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Questions and Answers
In a pure demand paged system, when is a page brought into memory?
In a pure demand paged system, when is a page brought into memory?
- When needed (correct)
- Before it is needed
- Randomly
- After a page fault occurs
Which system call initiates copy on write?
Which system call initiates copy on write?
- exec()
- wait()
- vfork() (correct)
- fork()
What is the simplest page replacement algorithm?
What is the simplest page replacement algorithm?
- OPT
- FIFO (correct)
- Second Chance
- LRU
Which page replacement algorithm operates by replacing the page that will not be used for the longest period of time?
Which page replacement algorithm operates by replacing the page that will not be used for the longest period of time?
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What term describes the set of pages a process is currently referencing?
What term describes the set of pages a process is currently referencing?
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Approximation algorithms are commonly used in implementing which page replacement policy?
Approximation algorithms are commonly used in implementing which page replacement policy?
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Shared memory is typically implemented using which technique?
Shared memory is typically implemented using which technique?
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What term is used to describe when a process spends more time paging than executing?
What term is used to describe when a process spends more time paging than executing?
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