Eight contact with external worldContact smart card has a gold tiny chip in it . When read by the reader , the chip will conecting wtih the conector which can read the information from the chip . In the contact smart card , a few ISO standartization has been established to define the physical shape , position , characteristic , protocol , sending command , and back respond , card resistance , untill the function . The card also doesn’t have its own battery .
In Aladdin story , there’s a magic lamp . If scratched it will appear a powerfull geane which can fullfill all wish . because of technology development , you don’t have to feel down of geane magic lamp . Today , you just need to open your wallet and take out a card , and only with a scratch , slowly you’ll have a new shirt .
Normally, a smart card do not have to ration energy, or keyboard. Smart Card have interaction with external world use serial communications interface pass eight dot contact or existing point contact.
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