5. (20) The memory unit of a computer has IM words of 32 bits each. The computer has an instruction format with 4 fields
Posted: Fri May 20, 2022 3:03 pm
5. (20) The memory unit of a computer has IM words of 32 bits each. The computer has an instruction format with 4 fields: an opcode field; a mode field to specify 1 of 7 addressing modes; a register address field to specify one of 30 registers; and a memory address field. Assume an instruction is 32 bits long. Answer the following: a) How large must the mode field be? b) How large must the register field be? c) How large must the address field be? d) How large is the opcode field?