Define the different types of scanners

A scanner is an input device that captures documents such as photographs and text. There are basically three types of scanners:

  • Drum Scanner : In a Drum scanner, the light from the object that is to be scanned is split into separate red, blue and green beams optically making the image precise
  • Flatbed Scanner: In this type of scanner, the object to be scanned is placed face down on a glass window, which is illuminated with a bright light.
  • Handheld Scanner: It is a manual device, which is dragged over the surface of the image to be scanned.

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