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FDE Stage Comparison

Part of Fetch-Decode-Execute Cycle — GCSE Computer Science

This comparison covers FDE Stage Comparison within Fetch-Decode-Execute Cycle for GCSE Computer Science. 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 still be part of a steady revision cycle. It is section 8 of 9 in this topic. Use this comparison to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 8 of 9

Practice

15 questions

Recall

12 flashcards

FDE Stage Comparison

Stage What Happens Registers Changed Component
FETCH Get instruction from memory PC (increments), MAR, MDR, CIR Control Unit + Memory
DECODE Interpret instruction meaning None Control Unit
EXECUTE Perform the operation ACC (if calculation), PC (if branch) ALU or CU

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Read this section alongside the surrounding pages in Fetch-Decode-Execute Cycle. That gives you the full topic sequence instead of a single isolated revision point.

The Complete FDE CycleExam Tips - FDE CycleThe Restaurant Order SystemFetch-Decode-Execute Cycle

Practice Questions for Fetch-Decode-Execute Cycle

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

Quick Recall Flashcards

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

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