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Friday, April 24, 2020

scanner

Scanner is a device similar to a photocopier. Scanner creates and and electronic form of the printed image which can later be manipulated changed and modified according to the requirements. Scanners come in a variety of size from hand held models to desktop models as discussed below :
  1.  handheld scanner are very small which can be held in a hand.
  2. Flatbed scanner are large and more expensive scanners but they definitely period quality image. These  scanners have a flat surface on which the printed image to be a scanned in placed.
  3.  Drum scanners are medium size of scanners with a rolling drum. The seed is fed through the scanner so that the drum rolls over the entire sheet to be scanned.

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