Question

In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.

(a) Read–write head

(b) Read-assemble head

(c) Head–disk assemblies

(d) Disk arm

This question was posed to me in homework.

I want to ask this question from Magnetic Disk and Flash Storage in division Storage and File Structures of Database Management

Answer 1

The correct option is (d) Disk arm

The best explanation: Each side of a platter of a disk has a read–write head that moves across the platter to access different tracks.