Question: 1 . How does the use of virtual memory improve system utilization? 2 . What is demand paging? 3 . Why is the principle of

1. How does the use of virtual memory improve system utilization?
2. What is demand paging?
3. Why is the principle of locality crucial to the use of virtual memory?
4. Which considerations determine the size of a page?
5. What is the purpose of a translation lookaside buffer?
6. What are the drawbacks of using either only a precleaning policy or only a demand cleaning policy?
7. Explain thrashing.
8. What is the relationship between FIFO and clock page replacement algorithms?
9. How is a page fault trap dealt with?
10. Why is it not possible to combine a global replacement policy and a fixed allocation policy?

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