Practice Context Switch With Page Tables In Hardware (13.2.2.1) - TLBs and Page Fault Handling

Practice: Context Switch with Page Tables in Hardware

Lesson 13.2.2.1TLBs and Page Fault Handling

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9 questions

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6 sample questions

Question 1.
What is a context switch?
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Think about switching between tasks in computing.
Question 2.
Define a page table.
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It is essential for memory management in operating systems.
3Question 3.
What does TLB stand for?
- Translation Lookup Buffer
- Translation Lookaside Buffer
- Temporary Lookup Buffer
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Think about the role of caching in system performance.
4Question 4.
True or False: A page fault occurs when data accessed is currently not in memory.
- True
- False
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Recall what happens when a program attempts to access non-loaded data.
Question 5.
Given a virtual memory size of 32 bits and a page size of 8 KB, calculate the number of entries in a page table when the page table is stored in memory. Discuss how long it would take to copy this page table to a CPU if each word takes 100 nanoseconds.
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Consider the details of calculating the total entries from virtual memory size and page size.
Question 6.
Design an efficient strategy to handle TLB misses in systems with frequent page faults. What might the trade-offs be?
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Think about the balance between complexity and performance when enhancing memory access strategies.

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