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So you can use them. Otherwise they are nothing but peices of plastic.

That's what the card scanner 'reads'. It contains the bank's identification and your account number, etc.

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Q: Why do credit cards have a magnetic stripe on the back?
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Related questions

What data is on a credit card magnetic strip?

Why do credit cards have a magnetic stripe on the back


What reader reads the magnetic stripe on the back of credit cards entertainment cards bank cards and other similar cards?

A magnetic stripe reader is used to read the information stored on the magnetic stripe on the back of cards like credit cards, entertainment cards, bank cards, and other similar cards. The magnetic stripe contains data such as account number and expiration date, which is swiped through the reader to facilitate transactions.


What reads the magnetic stripe on the back of the credit cards?

magstripe reader


What is a magnetic stripe used for?

no one knows why they just r sorry 4 the lame answer but i can't find it anywhere


What is the use of magnets in a credit card?

The ­stripe on the back of a credit card is a magnetic stripe, often called a magstripe. The magstripe can be "written" because the tiny bar magnets can be magnetized in either a north or south pole direction.


Are bank cards affected by being next to another bank 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.


How is electromagnet used in credit cards?

The strip on the back of a credit card is made up of a lot of magnetic particles which identifies and contains account information.


What type of device reads the strip of magnetic material on the back of your credit card?

A card skimmer reads the back of credit and debit cards. It is a type of device employed to commit credit card fraud and identity theft.


What are examples of magnetic and non-magnetic storage media?

Magnetic Storage:Hard disk drive (HDD)Floppy disk drive (FDD)Data Tape backupMiniDV tapeCassette tapeThe magnetic stripe on the back of a credit or debit cardNon-magnetic Storage:Solid-state drive (SSD)Flash memory cardUSB flash driveOptical media (DVD, CD and BluRay)Punch cards


Why do credit card have magnetic stripe on the back?

So you can use them. Otherwise they are nothing but peices of plastic. That's what the card scanner 'reads'. It contains the bank's identification and your account number, etc.


Where can I find the securecode on my Mastercard?

The security codes on most credit cards is the three digit number that is on the back, after the black stripe ends on the right side. I am sure Mastercard is the same.


Can the magnetic tape on credit cards be repaired?

"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."