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Systems architecture

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Question 14

Describe the role of each of the following components of a CPU:

  • Arithmetic Logic Unit (ALU)
  • Program Counter (PC)
  • Memory Address Register (MAR)
[3]
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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