If the output of the OR gate is connected to both inputs of the NAND gate, then this combination acts as a ……….

Options

A. OR gate
B. NOT gate
C. NOR gate
D. AND gate

Answer

C

Explanation

NOR gate

which is the equation of NOR gate.
Second method:
`y=bar(y.*y.)`
`=bar((A+B)*(A+B))=bar(A+B)`
which is the boolean equation of NOR gate.