To get an output $Y=1$ in given circuit which of the following input will be correct

To get an output $Y=1$ in given circuit which of the following input will be correct

1. A-1, B-0, C-0
2. A-1, B-0, C-1
3. A-1, B-1, C-0
4. A-0, B-1, C-0

Solution

Here $Y=(A+B) \cdot C$ Truth Table $C$ should be 1 either $A$ and $B$ or both $A$ and $B$ are 1 Therefore, $A=1, B=0, C=1$

Asked in: NEET 2012 (Mains)

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