In a 4 bit parallel in parallel out shift register A = 1, B = 1, C = 0, D = 1. The data output after 3 clock pulses is

In a 4 bit parallel in parallel out shift register A = 1, B = 1, C = 0

1.	In a 4 bit parallel in parallel out shift register A = 1, B = 1, C = 0, D = 1. The data output after 3 clock pulses is
A.	1101
B.	1001
C.	101
D.	1
Answer» B. 1001