DISK
A revolving platter upon which data and programs are stored. A storage media for computer data and information. You can have a floppy disk or hard disk, optical and laser disk, each having specific features and applications. The storage on floppy and hard disks are on magnetic medium and the magnetic polarity (N&S) is used to distinguished disk used burnt minuscule depression to produce the same effect.
Tags: Define Disk, CD, DVD, CD ROM, Compact Disk