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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does LRU stand for?
💡 Hint: Think about what the acronym LRU represents.
Question 2
Easy
What is the main goal of LRU?
💡 Hint: Remember why we want to replace certain pages.
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 LRU stand for?
- Least Recently Utilized
- Least Recently Used
- Last Recently Used
💡 Hint: Think about what 'LRU' emphasizes regarding page usage.
Question 2
True or False: LRU can sometimes perform worse than FIFO.
- True
- False
💡 Hint: Consider when older pages could be more valuable than recently used ones.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a memory system with 4 frames and the reference string [2, 3, 4, 2, 1, 3, 4, 2], identify how many page faults occur with LRU. Illustrate your answer step by step.
💡 Hint: Track the pages in memory as you make accesses from the string.
Question 2
Analyze the difference in effectiveness between LRU and FIFO using a reference string and explain under which conditions each might perform better.
💡 Hint: Consider access patterns that regress or repeat over time.
Challenge and get performance evaluation