GATE | GATE CS 2012 | Question 65

The truth table

represents the Boolean function
(A) X
(B) X+Y
(C) X xor Y
(D) Y

Answer: (A)

Explanation: The value of f(X, Y) is same as X for all input pairs.

We see from truth table –

Column x= f(x,y)

So , f(x,y)=x

Ans is (A) part.

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