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