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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a reference bit?
💡 Hint: Think about the state of the page.
Question 2
Easy
What happens to the reference bits at regular time intervals?
💡 Hint: It has to do with tracking usage over time.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a reference bit signify?
- It indicates if a page is dirty
- It shows if a page was accessed
- It points to next page
💡 Hint: Look for what the bit tracks regarding usage.
Question 2
T/F: A dirty page must be written back to the disk before replacement.
- True
- False
💡 Hint: Consider what it means for a page to be modified.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a sequence of page accesses (1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5), analyze this using both Approximate LRU and the Clock Algorithm with 3 page frames, detailing each replacement and outcome.
💡 Hint: Keep track of each page frame and note down hits and misses.
Question 2
Explain how increasing the number of page frames can lead to Belady's anomaly using a practical example of two different frame setups and compare the resulting page faults.
💡 Hint: Consider what pages get replaced in your examples.
Challenge and get performance evaluation