Floppy Disk:

The hard disks are suitable only for the large and medium sized computers and often are too expensive for small computer system. Floppy disks are the latest development in secondary storage devices.

 It is made up of a flexible plastic material and hence called as Floppy disk. It is also called as “Diskette”.

Types of Floppy Disks/ Diskette
      
There are three sizes of floppy disks.

1.    8’’ disk
2.    5.25’’ disk and
3.    3.5’’ disk.

Special features

1.    The data once stored remains even if the electric power fails in the system. Thus it is a non-volatile storage medium.

2.    the cost is very low.

3.    read/write opening is an added advantage to access/write the data easily.
4.    it can be easily handled.

5.    it can be taken to any place and it has high storage capacity
      
 Disadvantage

     Here the magnetic disk is moved mechanically.