Page Comparison

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Data Objects can be organized into two broad classes: physical and digital. Physical objects can include analog formats or digital informationstorage devices.

• Physical

  • Analog

    • Motion picture film

    • Phonograph records

    • Photographic material

    • Magnetic tape

      • Magnetic audio tape

      • Magnetic video tape

    • Paper

  • Digital storage device

    • Digital audio tape

    • Digital videocassette

    • Optical disc

    • Floppy disk

    • Hard drive

• Digital

  • Email

  • Presentations

  • Rastor images

  • Word processing

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