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Combinational Logic Analysis - Technical MCQs

Q1:

One possible output expression for an AND-OR-Invert circuit having one AND gate with inputs A, B, and C and one AND gate with inputs D and E is ________.

A

B

C

D

ANS:C -

According to De morgan's Theorem States that: (AB)' = A'+B' and (A+B)' = A'B'.

So therefore (ABC)' = A'+B'+C' and (DE)' = D'+E'. So option C is correct.