Q30

MCQ2 marks, −0.67

Consider the two cascade $2$ to $1$ multiplexers as shown in the figure .

The minimal sum of products form of the output $X$ is

(A)

$\overline{P} \ \overline {Q}+PQR$

(B)

$\overline{P} \ {Q}+QR$

(C)

$PQ +\overline{P} \ \overline{Q}R$

(D)

$\overline{Q} \ \overline{R} + PQR$

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