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Systems ArchitectureMedium Exam FrequencyOCR

Fetch-Decode-Execute Cycle

Revise Fetch-Decode-Execute Cycle in Systems Architecture for GCSE Computer Science with 15 exam-style questions and 12 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

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1

The Restaurant Order System

Introduction2

Fetch-Decode-Execute Cycle

Diagram3

Deep Dive: The Heartbeat of Computing

Deep Dive4

Stage 1: FETCH - "Get the Instruction"

Key Facts5

Stage 2: DECODE - "Understand the Instruction"

Key Facts6

Stage 3: EXECUTE - "Do the Instruction"

Key Facts7

The Complete FDE Cycle

Diagram8

FDE Stage Comparison

Comparison9

Exam Tips - FDE Cycle

Exam Tips

Sample Flashcards

What does FDE stand for?
Fetch-Decode-Execute
What are the three stages of the FDE cycle?
Fetch, Decode, Execute (repeats continuously)

Sample Questions

What does FDE stand for in computer science?

  • A. Find, Delete, Execute
  • B. Fetch, Decode, Execute
  • C. Fetch, Decode, Evaluate
  • D. Format, Decode, Execute
1 markfoundation

Describe the three stages of the FDE cycle.

3 marksstandard

15

exam-style questions

12

revision flashcards

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