This consist of a flexible thin sheet of plastic material with a magnetic coating and grooves arranges in concentric circle with tracks. Floppy disk becomes a convenient recording medium to transport information from one location to another. Disk is removable from the reading device attached to the computer and therefore provides unlimited storage capacity

The floppy disk of today are available in two sizes 5.25 inches 3.5 inches their capacity range is from 360 KB to 1.44 MB per disk.