GATE CS 2015 Set 1 — Question 54

NAT+2 / -0MediumDisk Structure & Access TimeI/O OrganizationComputer Organization & Architecture

Computer Organization & Architecture → I/O Organization → Disk Structure & Access Time

Last updated 5 September 2026

Question

Consider a disk pack with a seek time of 4 milliseconds and rotational speed of 10000 rotations per minute (RPM). It has 600 sectors per track and each sector can store 512 bytes of data. Consider a file stored in the disk. The file contains 2000 sectors. Assume that every sector access necessitates a seek, and the average rotational latency for accessing each sector is half of the time for one complete rotation. The total time (in milliseconds) needed to read the entire file is__________.

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