COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER MEMORY AND PROCESSING DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Trackerball
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Scanner
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Keyboard
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Mouse
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Detailed explanation-1: -The correct answer is OCR. OCR can be used to directly input printed text. Optical character recognition (OCR) is used by banks to convert a scanned image of a typed or printed page into text so that it is edited on a computer Can go.
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: -Why is a scanner an input device? A computer scanner is a digitizer, a type of input device. It takes real-world objects (e.g., a document or picture) and converts them to digital information for a computer to store or manipulate.
Detailed explanation-4: -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.