Practice Protection Of Program's Physical Address Space (9.1.3) - Basics of Virtual Memory and Address Translation

Practice: Protection of Program's Physical Address Space

Lesson 9.1.3Basics of Virtual Memory and Address Translation

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8 questions

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6 sample questions

Question 1.
What is virtual memory?
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Think of it as a way for programs to use more memory than they have.
Question 2.
What does a page fault indicate?
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Relate it to the concept of fetching data from secondary storage.
3Question 3.
What is the main function of the Memory Management Unit?
- To manage the CPU
- Translate virtual addresses to physical addresses
- Allocate physical memory
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It deals with the relationship between virtual and physical addresses.
4Question 4.
True or False: A page fault occurs when a virtual address is accessed that resides in physical memory.
- True
- False
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Think about when a fault occurs in this context.
Question 5.
How would a computer system handle multiple page faults when running several large programs?
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Consider the strategies the OS employs under memory pressure.
Question 6.
Can you illustrate the impact of paging on system performance? Discuss both pros and cons.
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Think about how frequent page faults might affect performance.

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