Practice Instruction Execution Overview (12.4) - Fetch Cycle - Computer Organisation and Architecture - Vol 1
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Instruction Execution Overview

Practice - Instruction Execution Overview

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Program Counter (PC) do?

💡 Hint: Think of it as a navigation guide for the CPU.

Question 2 Easy

What is the purpose of the Memory Address Register (MAR)?

💡 Hint: Consider how you find a book in a library.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of the Program Counter (PC)?

Holds the current instruction
Tracks the next instruction address
Stores result data

💡 Hint: Consider what guides the CPU on what to do next.

Question 2

True or False: The MBR immediately executes the instruction upon fetching.

True
False

💡 Hint: Think about the purpose of buffering in data handling.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Describe a scenario where the CPU tries to simultaneously read and write to the same register during the fetch cycle. What could be the outcome?

💡 Hint: Consider the implications of having conflicting operations in a resource.

Challenge 2 Hard

Explain how the fetch cycle can be optimized in a modern CPU to minimize instruction retrieval time.

💡 Hint: Think of parallels in optimizing assembly lines for efficiency.

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