Floppy Disk or Diskette

      Floppy Disk or Diskette:

                                                  Floppy Disk is also called diskette. It consists of a thin plastic disk coated with magnetics material. This disk is enclosed in a plastic jacket. It was introduced by IBM in early  1970s. It is a portable storage medium and can be removed from one computer and inserted into another computer easily. It is not commonly used now a days.

        Floppy disk can only store a small amount of data. Data access speed of floppy disks is slower than hard disk. It is inexpensive storage media.

                                                     part of  floppy disk

      The standard of size of floppy disk is 3 inch. The capacity of floppy disk is 1.44GB. The circular piece of plastic on 3 inch diskette is enclosed in a shall. A piece of metal covers the reading and writing area. It is called shutter. When the disk is inserted into a disk drive' the shutter opens to expose the surface of the disk.

                                           

        Other Disks:

                                   Other disks used for storage are as follows:

      Zip Disk:

                         

                               Zip disks is a portable disks. It has more storage capacity than floppy  disk. Its storage capacity is up to 1000 MB. Zip disk is used to read \ write on zip disk. It cannot be in conventional floppy drive.

                                                        zip disk

     Super disk:

   

                          Super disk is produced by Imation. Its capacity is 120 read the standard 1.44 MB floppy disk. Zip drive cannot read the standard 1.44 MB floppy disk.

                      

 

     

                    Magnetic tape system

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