Presentation on computer storage devices by mihir roat

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different kind of storage devices.........


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Presentation on computer storage devices by mihir roat

  1. 1. Presentation on computer storage devices Presented by: Mihir .G. Roat F.Y. B.C.A .
  2. 2. Flow of contents <ul><li>Introduction to computer storage devices </li></ul><ul><li>Types & function of computer storage devices </li></ul><ul><li>Conclusion </li></ul>
  3. 3. Introduction to computer storage devices <ul><li>Storage devices : Storage devices retain items such as data, instructions, and information for retrieval and future use </li></ul><ul><li>They include floppy disks or diskettes, hard disks, compact discs (both read-only and disc-recordable), tapes, PC cards, Smart Cards, microfilm, and microfiche. </li></ul>
  4. 4. Types & function of storage devices <ul><li>A storage device is a hardware device designed to store information </li></ul><ul><li>There are two types of storage devices used in computers; a ' primary storage ' device and a ' secondary storage ' device </li></ul><ul><li>primary storage is a storage location that holds memory for short periods of times while the computer is on </li></ul>
  5. 5. Types & function of storage devices(cont’d) <ul><li>computer RAM and cache are both </li></ul><ul><li>examples of a primary storage device </li></ul><ul><li>This type of storage is the fastest type of memory in your computer and is used to store data while it's being used </li></ul><ul><li>This type of storage is the fastest type of memory in your computer and is used to store data while it's being used </li></ul>
  6. 6. Types & function of storage devices(cont’d) <ul><li>secondary storage is a storage medium that holds information until it is deleted or overwritten regardless if the computer has power </li></ul><ul><li>a floppy disk drive and hard disk drive are secondary storage devices </li></ul><ul><li>Off line storage Term used to describe any type of storage that is removable and cannot be accessed by the computer once removed. </li></ul>
  7. 7. Types & function of storage devices(cont’d) <ul><li>A floppy disk, flash drive & memory card are the examples of offline storage devices. </li></ul>
  8. 8. Storage devices <ul><li>Flash & USB drives : these drives are very compact and easy to carry </li></ul><ul><li>It comes with different storage capacity </li></ul><ul><li>E.g. 1GB to 16GB pen drives are available & in USB hard drive 125Gb to 1Tb </li></ul>
  9. 9. Storage devices <ul><li>Cd, Dvd & blu ray disk these are the devices which stores the limited data in it </li></ul><ul><li>Cd storage capacity 700mb </li></ul><ul><li>Dvd stores 4Gb in single layered & double lay stores 8Gb </li></ul><ul><li>While newly launched Blu ray disk stores three times more data </li></ul><ul><li>It stores 25Gb in single layered & 50Gb in double layered </li></ul>
  10. 10. Conclusion <ul><li>These storage devices both primary & secondary devices are useful to store the valuable data and it can be transfer easily from one pc to other pc </li></ul>
  11. 11. Thank You

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