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Computer Technology: Peripherals 3
Video Input/Output Video & Multimedia Input: Input can take the form of a video images captured with a TV receiver, camcorder, or VCR that can be digitized and compressed for storage on magnetic or optical disk. Video Output: Video displays are the most common type of computer output. Most video displays use a cathode ray tube (CRT) technology. Liquid crystal displays (LCD's) are commonly used for portable microcomputers and terminals. They use less electricity that the CRT and provide a thin, flat display. Plasma display - use electrically charged particles of gas (plasma) trapped between glass plates. They are significantly more expensive than CRT and LCD units. However, they use less power and provide for faster display speed and better quality displays. Plotters: Are output devices that draw graphics displays on paper, they also produce printed paper output. Impact Printers: Are printers that form characters and other images on paper through the impact of a printing mechanism that presses a printing element and an inked ribbon or roller against the face of a sheet of paper (e.g., dot matrix printers, high-speed line printers). Non-impact printers Are printers which do not utilize a printing mechanism (e.g., laser printers and ink jet printers).  computer, business, introduction, technology, processing, data, numbering, hardware, network, peripherals |
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