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A scanner is a computer device that scans images, printed text, handwriting or an object and makes it a digital image. A paper or item is placed on the glass surface, and then the cover is closed to prevent lens damage. It scans the document and makes a duplicate image on the computer.

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9y ago
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Wiki User

13y ago

it uses a scanning device to scan things to the computer word by word... you can read its working in simple words from here : see related links

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Q: Explain briefly how scanners work?
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