COMPUTER HARDWARE
INPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A scanner uses Blue Laser light
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Blue Light Scanner Technology and Blue Light Systems It operates by combining a projector, camera, and lens system to allow data collection. The projector creates a pattern of light and dark areas on the object being measured. The camera takes an image of this pattern overlaid on the object.
Detailed explanation-2: -Laser scanners use a laser beam as a light source and typically employ oscillating mirrors or rotating prisms to scan the laser beam back and forth across the barcode. A photodiode then measures the reflected light from the barcode.
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