The content of a 4-bit register is initially 1011. The register is shifted six t
ID: 3726873 • Letter: T
Question
The content of a 4-bit register is initially 1011. The register is shifted six times to the right, with the serial input (SI) being 110011. What is the content of the register after each shift? (Fill the table below.)
Q3 Q2 Q1 Q0
Initial content of register
1 0 1 1
Content after first shift
Content after second shift
Content after third shift
Content after fourth shift
Content after fifth shift
Content after sixth shift
Q3 Q2 Q1 Q0
Initial content of register
1 0 1 1
Content after first shift
Content after second shift
Content after third shift
Content after fourth shift
Content after fifth shift
Content after sixth shift
Explanation / Answer
Q3 Q2 Q1 Q0
Initial content of register
1 0 1 1
Content after first shift
0 1 0 1
Content after second shift
0 0 1 0
Content after third shift
0 0 0 1
Content after fourth shift
0 0 0 0
Content after fifth shift
0 0 0 0
Content after sixth shift
0 0 0 0
After 6 shift the register becomes zero.
Q3 Q2 Q1 Q0
Initial content of register
1 0 1 1
Content after first shift
0 1 0 1
Content after second shift
0 0 1 0
Content after third shift
0 0 0 1
Content after fourth shift
0 0 0 0
Content after fifth shift
0 0 0 0
Content after sixth shift
0 0 0 0
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