How are scanners used?
An optical scanner, also known as an image scanner, is an electronic device that is able to produce a digital image of a physical document and send the image to be stored and viewed on a computer.PurposeThe main use of a scanner is to create a digital image of a paper document, such as a hand-written letter or a type-written file or bill.FunctionsMany scanners also function as printers, copy machines and fax machines, allowing documents to be scanned into a machine, altered with an image editor, then printed out in an altered form.PotentialDigital imaging has the potential to create highly efficient data storage.
