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JEE PYQ: Semiconductors Question 19

Question 19 - 2020 (04 Sep 2020 Shift 2)

Identify the operation performed by the circuit given below:

(1) NAND

(2) OR

(3) AND

(4) NOT

Show Answer

Answer: (3)

Solution

When two inputs of a NAND gate are shorted, it behaves like a NOT gate. Analyzing the full circuit with truth table shows $y = A \cdot B \cdot C$ — an AND gate.


Learning Progress: Step 19 of 46 in this series