storage devices


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  • Physically similar to a CD, a single-layer, single-sided DVD has a maximum capacity of 4.7GB (about two hours of MPEG-2 video), about seven times the capacity of a CD-ROM (a normal CD holds around 650MB).
  • storage devices

    1. 1. Storage Devices<br />Momina<br />
    2. 2. What is a storage Device?<br />A storage device is a device used for storing something.<br />
    3. 3. Types of Storage Devices<br />Optical<br />Eg.<br />BLU Ray<br />Compact Disks – CD-ROMS ; CD-R; or CD-RW<br />DVD’s<br />Magnetic<br />Eg<br />Hard Disks<br />Magnetic tape<br />Floppy<br />Solid State<br />Eg.<br />External Hard Disks <br />Camera Card<br />USB’s<br />
    4. 4. Optical Storage Devices<br />Uses A Precise laser Beam<br />
    5. 5. BLU Ray<br />Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. <br />
    6. 6. Compacts Discs<br />A Compact Disc (also known as a CD) is an optical disc used to store digital data. <br />
    7. 7. DVD’s<br />A DVD is a larger, faster CD that can hold video, audio, and/or computer data. <br />
    8. 8. Magnetic Storage<br />Uses a Magnet Medium<br />
    9. 9. Hard Disks<br />The hard disk drive is the main, and usually largest, data storage device in a computer.<br />It is inside the computer<br />
    10. 10. Magnetic Tape<br />Magnetic tape is an external storage device that can be used for making copies of audio, video, and data. <br />
    11. 11. Floppy<br />A floppy disk is a data storage medium that is composed of a disk of thin, it is in a square or rectangular plastic shell.<br />It cannot contain as much data a CD or DVD or a Hard disk<br />
    12. 12. Solid State Storage Devices<br />Uses electronic circuits that retain the values without any power source<br />
    13. 13. External Hard Drive<br />An external hard disk drive is a type of hard disk drive which is connected from the outside to a computer<br />An external hard disk drive is a type of hard disk drive which is externally connected to a computer<br />
    14. 14. Camera Card (SD Cards)<br />They look like tiny pieces of plastic with 5 metal contacts and will come in capacities ranging from 128mb to 8 gb.<br />
    15. 15. USB’s<br />A USB flash drive consists of flash memorydata storage device integrated with a USB (Universal Serial Bus) 1.1 or 2.0 interface. USB flash drives are typically removable and rewritable, much smaller than a floppy disk, and most weigh less than 1 ounce <br />
    16. 16. Did you get it?<br />I know confusing inst it?<br />Don’t worry I didn’t get it Either<br />THANK YOU AND GOOD NIGHT<br />