Which of the following best describes Fetch-decode-execute cycle?
Difficulty: Easy
About this MCQ
This Easy Computer Architecture MCQ checks one syllabus fact.
The question is: “Which of the following best describes Fetch-decode-execute cycle?”
The accepted answer is D. The basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.. Fetch-decode-execute cycle refers to the basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.
- A. The rate at which a processor executes instructions, measured in cycles per second.
Why not A: “The rate at which a processor executes instructions, measured in cycles per second.” is not correct. The accepted answer is D. The basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.. Fetch-decode-execute cycle refers to the basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.
- B. A small, extremely fast storage location within the CPU used to hold data during processing.
Why not B: “A small, extremely fast storage location within the CPU used to hold data during processing.” is not correct. The accepted answer is D. The basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.. Fetch-decode-execute cycle refers to the basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.
- C. A CPU design that can execute more than one instruction during a single clock cycle.
Why not C: “A CPU design that can execute more than one instruction during a single clock cycle.” is not correct. The accepted answer is D. The basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.. Fetch-decode-execute cycle refers to the basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.
- D. The basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them. ✓
Correct answer
D. The basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.
Explanation
Fetch-decode-execute cycle refers to the basic operational process a CPU repeats to run instructions: fetching, decoding, and executing them.
Source: Computer Architecture Official Reference Guide
Tags: computer science, hardware, computer architecture, CPU design
Submitted by: MCQsHub Editorial
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