Q28

MCQ2 marks, −0.67

Given $f(w, x, y, z) = \Sigma_m(0,1, 2, 3, 7, 8, 10) + \Sigma_d(5, 6, 11, 15)$ ; where $d$ represents the 'don't-care' condition in Karnaugh maps. Which of the following is a minimum product-of-sums (POS) form of $f(w, x, y, z)$ ?

(A)

$f=(\bar{w}+\bar{z}) (\bar{x}+z)$

(B)

$f=(\bar{w}+z) (x+z)$

(C)

$f=(w+z) (\bar{x}+z)$

(D)

$f=(w+\bar{z}) (\bar{x}+z)$

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