Please explain the entire process, I want to learn. Thank you

The following block diagram illustrates the refined version of the hardware utilized for multiplying two n-bit signed integers Multiplicand n bits n bits add, sub (n-1)-bit ALU n bits sign HI LO shift right Control write 2n bits LO[0] Complete the following table to compute the product of (1100) * (01012) Iteration 0 Multiplicand Sign Product = HI, LO 1 N 3 The following block diagram illustrates the refined version of the hardware utilized for multiplying two n-bit signed integers Multiplicand n bits n bits add, sub (n-1)-bit ALU n bits sign HI LO shift right Control write 2n bits LO[0] Complete the following table to compute the product of (1100) * (01012) Iteration 0 Multiplicand Sign Product = HI, LO 1 N 3