Operating Systems · File Systems
Official IIT answer key · IISc Bangalore · Audited Aug 2026
GATE CSE 2024 Set 2 Q53 · NAT · 2 marks
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Topic notes
File systems and secondary storage in GATE CS are predominantly tested through numerical calculation problems (NAT/MCQ) involving disk geometry, timing analysis, and block allocation schemes. The questions focus on low-level mechanics: rotational latency, seek time, track transfer overhead, inode/FAT/linked pointer calculations, free space management, and disk scheduling algorithms. A smaller subset tests conceptual directory operations and allocation fragmentation properties.
Full File Systems guide →Consider a disk with the following specifications: rotation speed of 6000 RPM, average seek time of 5 milliseconds, 500 sectors/track, 512-byte sectors. A file has content stored in 3000 sectors located randomly on the disk. Assuming average rotational latency, the total time ( in seconds, rounded off to 2 decimal places) to read the entire file from the disk is …
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