[Solved]Question 7 Sets Dirty Bit Page Descriptor Page Table Process Owns Page Interrupt Controlle Q37164257
QUESTION 7
- Who sets the dirty bit of a page descriptor in thepage table?
The process that owns the page.
The interrupt controller.
The operating system.
The MMU.
QUESTION 8
- What is the essence of Belady’s anomaly?
Increasing the number of RAM frames results in an increase inthe number of page faults for a given memory access pattern.
Choosing the page for replacement that was most frequently usedresults in an increase in the number of page faults.
Increasing the number of RAM frames results in a decrease in thenumber of page faults for a given memory access pattern.
Choosing the page for replacement that was least recently usedresults in a decrease in the number of page faults.
QUESTION 9
- Which page is chosen for replacement by the clock (“secondchance”) page replacement algorithm?
The page with the clear (0) used bit that is referencedby the algorithm pointer.
Any page with the clear (0) used bit.
The page that is referenced by the algorithm pointer.
Any page with the set (1) used bit (the bit is resetbefore the replacement).
Expert Answer
Answer to QUESTION 7 Who sets the dirty bit of a page descriptor in the page table? The process that owns the page. The interrupt … . . .
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