Digital Electronics

Q1:
For AB + A C + BC = AB + A C the dual form is

A
(A + B) (A + C)(B + C) = (A + B)(A + C)

B
(A + B ) (A + C)(B + C) = (A + B)(A + C)

C
(A + B) (A + C) (B + C) = (A + B) (A + C)

D none of the above

ANS:A -

(A + B) (A + C)(B + C) = (A + B)(A + C)

Change OR to AND and vice versa.



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