What type of register would shift a complete binary number in one bit at a time and shift all the stored bits out one bit at a time?

What type of register would shift a complete binary number in one bit

1.	What type of register would shift a complete binary number in one bit at a time and shift all the stored bits out one bit at a time?
A.	PIPO
B.	SISO
C.	SIPO
D.	PISO
Answer» C. SIPO