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5. CHAPTER. Input and Output. Objectives. Variety of input devices Voice recognition Variety of output devices Multifunctional devices Telephony Type of terminals. Input. Keyboard entry Direct entry. Direct Entry. Pointing devices Scanning devices Voice-input devices .

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  1. 5 CHAPTER Input and Output

  2. Objectives • Variety of input devices • Voice recognition • Variety of output devices • Multifunctional devices • Telephony • Type of terminals © The McGraw-Hill Companies, Inc. 2002

  3. Input • Keyboard entry • Direct entry © The McGraw-Hill Companies, Inc. 2002

  4. Direct Entry • Pointing devices • Scanning devices • Voice-input devices © The McGraw-Hill Companies, Inc. 2002

  5. Traditional keyboard Mouse Trackball Touch-surface Touch screen Light pen Digitizer Digital camera Digital notebook Pointing Devices © The McGraw-Hill Companies, Inc. 2002

  6. Scanning Devices • Image scanner • Fax machine • Bar-code readers © The McGraw-Hill Companies, Inc. 2002

  7. Others • Magnetic-ink character recognition (MICR) • Optical-character recognition (OCR) • Optical-mark recognition (OMR) © The McGraw-Hill Companies, Inc. 2002

  8. Voice-Input Devices • Microphone • Sound card • Special software • Discrete and Continuous © The McGraw-Hill Companies, Inc. 2002

  9. Output Devices • Monitor • Printers • Plotters • Voice © The McGraw-Hill Companies, Inc. 2002

  10. Monitor Standards • SVGA • XGA • SXGA • UXGA © The McGraw-Hill Companies, Inc. 2002

  11. Monitor Types • CRTs • Flat-Panel or LCD • eBook readers • Data projectors • hdtv © The McGraw-Hill Companies, Inc. 2002

  12. Ink-jet Printer Laser Printer Thermal Printer Dot matrix Chain printer Plotters Printers © The McGraw-Hill Companies, Inc. 2002

  13. Audio Output Devices • Easy and common • Requires • Sound card • Speaker system © The McGraw-Hill Companies, Inc. 2002

  14. Telephony • Uses Internet rather than traditional • Requires • Internet telephone • Internet • Special service provider © The McGraw-Hill Companies, Inc. 2002

  15. Terminals • Dumb terminal • Intelligent terminal • Network terminal • Internet terminal © The McGraw-Hill Companies, Inc. 2002

  16. A Look into the Future • Combination of TV and Computer • Web TV • Broadcast Technology © The McGraw-Hill Companies, Inc. 2002

  17. © The McGraw-Hill Companies, Inc. 2002

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