Check sibling questions

Correct the following boolean statements:

(1) X+1 = X

(2) (A’)’ = A’

(3) A+A’ = 0

(4) (A+B)’ = A.B

 

Answer:

1. X+1 = X            (Annulment law)

    X+0 = X            (Identity law)

2. (A’)’ = A            (Inversion law)

3. A+A’ = 1           (Complement law)

   A.A’ = 0             (Complement law)

4. (A+B)’ = A’.B’   (DeMorgan’s second law)

 

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.