Question #3 4 iwords of 32 A computer uses a memory unit w bits each. A binary instruction of memory. The instruction has four parts: an indirect bit, an operation code, a register code part to specify one of 128 registers, and an address part. code is stored in one word a) 2 marks] How many bits are there in the operation code, the register code part and the address part? b) [1 mark] Draw the instruction word format and indicate the number of bits in each part. mark] How many bits are there in the data and address inputs of the memory? c) The following control inputs are active in the bus shown in figure. For each case, specify the register transfer that wl be executed during the next clock transition system S, S LD of ALU DR AR DR AC. DR Read 110 10 0 Write ransfer DR