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Chapter 6 Output “You can’t have a better tomorrow if you are thinking about yesterday all the time.” Monitors • Create softcopy CRT Monitor –(Cathode Ray Tube) Monitor ergonomics Resolution – sharpness & clarity of image Refresh rate – speed at which image is redrawn Display Devices What are video standards? Video Electronics Standards Association (VESA) develops video standards p. 6.08 Fig. 6-7 Next Flat Panel Monitors • Uses liquid crystal display Takes up less space Consumes less power Gas Plasma Display • Applys voltage to layer of gas – Larger screen size – Higher quality – More expensive Printers • Create hardcopy – Continuous form paper • Tractor fed • Friction fed nters at is an ink-jet printer? A type of nonimpact printer that sprays tiny drops of liquid ink onto paper Nonimpact printer forms characters and graphics without striking paper Prints in black-and-white or color on a variety of paper types -19 Next • Audio Output – Speakers – headsets • Voice output – Computer talks to you – Internet telephony • Fax Modem – allows you to send electronic documents as faxes • Multifunction device – – – – Print Scan Copy Fax Jaws • Software package that reads items on Windows screen to user Chapter 6 Output