题目内容
Digital or interactive whiteboards display a computer's desktop and can be controlled using a special pen or a finger.
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E-ink produces images that reflect light like ordinary paper, making the display easy to read.
Resolution for a printer is a measure of the clarity of images produced, measured in dpi (dots per inch).
Shared laser printers typically support color, are more expensive, and are used by a group of people.
Cloud printers provide printing services to users without access to the Internet.
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