Chapter 1.2, Problem 1.4CP

Explanation of Solution

Steps involved in the fetch/ decode/ execute cycle:

The program is the set of rules stored in the memory. CPU (Central Processing Unit) is engaged when a computer runs a program that is officially called as fetch/decode/execute cycle.

Fetch:

• The next instruction is fetched by the control unit from the main memory and it is stored in the instruction register.
• Finally, at the end of fetch operation, PC (Program Counter) points to the next instruction that will be read at the decode cycle.

Decode:

• The next operation in the instruction cycle is decoding operation, which is performed...