Boolean Algebra and Logic Simplification

Q1: The Boolean expression C + CD is equal to ________.

A C

B D

C C+D

D 1

ANS:A - C

C+CD = C(1+D)
= C.1 (1+A=1 and here we have 1+D which is also equal to 1 According to rule)
= C.
Hence proved.

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