The output will be logic ‘1’ only if all the inputs are ‘0’. Which gate must be used to execute this condition?

The output will be logic ‘1’ only if all the inputs are ‘0’.

1.	The output will be logic ‘1’ only if all the inputs are ‘0’. Which gate must be used to execute this condition?
A.	AND gate
B.	NAND gate
C.	NOR gate
D.	EX-OR gate
Answer» C. NOR gate