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Question 21

Some registers within the CPU are general-purpose whilst others perform a specific function. One register is the Memory Address Register (MAR).

Describe the role of the Memory Address Register (MAR) during the fetch stage of the Fetch-Decode-Execute cycle.

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Hardware Questions

  1. IGCSE
  2. /Computer Science
  3. /Hardware

33 exam-style questions on Edexcel IGCSE Computer Science Hardware. Each one has a worked solution and a mark scheme showing where the marks go.

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