One reason why you should know about disk types is to find about their benefits. In turn, that will help you understand the real storage potential of any disk types.
Understanding disk types (4.3)
Hard disk drive
The hard disk drive (HDD) is a secondary storage type. As such, it is a computer component that uses the motor to spin the disc, has a magnetic read-and-write head, and has metal platters that permanently store data. Each platter contains tracks and sectors. The starting point for storing data in HDDs is the outer track. In the case of an HDD with one disc platter, the read-and-write head is located above the platter at a distance of microns, thus never touching the disc. If it does, then physical damage occurs. The...