Why do credit cards have have a magnetic strip on the back?
the magnetic strip on the back of credit cards r use to store information about the card holders account
the information is stored in the form of magnetic field same as that in a floppy disk or a tape cassete
What reader reads the magnetic stripe on the back of credit cards entertainment cards bank cards and other similar cards?
There are no magnets in credit cards. If you're referring to the 'magnetic strip' on the back of the card - it's a secondary system of identifying the card. When you insert your card into an ATM - the machine reads the magnetic strip which connects it to the account-holder's bank. Contrary to popular belief - it does not contain the PIN associated with the card.
The magnetic strips on the back of bank cards and credit cards can be affected by strong magnetic fields or being close to weak magnetic fields. When you keep credits cards in a wallet with magnetic strip touching or being very close together, it is possible for the magnetic strips to affect each making them unreadable. Even so, the credit cards can still be used by manually keying in the credit card number.
The strip on the back of your credit card is made up of magnetic particles that contain the account information. Any contact with a magnet or magnetic field can cause the strip to become demagnetized and the card to be ruined. Exposure to magnets can cause the particles in the strip to rearrange, making the card unreadable. Read more: Why Do Magnets Ruin Credit Cards? | eHow.com http://www.ehow.com/about_5365431_do-magnets-ruin-credit-cards.html#ixzz1Odckj7cS
"In today's modern world of technology, magnetic encoding has revolutionized the safe and reliable transfer of personal credit card data. However, once the magnetic strip has been damaged on the back of a credit card it will no longer work properly. The only solution is to replace it with a new card."
Does the strip of tape found at the back of a credit card or bank card contains magnetic strip codes?
The best way to destroy the magnetic strip on any type of card is to cut the strip into pieces (or use a shredding machine that accepts cards). Gift cards, aside from their value, do not create major identity theft challenges because they are generic and not tied to a particular person. Alternatively, one may run a magnet back and forth over the strip and all of the data on the strip will be jumbled…
No, photocopying a credit card does not destroy the magnetic strip, but unless you absolutely need a copy of your credit card, I would not suggest making copies of it. If you have a copy of the card (especially if you put front/back on the same page or stored together), it would make it very easy for someone to steal that information and use your card for online purchases.
If you have ever looked at a plastic credit card, when you turn it over so that you are looking at the back (where the box is for you to sign it) you will find a brown/gray stripe about a centimeter wide that runs across the entire width of the card. This is a magnetic strip. It is made of very finely ground up Iron particles in a glue covered by a thin film of…
Subsidiary credit cards are viable credit cards issued under the direction of a major credit card company. For example, the American Express Company issues several different types of credit cards. They have cards that give you cash back, cards that give you points to purchase other items, and cards that earn airline travel miles. Each one of these types of cards are subsidiary credit cards.
All of them. If you look at the back of the card,on the magnetic coding strip or printed below it; at the end of the card numbers there will be three or four #'s. This is referred to as a security code, which is used when ordering by mail,internet, etc. For regular use, the code is incorporated in the mag. "swipe" strip
Companies that offer cash back credit cards tend to have information about the cards on their websites. There are also several sites that offer comparisons of particular cards on offer, and the best uses to put them to. Cash back cards also feature in traditional news media articles for those that may want a more conventional viewpoint.