Calculate the rotational speed of a disc drive

A disc drive has an average seek time of 10ms, 32 sectors on each track and 512 bytes per sector.
If the average time to read 8KBytes of continuously stored data is 20ms, what is the rotational speed of the disc drive?

  1. 3600 rpm
  2. 6000 rpm
  3. 3000 rpm
  4. 2400 rpm
Author: Ansh Goyal
Login to Answer
Sort By:
My Answer