Which logic gate with inputs $\mathrm{A}$ and $\mathrm{B}$ performs the same operation as that performed by…

Which logic gate with inputs $\mathrm{A}$ and $\mathrm{B}$ performs the same operation as that performed by the following circuit?

1. NAND gate
2. OR gate
3. NOR gate
4. AND gate

Solution

When either of $A$ or $B$ is 1 i.e. closed then lamp will glow. In this case, Truth table

Asked in: JEE Main 2012 (07 May Online)

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