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The document discusses different computer output devices and how they communicate information to users. It covers monitors, speakers, and printers, describing their functions and key differences. For monitors, it compares CRT and LCD monitors. For printers, it distinguishes between low draft quality, near letter quality, and letter quality printers based on resolution, cost, size, and quality. It concludes with an activity for students to research and present information on additional output devices like plotters, projectors, and microfilm.








