Question

The disk platters mounted on a spindle and the heads mounted on a disk arm are together known as ___________

(a) Read-disk assemblies

(b) Head–disk assemblies

(c) Head-write assemblies

(d) Read-read assemblies

I had been asked this question during an interview.

My question is taken from Magnetic Disk and Flash Storage in portion Storage and File Structures of Database Management

Answer 1

Right choice is (b) Head–disk assemblies

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