Storing Information (1)

• Physical Media

  • types
    • Disks
      • hard or floppy
    • cdrom
    • tape
    • etc…
  • characteristics
    • fixed or removable, read only, volatile, speed, cost, ...

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Information is stored in electronic, magnetic and optical form.

Magnetic media are the most common.

Hard Disks: usually high capacity and not removable. Either internal to computer (local) or on another computer and accessible via a network.

Floppy Disks: small, removable.