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Mahendran Chap 06 Output
 

Mahendran Chap 06 Output

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    Mahendran Chap 06 Output Mahendran Chap 06 Output Presentation Transcript

    • OUTPUT
      • processed into useful form
      • 4 Types of Output:
      • Text
      • Graphics
      • Audio
      • Video
      • Devices – Hardware component that conveys
      information to one or more people
    • Display Devices
      Output display that visually conveys text, graphics, and video information
      2 Types of Display Devices
      Flat-panel Displays
      ( LCD Monitors[uses a liquid crystal display to produce images])
      ( LCD Screens[produce colour using either active –matrix or passive matrix technology])
      ( Plasma Monitors[display device that uses gas plasma technology ,which sandwiches a layer of gas between two glass plates)
      * LCD Technology-uses a liquids compound to present information on a device.
      *LCD Quality-depends primarily on its resolution ,response time,brightness,dot pitch ,and contrast ratio.
      CRT Monitors
    • Speaker, Headphones and Ear buds
      Audio output device is a component of a computer that produces music, speech, and sounds.
    • Printer
      Output device that produces text and graphics on a physical medium such as paper
      3 Type of Printer
      Nonimpact Printers
      (forms characters and graphics on a piece of paper without actually striking the paper)
      Ink-Jet Printers
      (forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper )
      Photo Printers
      (a colour printer that produces photo-lab-quality pictures)
    • Printer ( cont )
      Laser Printers
      (a high speed ,high –quality nonimpact printer that operates in a manner similar to a copy machine,creating images using a laser beam and powdered ink,called toner
      Thermal Printer
      (generates images by pushing electrically heated pins against heat-sensitive paper)
      Mobile Printer
      (allows a mobile user to print from a notebook computer or other mobile device)
    • Printer ( cont )
      Label and Postage Printers
      (prints on an adhesive –type material that can be placed on a variety of items )
      Plotters and Large-Format Printers
      (sophisticated printers used to produce high-quality drawing )
      Impact Printers
      (forms characters and graphics on a piece of paper by striking a mechanism against an linked ribbon that physically contacts the paper)
    • Other Output Devices
      Data Projectors text and images displaying on a
      (device that takes the computer screen and projects them onto a larger screen so that an audience can see the image clearly)
      Interactive Whiteboards
      (a touch –sensitive device)
      Force-Feedback Game Controllers and Tactile Output