Practice Stage 5: Memory Operand Fetch - 13.1.5 | 13. Instruction Fetch and Execution | Computer Organisation and Architecture - Vol 2
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Stage 5: Memory Operand Fetch

13.1.5 - Stage 5: Memory Operand Fetch

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Memory Address Register (MAR) do?

💡 Hint: Think about how the CPU knows where to look for data.

Question 2 Easy

Explain the role of the Memory Data Register (MDR).

💡 Hint: Consider it as a temporary storage for data in transit.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main purpose of the Memory Operand Fetch stage?

To execute an instruction
To fetch the operand from memory
To increment the program counter

💡 Hint: Consider the step that allows the CPU to access data.

Question 2

True or False: The MDR holds the address of the memory location.

True
False

💡 Hint: Think about what the different registers store.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how a processor can optimize its memory operand fetch when faced with high-frequency access to the same data.

💡 Hint: Think about methods that reduce access time.

Challenge 2 Hard

You have two different CPU cores trying to read the same operand from memory. Discuss potential issues and resolutions.

💡 Hint: Consider how two requests may interact.

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Reference links

Supplementary resources to enhance your learning experience.