10. Mass Storage Structure - Operating System

📖 From Operating System • 360 questions available

Practice MCQs for 10. Mass Storage Structure. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-26

Easy Questions

167

Medium Questions

112

Hard Questions

Q1. What is a sector on a magnetic disk?

🔹 A. A circular track

🔹 B. The smallest addressable unit

🔹 C. A group of platters

🔹 D. The spindle motor

💡 Difficulty: easy | ✅ Correct: B

Q2. Why are tracks at the same radius on different platters grouped into a cylinder?

🔹 A. Because the heads move together, allowing simultaneous access

🔹 B. Because each cylinder stores the same file

🔹 C. Because cylinders increase spin speed

🔹 D. Because cylinders reduce power consumption

💡 Difficulty: medium | ✅ Correct: A

Q3. Why have solid‑state drives largely replaced magnetic disks for many workloads despite higher cost per gigabyte?

🔹 A. Because SSDs have larger storage capacities

🔹 B. Because SSDs use magnetic recording like disks

🔹 C. Because SSDs provide much lower latency and higher throughput

🔹 D. Because SSDs are easier to manufacture

💡 Difficulty: hard | ✅ Correct: D

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