Practice Relocation And Page Mapping (9.1.8) - Basics of Virtual Memory and Address Translation

Practice: Relocation and Page Mapping

Lesson 9.1.8Basics of Virtual Memory and Address Translation

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10 questions

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6 sample questions

Question 1.
What is virtual memory?
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Think about how memory can be optimized beyond RAM.
Question 2.
What happens during a page fault?
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Consider what happens when data isn't found in the expected location.
3Question 3.
What does virtual memory allow a computer to do?
- Use external storage as additional memory
- Only run one program at a time
- Avoid using any hard drives
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Consider how memory can be optimized.
4Question 4.
True or False: A page fault means that the required page is currently in physical memory.
- True
- False
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Revisit the definition of a page fault.
Question 5.
Given a physical memory of 256 MB and a virtual memory space of 4 GB, calculate the number of page frames and virtual pages if the page size is 4 KB.
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Use the size of the physical and virtual memory alongside the page size to determine frames/pages.
Question 6.
Discuss the potential issues that could arise in a system with frequent page faults. How would this affect performance?
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Consider the impacts on CPU and system efficiency.

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