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CompTIA A+ Exam Cram, Fourth Edition by David L. Prowse

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Chapter 13. Printers

Printers are the number two output device right behind video displays. Their main purpose is to output hard copy versions of what you see on the computer screen. Most printers connect via USB, although you also encounter printers that connect directly to the network—and on the rare occasion, printers that connect to parallel ports. Some printers also act as fax machines, copiers, and scanners; these are known as multifunction ...

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