The Circuit is Equivalent to

Answer: A. NAND gate

The circuit is equivalent to a NAND gate

Solution:

In the above circuit, In the first stage the inputs A&B are given to a NAND gate, then its output is fed to a NOT gate (that is constructed using a NOR gate), and again its output is given to a NOT gate, so the output Y must be same that of a NAND gate.

Hence 

The circuit is equivalent to a NAND gate.

option A is the correct answer.

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