Describe three common and mark recognition system
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MICR (Magnetic Ink Character Recognition ...
It is a special scanner. It reads the characters printed with magnetic ink and converts them into digital signals . These signals are then input to the computer for further processing ...
Optical mark reader ...
(OMR) Optical Mark reading (OMR) is a method of entering data into a computer system . Optical Mark Readers reads pencil or pen marks made in pre-defined positions on paper forms as responses to questions or tick list prompts ...
Smart Card ...
A smart card is a card with a microchip in it . Such cards are used as a method of identification and authentication . Plastic cards that allow to take out money from a automated teller machine ( ATM ) often are smart cards nowadays ( Some of them still have a magnetic stripe which holds the same information ) ...
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