A universal logic gate is one which can be used to generate any logic function. Which of the following is a universal logic gate?

A universal logic gate is one which can be used to generate any logic

1.	A universal logic gate is one which can be used to generate any logic function. Which of the following is a universal logic gate?
A.	OR
B.	AND
C.	XOR
D.	NAND
Answer» E.