Book Computer Organization Carl Hamacher 6th Edition 519 D

Book: Computer Organization - Carl Hamacher (6th Edition)

5.19 [D] What are the essential differences between the hardware structures in Figures 5.8 and
5.22? Illustrate your answer by identifying the difficulties that would be encountered if one
attempts to execute the instruction
Subtract LOC, R5
on the hardware in Figure 5.8. This instruction performs the operation
LOC [LOC] [R5]
where LOC is a memory location whose address is given as the second word of a two-word
instruction.

Solution

the instructions are all performing through each instruction together and it contains more steps whereas there are less steps to perform and the smaller amount of steps so go into the same interconnection