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A laser projection keyboard used with a tablet. A laser or beamer projects visible virtual keyboard onto level surface. It is a modern input device. A sensor or camera in the projector picks up finger movements. Software converts the coordinates to identify actions or characters. [1] Some devices project a second (invisible infrared) beam above ...
The technology of computer keyboards includes many elements. Many different keyboard technologies have been developed for consumer demands and optimized for industrial applications. The standard full-size (100%) computer alphanumeric keyboard typically uses 101 to 105 keys; keyboards integrated in laptop computers are typically less comprehensive.
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VTech Laser 128 has 128 KB of RAM. Like the Apple IIc, it is a one-piece semi-portable design with a carrying handle and built-in 5¼-inch floppy disk drive, that uses the 65C02 microprocessor, and supports Apple II graphics. Unlike the Apple IIc, it has a numeric keypad, Centronics printer port, [ 1][ 2] and 128 KB of dedicated video RAM.
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This back-to-school gadget is a total must-have. For premium support please call: 800-290-4726 more ways to reach us
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