A bidirectional 4-bit shift register is storing the nibble 1110. Its input is LOW. The nibble 0111 is waiting to be entered on the serial data-input line. After two clock pulses, the shift register is storing ________
(a) 1110
(b) 0111
(c) 1000
(d) 1001
I had been asked this question in a national level competition.
The above asked question is from Shift Register Counters topic in division Registers of Digital Circuits