Practice Sampled Lru Algorithm (17.4.2) - FIFO Page Replacement - Computer Organisation and Architecture - Vol 3

Practice: Sampled LRU Algorithm

Lesson 17.4.2FIFO Page Replacement

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10 questions

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6 sample questions

Question 1.
What happens during a page fault?
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Think about what it means when data is not available in RAM.
Question 2.
Define what an epoch is in the context of the Sampled LRU algorithm.
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Consider how time intervals may help in tracking page usage.
3Question 3.
What is the primary purpose of a page replacement algorithm?
- To keep more pages in memory
- To optimize page faults
- To track hardware performance
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Consider what happens when data is not located in RAM.
4Question 4.
True or False: The Sampled LRU algorithm reduces tracking overhead by only sampling pages periodically.
- True
- False
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Think about how frequently tracking can slow down performance.
Question 5.
Given a series of page references: 2, 0, 1, 6, 4, 2, 0, 1, 6, 4, 0, 1, 0, 3, 1, 2, 1 with 4 page frames, calculate the page fault rate for Sampled LRU.
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Count the number of page faults you experience and divide it by the total references.
Question 6.
Compare the performance impact of using FIFO versus Sampled LRU in a heavily accessed system.
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Evaluate which algorithm allows more flexibility based on access patterns.

6 more questions in this section. Enroll free to practise them all.