Fetch-Decode-Execute Cycle

Part of Fetch-Decode-Execute Cycle · Section 2 of 10

DiagramUnit: 3.4 Computer SystemsGCSE

This diagram covers Fetch-Decode-Execute Cycle within Fetch-Decode-Execute Cycle for GCSE Computer Science. Revise Fetch-Decode-Execute Cycle in 3.4 Computer Systems for GCSE Computer Science with 16 exam-style questions and 12 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 2 of 10 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Fetch-Decode-Execute Cycle

Fetch-Decode-Execute cycle diagram showing the three stages: Fetch (PC to MAR, memory to MDR to CIR, PC increments), Decode (Control Unit interprets CIR), and Execute (ALU performs operation, result to Accumulator), with arrows showing the repeating 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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