Describe the uses of credit cards and smart cards, Computer Engineering

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Credit cards and smart cards

Credit cards comprise a magnetic stripe on the back made up of iron-based particles in a plastic film.

Stripe is split up into 3 tracks which are read by a magnetic stripe reader. Generally only tracks 1 and 2 are used. Information stored usually follows the below format

(* the optional data often contains a PIN verification code or card verification code)

1455_Credit cards and smart cards.png

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