Practice Lifo Vs Optimal Page Replacement (19.6.1) - Approximate LRU Implementation
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LIFO vs Optimal Page Replacement

Practice - LIFO vs Optimal Page Replacement

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does LIFO stand for?

💡 Hint: Think about which item gets removed first!

Question 2 Easy

In the page replacement context, what is a clean page?

💡 Hint: Consider pages that have or have not been modified.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does LIFO stand for?

Last In
First Out
Least Frequently Used
Least Recently Used

💡 Hint: What happens to the pages that are added last?

Question 2

True or False: Optimal page replacement always results in fewer page faults than LIFO.

True
False

💡 Hint: Think about which method yields better efficiency.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a sequence of page requests and a FIFO strategy, identify the total page faults with 3 frames versus 4 frames.

💡 Hint: Keep track of how many frames are filled and what keeps getting evicted.

Challenge 2 Hard

How would using an optimal algorithm analyze the page requests differently than a LIFO approach?

💡 Hint: Consider how future knowledge changes your decision-making.

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