Question

Correct the following boolean statements:

(i) X + 1 = X

(ii) (A')' = A

(iii) A + A' = 0

(iv) (A + B)' = A'.B'

Answer 1

(i) X + 1 = X or X + 0 = X

(ii) {(A)} = A

(iii) A + A' = 1 or A . A' = 0

(iv) (A + B)' = A' . B'