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📝 Indexed allocation Method

📖 From Operating System • 12. File System Implementation • 12 questions available

Practice MCQs for Indexed allocation Method. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

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📝 Sample Questions

Q1. What is the block that stores pointers to a file's data blocks called in indexed allocation?

🔹 A. Index block

🔹 B. Superblock

🔹 C. Inode

🔹 D. Data block

💡 Difficulty: easy | ✅ Correct: A

Q2. Why is indexed allocation generally more efficient than linked allocation for large files?

🔹 A. It reduces the number of disk seeks when reading sequentially

🔹 B. It eliminates the need for a free‑space list

🔹 C. It provides direct pointers to each block, avoiding traversal

🔹 D. It uses less metadata

💡 Difficulty: medium | ✅ Correct: C

Q3. In a two‑level indexed allocation scheme, how does the size of the first‑level index block affect the maximum file size compared to a single‑level scheme?

🔹 A. It reduces the maximum size because it occupies space

🔹 B. It does not affect the maximum size; only block size matters

🔹 C. It increases the maximum size by providing more pointers through the second level

🔹 D. It doubles the maximum size regardless of block size

💡 Difficulty: hard | ✅ Correct: C

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🔗 Related Topics

📝 File System Structure in operating system 📝 Overview of File System Implementation in Operating System 📝 Partitions and mounting in File System Implementation 📝 Virtual File Systems in File System Implementation 📝 Linear list Implementation in Directory

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