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2 cards from this section. Quick, good the night before a test.
What does FIFO stand for?
Remember about the oldest page.
How does the Second Chance algorithm differ from FIFO?
Think about how it treats recently accessed pages.
What does LRU stand for?
It focuses on usage history.
Is the Optimal page replacement algorithm practical to implement?
Consider how we predict future accesses.
Given a reference string and four page frames, simulate both FIFO and LRU algorithms to determine the number of page faults for each.
Track the page frame changes step by step.
Design a hybrid page replacement strategy combining elements of FIFO and Second Chance, then explain its advantages.
Think about user access patterns.
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