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Digital Electronics - Engineering

Q1:

In the given figure shows a logic circuit. The minimum Boolean expression for this circuit is

A A + B

B A + B + C

C AB + C

D AB + AC + BC

ANS:B - A + B + C

Output A(B + C) + AB + C(A + B) = AB + AC + AB + AC + BC = B + A + BC = A + B + C.