10 Questions
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?
If any data in the page has been modified.
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?
It is simpler to implement.
What is the purpose of a Translation Lookaside Buffer (TLB)?
To provide fast address translation.
Why is the TLB invalidated on context switches?
Because it is shared by all processes.
What is stored in a fully associative TLB?
Frame numbers, not data.
What is the purpose of permission bits in each page table entry?
To control access to the page.
What happens when a page is not found in the TLB?
The page table is checked, and a new entry is saved in the TLB.
What is the typical size range of a TLB?
16 to 512 entries.
This quiz covers the motivation and overview of virtual memory, including address translation, page replacement, and fast translation using TLB. Learn how virtual memory addresses the limitations of main memory and allows for larger total memory requirements.
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