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Questions and Answers
What happens to the Access bit for a page whenever the page is accessed?
What happens to the Access bit for a page whenever the page is accessed?
The Access bit is set.
Under what condition must a page be written back to disk?
Under what condition must a page be written back to disk?
If any data in the page has been modified.
What is the principle behind the Least Recently Used page replacement algorithm?
What is the principle behind the Least Recently Used page replacement algorithm?
Use past behavior to predict future behavior.
What is the main advantage of the FIFO page replacement algorithm?
What is the main advantage of the FIFO page replacement algorithm?
What is the purpose of a Translation Lookaside Buffer (TLB)?
What is the purpose of a Translation Lookaside Buffer (TLB)?
Why is the TLB invalidated on context switches?
Why is the TLB invalidated on context switches?
What is stored in a fully associative TLB?
What is stored in a fully associative TLB?
What is the purpose of permission bits in each page table entry?
What is the purpose of permission bits in each page table entry?
What happens when a page is not found in the TLB?
What happens when a page is not found in the TLB?
What is the typical size range of a TLB?
What is the typical size range of a TLB?
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