Question

Name the law given by the Boolean expression P + P.Q = P
?​

Answer 1

Answer:

absorption law

Answer 2

Explanation:

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

Hence the following expression represents OR gate