COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER OUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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input
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output
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Either A or B
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None of the above
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Detailed explanation-1: -scanner, also called optical scanner, computer input device that uses a light beam to scan codes, text, or graphic images directly into a computer or computer system.
Detailed explanation-2: -Scanner is an input device, which works more like a photocopy machine. It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further manipulation.
Detailed explanation-3: -A scanner is a device that captures images from photographic prints, posters, magazine pages and similar sources for computer editing and display. Scanners work by converting the image on the document into digital information that can be stored on a computer through optical character recognition (OCR).