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Question: Answered & Verified by Expert
To get an output $Y=1$ in given circuit which of the following input will be correct
PhysicsSemiconductorsNEETNEET 2012 (Mains)
Options:
  • A A-1, B-0, C-0
  • B A-1, B-0, C-1
  • C A-1, B-1, C-0
  • D A-0, B-1, C-0
Solution:
2220 Upvotes Verified Answer
The correct answer is: A-1, B-0, C-1
Here $Y=(A+B) \cdot C$
Truth Table


$C$ should be 1 either $A$ and $B$ or both $A$ and $B$ are 1
Therefore, $A=1, B=0, C=1$

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