Chapter 06

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Chapter 06

  1. 1. Chapter 6BTECH1101 | Fundamental of Computer Systems Prepared by Mohamed Abdulkarim
  2. 2. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsWhat is OutputWhat is output? Data that has been processed into a useful form  Output device is any hardware component that can convey information to one or more people ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  3. 3. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsDisplay DevicesWhat is a display device? Output device that visually conveys text, graphics, and video information  Typically used with desktop computers Monitor houses display device as separate peripheral ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  4. 4. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsDisplay DevicesWhat is an LCD monitor? Uses liquid crystal display Have a small footprint Mobile devices that contain LCD displays include  Notebook computer, Tablet PC, ultra personal computer, portable media player, smart phone, and PDA ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  5. 5. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsDisplay DevicesWhat is a plasma monitor? Uses gas plasma technology  Larger screen size and richer colors than LCD, but are more expensive ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  6. 6. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsDisplay DevicesWhat is a CRT monitor? Contains cathode-ray tube (CRT) Common sizes are 15, 17, 19, 21, and 22 inches  Viewable size is diagonal measurement of actual viewing area ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  7. 7. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsDisplay DevicesWhat determines the quality of a CRT monitor? Screen resolution Text created with a smaller dot pitch is easier to read Refresh rate is speed at which monitor redraws images on screen ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  8. 8. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is a printer? Output device that produces text and graphics on a physical medium Purchasing a printer ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  9. 9. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat are the various ways to print documents and pictures? ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  10. 10. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is a nonimpact printer? Forms characters and graphics without striking paper  Ink-jet printer sprays tiny drops of liquid ink onto paper  Prints in black-and-white or color on a variety of paper types ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  11. 11. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is a photo printer? Color printer that produces photo-lab-quality pictures Many photo printers have a built-in card slot Picture Bridge is a standard technology that allows you to print pictures directly from a digital camera ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  12. 12. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is a laser printer? High-speed, high-quality nonimpact printer Prints text and graphics in high-quality resolution, ranging from 1,200 to 2,400 dpi Typically costs more than ink-jet printer, but is much faster ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  13. 13. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is a thermal printer? Generates images by pushing electrically heated pins against heat-sensitive paper  Dye-sublimation printer, (also called a digital photo printer) uses heat to transfer dye to specially coated paper ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  14. 14. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is a mobile printer? Small, lightweight, battery-powered printer that allows mobile user to print from notebook computer, Tablet PC, PDA, or smart phone while traveling ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  15. 15. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is a plotter? Sophisticated printer used to produce high-quality drawings Large-format printer creates photo-realistic-quality color prints ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  16. 16. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsPrintersWhat is an impact printer? Forms characters by striking mechanism against inked ribbon that contacts paper  Dot-matrix printer produces printed images when tiny wire pins strike ribbon  Line printer prints entire line at a time ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  17. 17. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsOther Output DevicesWhat is an audio output device? Computer component that produces music, speech, or other sounds Speakers, earphones, and ear buds are common devices ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  18. 18. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsOther Output DevicesWhat is voice output?  Computer talks to you through speakers on computer  Internet telephony allows you to have conversation over the Internet ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  19. 19. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer Systems Other Output Devices What is a facsimile (fax) machine?  Device that transmits and receives documents over telephone linesWhat is a fax modem?  Modem that allows you to send and receive electronic documents as faxes ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  20. 20. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsOther Output DevicesWhat is a multifunction peripheral? Provides functionality of a printer, scanner, copy machine, and fax machine ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  21. 21. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsOther Output DevicesWhat is a data projector? Device that takes the text and image from computer screen and projects it onto larger screen ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  22. 22. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer Systems Putting It All Together • What are suggested input and output devices for the home user?Home User Input Device Output Device • Enhanced keyboard or • 17- or 19-inch color LCD ergonomic keyboard monitor • Mouse • Ink-jet color printer; or • Stylus for PDA or smart • Photo printer phone • Speakers • Game controller • Headphones or earphones • Color scanner • 4-megapixel digital camera • Headphones that include a microphone • PC video camera ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  23. 23. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer Systems Putting It All Together • What are suggested input and output devices for the small office/home office user?SOHO User Input Device Output Device • Enhanced keyboard or • 19- or 21-inch LCD monitor ergonomic keyboard • Color LCD screen on • Mouse Tablet PC, PDA,or smart • Stylus and portable phone keyboard for PDA or smart • Multifunction peripheral; or phone, or digital pen for • Ink-jet color printer; or Tablet PC • Laser printer (black-and- • Color scanner white or color) • 3-megapixel digital camera • Fax machine • Headphones that include a • Speakers microphone • PC video camera ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  24. 24. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer Systems Putting It All Together • What are suggested input and output devices for the mobile user?Mobile User Input Device Output Device • Wireless mouse for • 17-inch LCD screen on notebook computer notebook computer • Touchpad or pointing stick •LCD screen on PDA or on notebook computer smart phone • Stylus and portable • Mobile color printer keyboard for PDA or smart • Ink-jet color printer; or phone, or digital pen for • Laser printer, for in-office Tablet PC use (black-and-white or • 4-megapixel digital camera color) • Headphones that include a • Photo printer microphone • Fax modem • Fingerprint scanner for • Headphones or earphones notebook computer • Data projector ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  25. 25. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer Systems Putting It All Together • What are suggested input and output devices for the power user?Power User Input Device Output Device • Enhanced keyboard or • 23-inch LCD monitor ergonomic keyboard • Laser printer (black-and- • Mouse white or color) • Stylus and portable • Plotter or large-format keyboard for PDA or smart printer; or phone • Photo printer; or • Pen for graphics tablet • Dye-sublimation printer • Color scanner • Fax machine or fax modem • 6- to 12-megapixel digital • Speakers camera • Headphones or earphones • Headphones that include a microphone • PC video camera ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  26. 26. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer Systems Putting It All Together • What are suggested input and output devices for the large business user?LargeBusiness User Input Device OutputDevice • Enhanced keyboard or • 19- or 21-inch LCD monitor ergonomic keyboard •LCD screen on Tablet PC, PDA, • Mouse or smart phone • Stylus and portable keyboard • High-speed laser printer for PDA or smart phone, or • Laser printer, color digital pen for Tablet PC • Line printer (for large reports • Touch screen from a mainframe) • Light pen • Fax machine or fax modem • Color scanner • Speakers •6- to 12- megapixel digital • Headphones or earphones camera • Data projector • OCR/OMR readers, bar code readers, or MICR reader • Microphone • Video camera for video conferences • Fingerprint scanner or other biometric device ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  27. 27. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsInput and Output Devices for Physically Challenged Users• What other output options are available for visually impaired users? Change Window settings, such as increasing size or changing color of text to make words easier to read Blind users can work with voice output Braille printer outputs information in Braille onto paper ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  28. 28. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer SystemsSummary of Input and Output Processing and organizing Data and instructions input into output Various techniques of input Various methods of output Commonly used input devices Commonly used output devices ALL RIGHTS RESERVED No part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide
  29. 29. Faculty of Information and Communication Technology BTECH1101 | Fundamental of Computer Systems End of Lecture ALL RIGHTS RESERVEDNo part of this document may be reproduced without written approval from Limkokwing University of Creative Technology Worldwide

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