COMPUTER ARCHITECTURE
INPUTOUTPUT DEVICES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You can use this to input printed documents to a computer?
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Trackerball
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Scanner
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Keyboard
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Mouse
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Explanation:
Detailed explanation-1: -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-2: -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-3: -Optical Character Reader (OCR) OCR is an input device used to read a printed text. OCR scans the text optically, character by character, converts them into a machine readable code, and stores the text on the system memory.
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