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Boolean Algebra and Logic Simplification - Technical MCQs

Q1:

Derive the Boolean expression for the logic circuit shown below:

A

B

C

D

ANS:A -

OR GATE OP=(A+B)
1ST AND OP=(A+B)C
2ND AND OP=[(A+B)C]D
3RD AND OP=[(A+B)C]D)E
ANS: [(A+B)C]D)E ....{AFTER SIMPLIFICATION}