OUTPUT<br /><ul><li> processed into useful form
 4 Types of Output:
 Text
 Graphics
Audio
Video
 Devices – Hardware component that conveys</li></ul>		 information to one or more people<br />
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Mahendran Chap 06 Output

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Mahendran Chap 06 Output

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

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