep, 2021
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