Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function.

Two 2's complement number having sign bits X and Y are added and the s

1.	Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function.
A.	XYZ
B.	X Y Z
C.	X YZ + XY Z
D.	XY + YZ + ZX
Answer» E.