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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a dirty page?
💡 Hint: Think about what happens when data in a page changes.
Question 2
Easy
Explain what a reference bit is.
💡 Hint: Consider how the OS tracks whether a page is in use.
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 happens when a dirty page is replaced?
- It is discarded.
- It is written back to disk.
- It is ignored.
💡 Hint: Think about the implications of data changes.
Question 2
True or False: A clean page needs to be written back before replacement.
- True
- False
💡 Hint: Remember the definition of clean vs dirty pages.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a sequence of page accesses (1, 2, 3, 2, 4, 5, 1, 2, 4, 5) and 3 physical page frames, calculate the number of page faults using both LRU and FIFO.
💡 Hint: Graphically track memory to visualize which pages are swapped out.
Question 2
Critically analyze the performance metrics of a system using the clock algorithm versus modified clock algorithm in terms of memory usage efficiency.
💡 Hint: Focus on how each strategy affects clean vs dirty pages.
Challenge and get performance evaluation