Practice - Dirty Pages in Replacement
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Practice Questions
Test your understanding with targeted questions
What is a dirty page?
💡 Hint: Think about what happens when data in a page changes.
Explain what a reference bit is.
💡 Hint: Consider how the OS tracks whether a page is in use.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens when a dirty page is replaced?
💡 Hint: Think about the implications of data changes.
True or False: A clean page needs to be written back before replacement.
💡 Hint: Remember the definition of clean vs dirty pages.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
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