Optical-scanner meaning

A device that converts printed images and text into a digital file that can be stored or edited.
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A device that converts printed images and text into digital information that can be edited, transmitted, and stored. Optical scanners work by electronically measuring the intensity of color at a large number of individual locations across the page (often using phototransistors ), and converting these measurements into digital numerical values usable by computers and other digital devices.
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See scanner.
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