The Optical Scanners are capable of reading information recorded on paper, employing light source and light sensors. The information to be typewritten information , hanf-written information, information coded as magnetic ink or pencil markes, or information coded as bars.
The following are the commonly used optical Scanners-
1) Optical Character Reader ( OCR )
2) Optical Mark Reader (OMR )
3) Optical Bar Code Readers
4) Magnetic Ink character reader (MICR )
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