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📝 TLB reach in Virtual Memory

📖 From Operating System • 9. Virtual Memory • 9 questions available

Practice MCQs for TLB reach in Virtual Memory. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-26

2
Easy Questions
4
Medium Questions
3
Hard Questions

📝 Sample Questions

Q1. A process triggers a page fault while all frames are occupied. Which action is most commonly taken by the operating system to resolve the fault?

🔹 A. Terminate the process immediately
🔹 B. Swap out a process to free its frames
🔹 C. Allocate additional frames beyond physical memory
🔹 D. Ignore the fault and continue execution

💡 Difficulty: easy | ✅ Correct: B

Q2. Given the reference string 7,0,1,2,0,3,0,4,2,3,0,3,2 and three physical frames, which replacement policy results in the fewest page faults?

🔹 A. First-In‑First‑Out (FIFO)
🔹 B. Optimal (OPT)
🔹 C. Least‑Recently‑Used (LRU)
🔹 D. Random (RAND)

💡 Difficulty: medium | ✅ Correct: C

Q3. A TLB contains 128 entries. Which page size gives the greatest TLB reach: 2 KB, 4 KB, 8 KB, or 16 KB?

🔹 A. 256 KB
🔹 B. 512 KB
🔹 C. 1 MB
🔹 D. 2 MB

💡 Difficulty: hard | ✅ Correct: D

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🔗 Related Topics

📝 Basic concepts of Demand Paging📝 Performance of demand paging📝 Copy on Write in virtual Memory📝 Basic page replacement in virtual Memory📝 FIFO page replacement
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