Practice Controlled Sharing (22.1.2) - Summary of Memory Sub-system Organization

Practice: Controlled Sharing

Lesson 22.1.2Summary of Memory Sub-system Organization

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8 questions

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6 sample questions

Question 1.
What is virtual memory?
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Think about how it extends the available memory for applications.
Question 2.
What does a page table do?
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Consider what happens when an application needs to access a memory location.
3Question 3.
What is the primary purpose of virtual memory?
- To manage CPU scheduling
- To extend memory beyond physical limits
- To enhance disk performance
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Consider why programs sometimes need more memory than what is available in RAM.
4Question 4.
True or False: Access bits in a page table allow for controlled sharing between processes.
- True
- False
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Think about protections needed in a shared memory environment.
Question 5.
If a system is experiencing severe thrashing, propose two solutions to resolve the issue, justifying each choice.
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Think about how to balance memory usage and the efficiency of program execution.
Question 6.
Design a simple system where active processes share a set of pages. Explain how access bits can be used securely.
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Consider how shared resources must remain safe from conflicting changes.

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