Modify the 4-bit universal shift register (refer to Figure 1 at https://www.electrical4u.com/ universal-shift-registers/) by adding the following operations i) Arithmetic Shift Right, ii) Flip All Bits, iii) Set to Most Positive Value, iv) Set to Most Negative Value (assume 2's complement numbers) Parallel Input Bits Bn Serial input for left-shift erial input night-shift r 3 21 0 4x1 3 210 4x 1 3 21 0 4x1 3 2 1 0 4x1 3 2 1 4x1 S1 MUX Dy Di D2 Dot FFn1 Clock Clka an Clear Parallel Output Bits Figure 1 n-bit Universal Shift Register