Practice Page Faults (14.1) - Page Faults - Computer Organisation and Architecture

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9 questions

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6 sample questions

Question 1.
What occurs during a page fault?
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Think about what happens when you try to access a document that isn't on your desk.
Question 2.
What does a page table store?
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Consider it like a directory that links locations in virtual memory to real memory.
3Question 3.
What does a page fault indicate?
- The required data is in memory.
- The required data needs to be fetched from disk.
- The program has encountered an error.
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Consider what happens when the system can't find a file.
4Question 4.
True or False: A valid page table entry always indicates that the page is in memory.
- True
- False
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Think about what a 'valid' status means.
Question 5.
Given m = 5 ms per instruction, n = 20 ms when a page fault happens, and a page fault occurs every 10 instructions, calculate the effective instruction time.
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Calculate the total time for 10 instructions, considering the fault.
Question 6.
Explain how the frequency of page faults can impact overall application performance.
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Think about the impact of interruptions during tasks.

5 more questions in this section. Enroll free to practise them all.