📝 Performance in File System Implementation

Q1. If each disk block is 512 bytes and a pointer occupies 4 bytes, what is the usable data size that the user sees per block?

💡 Difficulty: easy | ✅ Correct: A

Q2. What percentage of a 512‑byte block is consumed by a 4‑byte pointer?

💡 Difficulty: medium | ✅ Correct: A

Q3. In a system with 10 000 free blocks, a new file of 200 blocks is created using linked allocation. What fraction of the total free space is consumed by pointer overhead?

💡 Difficulty: hard | ✅ Correct: A