Optical Character Recognition (OCR):
Optical character recognition is the electronic or mechanical translation of scanned images of text that may be handwritten, typewritten or printed, into machine encoded text.
Use of OCR is to digitize documents and books, publish text on website, sort mails, and process checks and mail based payments by credit cards to computerize so that a record can be maintained in an office, instead of bulks of papers.
OCR is a field of research in pattern recognition, artificial intelligence and computer vision.
Smart Cards:
A smart card, a chip card or integrated circuit card (ICC), is any pocket-sized plastic card with embedded integrated circuits. It is an electronic recording device. Most smart cards looks like a credit or debit card, but smart cards can function on at least three levels (credit-debit-personal information).
Smart cards may provide strong security authentication for single sign on (SSO) within large organizations. Information such as withdrawals, sales, and bills can be processed immediately and if/when necessary; those records can be transmitted to a central computer file updating.
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