Practice Combinations Of Events (14.3.2) - Page Faults - Computer Organisation and Architecture - Vol 3

Practice: Combinations of Events

Lesson 14.3.2Page Faults

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8 questions

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6 sample questions

Question 1.
What is a page fault?
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Consider what happens when a program needs data that’s not in RAM.
Question 2.
What does a valid bit indicate?
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Think about how it relates to the page table.
3Question 3.
What happens during a page fault?
- The OS aborts the process
- The page is loaded from disk
- The data is accessed directly from RAM
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Think about what action the OS takes when the page is not available.
4Question 4.
True or False: When a TLB hit occurs, we always access the page table.
- True
- False
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Consider how caching optimizes memory access.
Question 5.
In a programming environment, if the effective instruction time with page faults every 10 instructions is 2 ms and 5 ms respectively, what is the effective time per instruction?
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Utilize the average formula for timing calculations.
Question 6.
Consider a scenario where you experience a TLB hit followed by a cache miss. Explain the steps the OS would go through to resolve this and the potential performance impact.
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Focus on the interaction between TLB, page table, and cache.

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