Memory Devices
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Memory Devices

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Useful for preservice teacher education program of university of Pune.

Useful for preservice teacher education program of university of Pune.

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Memory Devices Presentation Transcript

  • 1. Prof.S.G.Isave, Assistant Professor, Tilak College of Education, Pune-India Storage Devices
  • 2. Storage Devices
    • Primary Storage
    • ROM Chips
    • RAM Chips
    • Secondary Storage –
    • 1. Optical –
    • CD/DVD/BRD
    • 2. magnetic –
    • Pen Drive
    • Memory Card
    • Hard Disc
  • 3. Primary Storage Devices
    • ROM –
    • Read Only Memory.
    • Permanent memory.
    • Non-volatile memory.
    • Can’t be edited.
    • Stores important program from system software, regarding functioning of computer. (Booting)
    • RAM –
    • Random Access Memory.
    • Volatile memory.
    • Temporary memory.
    • Holds data up to saving.
    • Bring required programs when user opens a file.
  • 4. Secondary Storage capacity
    • Compact Disc – 700MB
    • Digital Versatile Disc – 4 to 8GB
    • Blue Ray Disc – 25 GB
    • Hard Disc – 5 to 500 GB
    • Pen Drive – 2 GB to 8GB +
    • Memory Card – 2GB to 8GB +
  • 5. OPTICAL DEVICES- CD/DVD/BRD No Yes No Edit Re burn Write Type No No ROM – Read Only Memory. Yes Yes RW- Rewritable. Limited Yes R- Recordable
  • 6. MAGNETIC Devices Yes Yes Yes Edit Reuse Write Type Yes Yes Memory Card Yes Yes Pen Drive Yes Yes Hard disc
  • 7. Use of Optical Devices
    • CD/DVD/BRD (R) – To store data permanently.
    • CD/DVD/BRD (RW) – to store data temporarily, to carry data.
    • CD/DVD/BRD (ROM) – software, educational program, movies, drivers, games etc.
  • 8. Use of Magnetic Devices
    • Hard disc – Essential part of a computer.
    • Useful to store system, all application software, drivers, data and information.
    • Mass Storage Devices –
    • To carry data.
    • To store data temporarily.
    • Can carry all type of data i.e. software, music, video file, presentation, images, photos
  • 9. Thanks
  • 10. Download, improve, use and feedback !