Question

Draw circuit diagram for
PQ+QR (Q+R)

Answer 1

Step-by-step explanation:

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P+

P

ˉ

Q where P and Q are the inputs of the logic circuit,

Let Y=P+

P

ˉ

Q

=P(1)+

P

ˉ

Q

=P(1+Q)+

P

ˉ

Q ∵1+X=1

=P+PQ+

P

ˉ

Q

=P+Q(P+

P

ˉ

) ∵

X

ˉ

+X=1

=P+Q

P

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