Identify the correct sequence of steps A-D followed by the CPU as it processes…
2026
Identify the correct sequence of steps A-D followed by the CPU as it processes each instruction in a program.
A. Store
B. Decode
C. Fetch
D. Execute
Choose the correct answer from the options given below:
- A.
D, C, A, B
- B.
C, B, D, A
- C.
B, C, D, A
- D.
A, D, B, C
Attempted by 203 students.
Show answer & explanation
Correct answer: B
The CPU instruction cycle follows a standard sequence. First, the Fetch step (C) retrieves the instruction from memory. Next, Decode (B) interprets the instruction. Then, Execute (D) performs the operation. Finally, Store (A) saves the result. The correct order is Fetch, Decode, Execute, Store.