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A card reader, also known as a magnetic stripe reader, is used to read the information stored on the magnetic strip of a credit card. The reader uses a magnetic head to detect and decode the data on the strip, such as the card number and expiration date.

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1y ago

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Why do credit card 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


Why do credit cards have a magnetic strip on one side?

According to ISO/IEC 7813 (and 7811) standards, a magnetic strip may only be on one side in order to: * Avoid interaction with other cards' magnetic stripes held in close proximity * Provide consistency with card readers * Provide backwards compatibility with card readers


How can you ruin the magnetic strip on a credit card?

You can ruin the magnetic strip on a credit card by exposing it to strong magnetic fields, scratching or bending the card, or coming into contact with liquids or oils that can damage the strip. Once the magnetic strip is damaged, it may not be readable by card readers and could prevent transactions from being processed.


What is a magnetic strip?

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 plastic. When a strong magnetic field is applied to the strip it is possible to magnetize areas of the strip in a pattern. The pattern contains information about what the card can be used for and who it can be used by.


How do magnets work in credit cards?

they by the power of the force between them.2. The black strip on the back of the card has tiny bits of iron in them. It works like a cassette player tape, but instead of motors running the strip, your hand does it as you swipe the card.

Related Questions

How do you erase magnetic information on a credit card?

Take a magnet, swipe it on the magnetic strip on the card.


How does your credit card get erased?

A credit card is a piece of plastic with a strip of magnetic information on it. When this strip is exposed to a strong magnetic field, like in an MRI, PET scan, or CAT scan it can get erased because the magnetic field removes the magnetic information.


Magnet damage a credit card?

Yes, The black strip on the back of a credit card (or any other plastic card with a dark strip) stores information on it in magnetic form. Thus if you place a credit card near a strong magnet it will change/damage this magnetic information making the strip unreadable.


Why might a credit card not work after being heated?

information is encoded in a magnetic strip


What is stored on the magnetic strip of a eftpos card?

The magnetic strip holds the information of your card.


What data is on a credit card magnetic strip?

Why do credit cards have a magnetic stripe on the back


Where would you find a magnetic strip?

Magnetic strips can be used in several different applications. There is a magnetic strip on the back of a credit card. This thin strip houses personal information that is activated when it is slide between 2 activators.


Why do credit card 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


Why do credit cards have a magnetic strip on one side?

According to ISO/IEC 7813 (and 7811) standards, a magnetic strip may only be on one side in order to: * Avoid interaction with other cards' magnetic stripes held in close proximity * Provide consistency with card readers * Provide backwards compatibility with card readers


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.


Does photocopying credit card destroy magnetic strip?

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.


How can you ruin the magnetic strip on a credit card?

You can ruin the magnetic strip on a credit card by exposing it to strong magnetic fields, scratching or bending the card, or coming into contact with liquids or oils that can damage the strip. Once the magnetic strip is damaged, it may not be readable by card readers and could prevent transactions from being processed.