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Systems architecture

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Question 15

A Central Processing Unit (CPU) continuously performs the Fetch-Decode-Execute cycle to process program instructions.

Describe what happens during the Decode and Execute stages of this cycle.

a.

Decode stage:

[1]
b.

Execute stage:

[1]
Markscheme

Systems architecture Questions

  1. GCSE
  2. /Computer Science
  3. /Systems architecture

37 exam-style questions on AQA GCSE Computer Science Systems architecture. Each one has a worked solution and a mark scheme showing where the marks go.

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