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📝 Page size in Virtual Memory

📖 From Operating System • 9. Virtual Memory • 11 questions available

Practice MCQs for Page size 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
6
Medium Questions
3
Hard Questions

📝 Sample Questions

Q1. What is the definition of page size in a virtual memory system?

🔹 A. Amount of physical memory allocated to the kernel
🔹 B. Fixed length of a block of virtual memory that maps to a physical frame
🔹 C. Size of the swap file on disk
🔹 D. Number of processes that can run simultaneously

💡 Difficulty: easy | ✅ Correct: A

Q2. Why does over‑allocation of memory often lead to the need for page replacement?

🔹 A. It increases the number of free frames, reducing page faults
🔹 B. It forces the operating system to terminate user processes immediately
🔹 C. It fills the free‑frame list, causing page faults that must be resolved by replacing existing pages
🔹 D. It eliminates the need for I/O buffers, simplifying memory management

💡 Difficulty: medium | ✅ Correct: A

Q3. If the page size is doubled while the working set size of a program remains unchanged, what is the most likely impact on the number of page faults?

🔹 A. The number of page faults will increase
🔹 B. The number of page faults will decrease
🔹 C. The number of page faults will stay the same
🔹 D. The impact cannot be predicted without more information

💡 Difficulty: hard | ✅ Correct: A

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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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