GATE | GATE CS 2008 | Question 5

In the Karnaugh map shown below, X denotes a don\’t care term. What is the minimal form of the function represented by the Karnaugh map?

A)   


B) 

C) 

D)  

(A)

A

(B)

B

(C)

C

(D)

D

Answer: (A)
Explanation:

One group consists of (0000, 0010, 1000, 1010) which gives b’d’ Other group is (0000, 0001, 1000, 1001) which gives a’d’ So, solution is b’d’ + a’d’

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