Practice Fetch (4.8.1) - Addressing Techniques and Control Unit Design
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Fetch

Practice - Fetch

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Program Counter (PC) do?

💡 Hint: Think about how the CPU knows where to go next.

Question 2 Easy

What happens to the PC after an instruction is fetched?

💡 Hint: Remember the operation we discussed in class!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What operation retrieves the instruction from memory during the fetch phase?

IR ← M[PC]
PC ← PC + 1
M[PC] ← IR

💡 Hint: Think about where the instruction goes after it’s fetched.

Question 2

True or False: The Program Counter is not updated after an instruction is fetched.

True
False

💡 Hint: Consider the role of the PC in fetching processes.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Write a mini-report discussing what happens during the Fetch operation and why it is vital in CPU processing.

💡 Hint: Discuss the implications of errors occurring during this phase.

Challenge 2 Hard

Analyze a case where the CPU continuously fetches the same instruction due to a faulty PC. Discuss potential system behavior.

💡 Hint: Consider how this affects program execution and the overall system performance.

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