PLEASE HELP ME WITH QUESTION 9 A AND B QUESTION ASAP PLEASE

Question 9 (10 points) Give the output over a series of input values: (This looks long, but it's not) a) Consider the 4-bit shift register with parallel load shown below. Complete the table based off of the input values given, assuming Q_30_20_12_0 = 1000 at timestep 0. 13 12 Il 10 Shift Right IL Shift Left Load Input No Change IR 3210 MUX 3210 MUX 3210 MUX 3210 MUX Si SO D3 Q3 -D2 Q2 DI Q1 DO Q0 Clk Y3 Y2 YI YO S1 SO IL Time step IR 13 12 11 10 Y1 Action taken 1 1 D 1 1 Clk Y3 Y2 Y1 YO SO IL IR 13 12 11 10 Y1 Time S1 step Action taken 1 0 1 1 0 1 0 1 1 2 1 0 0 1 0 0 0 0 1 1 0 0 0 1 1 1 0 0 1 3 4 0 1 1 0 1 1 0 0 b) Consider an 8-3 encoder, with input lines 10 - 17. Complete the table below S2 S1 SO Timestep Active input line 1 14 2 11