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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Keyboard
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Pointing device
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Touch screen
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Scanner
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Biometric Input
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Detailed explanation-1: -Scanner is an input device that accepts paper document as an input. Scanner is used to input data directly into the computer from the source document without copying and typing the data. The input data to be scanned can be a picture, a text or a mark on a paper.
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. Bar-code scanners are used widely at point-of-sale terminals in retail stores.
Detailed explanation-3: -A scanner is considered an input device since it provides information to the computer in the form of scanned images. It will take anything that is physically present, such as a paper or a picture, and convert it into a digital form before transferring it to your personal computer.
Detailed explanation-4: -Scanning and Reading Devices: The device that creates machine readable data and feed it directly into the. computer without using keyboard.