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Types of Magnetic Storage Devices of a Computer - Where To Buy Them

Updated on April 10, 2010

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If you want to buy a storage device for your computer, understanding them is the first step. In computers, storage devices store permanent or temporary data, which is handled by programs or applications running on these systems. In the recent years, storage devices have become as important as a computer because of the increased amount of information currently managed by millions of computer users. As you know, there are storage devices that can be brought from the market that can store lots and lots of memory but then also it is not sufficient due to the lack of capacity to transport data and to reserve most important confidential information. It is due to this reason that today different storage devices are being developed which use their own technology and system to operate. As discussing all the storage devices of computer is not possible in one article, today, I will only share some info on four types of magnetic storage devices which are namely magnetic tapes, magnetic drums, hard drives, and diskette and floppy disks. I know that floppy disks are far outdated but then also learning about them will be good for you if you want to know the basics of magnetic storage systems in computers, so read on:

Hard Drive Storage Device

Hard drives are the most popular storage subsystem in the computers. Hard drives are responsible for storing persistent info on a computer and due to its persistency it has been considered as the most important computer storage system sold in the market.

Hard Drive
Hard Drive

Magnetic Tape Storage Device

A magnetic tape storage device contains a plastic tape that is coated with magnetic material, which records characters in form of combinations of points on tracks parallel to longitudinal axis of tape. These tapes are sequential media. There is a problem with magnetic tapes because every time access to certain information becomes necessary to read all data that precedes it resulting in loss of time.

Magnetic tape storage device
Magnetic tape storage device

Magnetic Drum Storage Device

Magnetic drum storage device contains either a hollow cylinder or a solid cylinder, which rotate at a consistent velocity. These cylinders are covered with magnetic material that is capable of retaining information, which is recorded and read by a head whose arm moves in the direction of the axis of rotation of the drum. In magnetic drum, access to information is direct and not in a sequential pattern like magnetic tapes.

Magnetic drum storage device by IBM
Magnetic drum storage device by IBM

Floppy disk or Diskette Storage Device

A diskette or a floppy disk is a flexible plastic disk covered by magnetic material, which allows reading and recording of limited data stored on it. A floppy disk is thin and flexible enclosed in a rectangular or square thin shell of plastic. These disks are currently out of fashion. They are usually sized around 3½ to 5¼ inches and are still used in personal computers.

So above were the four types of magnetic storage devices of a computer system. In my next article, I will share some info on Six Types of Optical Storage Devices of a Computer, which will help you in understanding them before buying them.

Floppy disks
Floppy disks

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    • soni2006 profile image
      Author

      Rajinder Soni 5 years ago from New Delhi, India

      Thanks a lot for your visit Frank.

    • profile image

      Frank Mbugua2013 5 years ago

      This is a very

      informative sight.Thank you!

    • profile image

      Robin 6 years ago

      mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm h

    • profile image

      Rida 6 years ago

      what is the third type of magnetic disc? hard disc, floppy disc and then?? tomorrow i have to submit my assignment =(

    • profile image

      dollfari 6 years ago

      this help me in my assignmnts thank u.i realy like your knowledge.

    • profile image

      Zeeshan 6 years ago

      thanks man

    • profile image

      mwina 6 years ago

      thanx 4ur cooperation

      i realy like ur knowledge

    • profile image

      chukwu prince valentine 6 years ago

      thanks sir,you have made us understand and know more about magnetic storage with defferents types.i am happy for the answer given above.

    • profile image

      Jessica Dianne Fernandez 6 years ago

      Thanks for this answer...It will be a good answer....

    • profile image

      sunrays 7 years ago

      thanks pal u made my day worth a lot with this information

    • soni2006 profile image
      Author

      Rajinder Soni 7 years ago from New Delhi, India

      Thanks Frogyfish and Atariemulator on PC for your comments.

    • profile image

      Atariemulator on PC 7 years ago

      Can I get an USB FDD without need of any Driver. Floppydrive With 82 Cyl. 10 Tracks or more and any Interleave? And if sow, were to get it.

    • frogyfish profile image

      frogyfish 7 years ago from Central United States of America

      You made the technical details simple. Keep sharing. Thank you!

    • soni2006 profile image
      Author

      Rajinder Soni 7 years ago from New Delhi, India

      It's my pleasure nbbatt.

    • profile image

      nbbatt.com 7 years ago from bear, de, 19701

      I have well-understanding after reading this hub. Thanks soni2006

    • soni2006 profile image
      Author

      Rajinder Soni 8 years ago from New Delhi, India

      Thanks a lot Veronica

    • Veronica Allen profile image

      Veronica Allen 8 years ago from Georgia

      I rated this up!

    • soni2006 profile image
      Author

      Rajinder Soni 8 years ago from New Delhi, India

      Thanks a lot for the immediate feedback AARON99.

    • profile image

      AARON99 8 years ago

      Thanks for informations given with different kinds of magnetic storage devices. It is kind of help, you are giving to the buyers. Well done. Enjoy.

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