GATE | GATE-CS-2004 | Question 90

The Boolean function x’y’ + xy + x’y is equivalent to
(A) x’ + y’
(B) x + y
(C) x + y’
(D) x’ + y


Answer: (D)

Explanation: x’y’+xy+xy’

=(x’y’+y(x+x’))

=x’y’+y

=x’+y

Ans (d)

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