What input device is used to enter data from a credit card?
Rachel Davis
Updated on February 17, 2026
A magnetic card reader is a device used to read magnetic stripe cards, such as credit cards. A business card reader is a device used to scan and electronically save printed business cards….Biometric.
| IP fingerprint reader | |
|---|---|
| Media type | Internet Protocol |
| Usage | fingerprint identification, access control |
Is credit card an input or output?
The credit/debit card reader is normally an input/output, as they can actually write certain data back onto the card (chip, or magnetic strip) during the course of the transaction. We’d be talking about a device that has both combined into one.
What information is stored on a credit card?
These tracks contain the credit card account number, name, expiration date, service code, and card verification code. Credit cards primarily or exclusively use the first two tracks. The third track sometimes contains additional information such as a country code or currency code.
Is a card reader an input or output device?
A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. It is a input device and also an output device.
What does a input do?
Input refers to any information, or data, that is sent to a computer for processing. Input is often sent to the computer from a device such as a keyboard, mouse, or other input device. Putting it simple, input is the act of entering data into a computer.
What type of input device is ATM?
The input device for an ATM is a card reader, which initially identifies the account. A keypad is used to enter passwords and select transactions. A depository allows the user to deposit cash or checks.
What is ATM input or output device?
As you know, an ATM has two input devices: Card reader – The card reader captures the account information stored on the magnetic stripe on the back of an ATM/debit or credit card. The host processor uses this information to route the transaction to the cardholder’s bank.
What kind of device is an input device?
Stylus (with touch screen). Voice (using voice speech recognition or biometric verification). Although OMR cards and punch cards contain data, they are not considered input devices by themselves. It is the readers that interpret the cards that are considered an input device.
Where is the data stored on a credit card?
Credit cards–like hotel keycards, some I.D. cards, ATM cards or other bank cards–often have a magnetic stripe, commonly referred to as the magstripe, on the back. Data are stored on the magnetic band to be retrieved later by a card reader. This magstripe can be compared to a piece of cassette tape that is fastened to the back of the card.
What kind of information can a business store on a credit card?
In addition to these rules, there is certain information companies cannot store. While it is acceptable for a business to store the cardholder name, expiration date and primary account number, they cannot store the full magnetic stripe data, the CVV (three digit code) on the back of the card or the PIN.
How are the tracks on a credit card read?
There are three different tracks (or magnetic lines) on the magstripe used for holding encoded information. Credit cards basically read tracks 1 and 2. The information contained on the tracks must conform to the appropriate format in order to be read by the card issuer for the purpose of authentication.
