GATE | GATE-CS-2005 | Question 90

The switching expression corresponding to f(A, B, C, D) = Σ (1, 4, 5, 9, 11, 12) is
(A) BC’D’ + A’C’D + AB’D
(B) ABC’ + ACD + B’C’D
(C) ACD’ + A’BC’ + AC’D’
(D) A’BD + ACD’ + BCD’


Answer: (A)

Explanation:
42

 

On solving above k-map we get AB’D+C’D+BC’D’



So Ans is (A) part.

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