In a Magnetic Disk Device, the Reason for Storing Data

Multiple Choice

In a magnetic disk device, the reason for storing data on a cylinder-wise basis is _____.

A) to avoid scratching the recording surfaces which would result in lost data
B) because more data can fit on a cylinder than on a recording surface
C) to minimize access arm movement in order to improve performance
D) because cylinders are the most stable of the disk device features
E) to be able to store the maximum amount of data on the disk device