How Credit Cards Work?

A credit card is a piece of plastic, which carries information
electronically. A person can use the credit card by just swiping
it on the machine to send the card information to be verified.
The size of the credit card is 3-1/8" x 2-1/8". You can use the
credit card to buy products and can pay them later. That is why
it is also called as electronic money. 

The shiny stripe on the back of the credit card is called as
magstripe, which is the main thing in the credit card. When a
person swipes the credit card in the magstripe reader the
information is sent to the central tracking system, which has
all the information about the card owner, balance details,
country, zip code etc. There are trillions of credit cards
issued in the U.S. People have a minimum of 2 credit cards in
their name. With e-commerce picking up, the amount of money
spent through credit card is set to rise. If credit cards are
used wisely, it could be a great tool. Most of the consumers
don't use it in a correct manner and don't pay the monthly
credit card bills on time. If you don't pay your credit card
bills on time, then the interest rates will add on to the
principal and the amount payable would increase. The rates of
interest charged by credit card companies are very high. So, use
your credit cards wisely.