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Question
In a 4 bit serial in - parallel out right shift register shown in figure below. After four clock pulses are applied the content of the shift register will be
In a 4 bit serial in - parallel out right shift register shown in figure below. After four clock pulses are applied the content of the shift register will be
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Solution
The correct option is C 1101
At pulse 1
Input : 0 1 1 0
Output : 1 0 1 1
At Pulse 2
Input : 1 0 1 1
Output : 0 1 0 1
At pulse 3
Input : 0 1 0 1
Output : 1 0 1 0
At pulse 4
Input : 1 0 1 0
Output : 1 1 0 1
At pulse 1
Input : 0 1 1 0
Output : 1 0 1 1
At Pulse 2
Input : 1 0 1 1
Output : 0 1 0 1
At pulse 3
Input : 0 1 0 1
Output : 1 0 1 0
At pulse 4
Input : 1 0 1 0
Output : 1 1 0 1
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