Following diagram performs the logic function of:

Following diagram performs the logic function of:

1. AND gate
2. NAND gate
3. OR gate
4. XOR gate

Solution

$\begin{aligned} & x=\overline{\mathrm{A} \cdot \mathrm{B}}, y=\bar{x}=\overline{\overline{\mathrm{A} \cdot \mathrm{B}}} \\ & \Rightarrow \text { AND-gate. } \end{aligned}$

Asked in: NEET 2003

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