Eddie Boothroyd
Eddie Boothroyd voted up Natalie Holeman's answer

I may be wrong but I disagree with Neha Agrawal.

The parts of a disk drive are:

1.  Power source

2.  Platter (where data is written to/read from)

3.  Read/write heads (performs actual write, for hard disks this is by a tiny magnet to change magnetic characteristics of a location to write or sense magnetic polarization to read; for … Read more