Smart Card Singapore
Smart Card Singapore is a card with a microchip in it. Such cards are used as a method of identification and authentication.
Smart Card Singapore Plastic cards that allow to withdraw money from a cash machine often are smart cards nowadays (Some of them still have a magnetic stripe which holds the same information). The very often the user is identified with a PIN. If the pin is entered correctly, money can be withdrawn. If the PIN is not entered correctly, the card is blocked (after a number of false attempts).
At first, smart cards were used in public telephones in France, in 1983. There, the card simply stored a pre-paid credit Smart Card Singapore . This credit was reduced when calls were made. Another way to solve the problem is that the balance is stored in a remote database. To make calls, a (usually toll-free number) is first called. From there, additional calls can be made. Smart Card Singapore This eliminates the need for cards with chips on them.
There are two basic kinds of smart cards:
- Smart Card Singapore Simple cards only contain memory that can be read and written to.Smart Card Singapore Examples of this model are phone cards, or cards for health insurance. All the processing of the data is done outside the cards
- Complex cards contain an integrated microchip. In addition to being able to store data, they can also do some of the data processing. Unlike with the simple cards, there is generally no way to directly access the memory of the card. Examples of such cards include the bank cards Smart Card Singapore that can be used for withdrawing money, Smart Card Singapore or the SIM cards used in mobile phones.
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