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Laser printer is a computer-driven printer that uses lasers to produce output on paper. A tiny, pinpoint laser electrically charges a light-sensitive drum in the image of the computer screen. Dry ink called toner is electrically charged and dusted onto the drum. The toner is given an electrical charge opposite to the charge on the parts of the drum where text and images are represented, so the toner sticks only to those parts of the drum. A sheet of paper is given an electrical charge… More »
American Standard Code for Information Interchange (ASCII)
American Standard Code for Information Interchange (ASCII), AS kee, is a code that computers use... More >>
Analog computer is a device that solves problems by measuring a continuously varying quantity,... More >>
Automated teller machine (ATM)
Automated teller machine (ATM) is a computer terminal that functions as a miniature financial... More >>
Bulletin board service is a communications feature available on computer networks. A bulletin... More >>
Cathode rays are invisible radiation emitted (given off) by the cathode (negative electrode) of a... More >>
Charge-coupled device, abbreviated CCD, is an electronic device that can produce images. A CCD... More >>
Circuit board is a small board containing electronic components that are connected to form a... More >>
Circuit breaker is an automatic switch. It protects electric motors, household wiring,... More >>
Computer chip is a tiny piece of material, usually silicon, that contains a complex electronic... More >>
Computer file is a collection of electronic data, used to organize the storage and processing of... More >>
Computer language is a set of symbols in which operating instructions for a computer are written.... More >>
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