Practice Comparison Of Frames (20.1.3) - Belady's Anomaly - Computer Organisation and Architecture - Vol 3
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Comparison of Frames

Practice - Comparison of Frames

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is Belady's anomaly?

💡 Hint: Think about what happens to page faults with more frames.

Question 2 Easy

Name two page replacement algorithms.

💡 Hint: Consider popular algorithms used in operating systems.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is Belady's anomaly?

Increased memory
Increased page faults with more frames
Decreased page faults

💡 Hint: Think about how frames relate to page faults.

Question 2

True or False: LRU algorithm can experience Belady's anomaly.

True
False

💡 Hint: Reflect on the nature of how LRU keeps track of page usage.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a reference string, calculate the page faults with 3 and 4 frames. Explain how the results illustrate Belady's anomaly.

💡 Hint: Track each page reference and keep note of hits and misses.

Challenge 2 Hard

Propose a modified version of the LRU algorithm that could potentially enhance frame efficiency.

💡 Hint: Think about how future access might affect current page decisions.

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