EC > GATE 2026 > Shift Registers
A shift-left Shift Register (SR) and a D flip-flop are connected to a synchronized clock as shown in the Figure. Assume that the SR and D flip-flops are initially cleared and the XOR gate has no propagation delay.
Which of the following options gives the correct binary representation (b7b6b5b4b3b2b1b0) of the content of the shift register immediately after the 5th clock transition (positive edge)?
A
00011111
B
10111111
C
00111111
D
11000011

Correct :

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