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2. Card reader - Wikipedia

   en.wikipedia.org/wiki/Card_reader

   A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...

3. Payment terminal - Wikipedia

   en.wikipedia.org/wiki/Payment_terminal

   PAX Technology S90 credit card terminal with a Visa card inserted.. A payment terminal, also known as a point of sale (POS) terminal, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly" [1]), is a device which interfaces with payment cards to make electronic funds transfers.

4. How to make payments with your phone - AOL

   www.aol.com/finance/payments-phone-164336000.html

   If you want to pay with a different card, open your Google Pay app and swipe through your available cards until you find the one you want to use. Then, hold your phone over the credit card reader ...

5. CCID (protocol) - Wikipedia

   en.wikipedia.org/wiki/CCID_(protocol)

   CCID (chip card interface device) protocol is a USB protocol that allows a smartcard to be connected to a computer via a card reader using a standard USB interface, without the need for each manufacturer of smartcards to provide its own reader or protocol. [1]

6. 6 Riskiest Places To Swipe Your Credit Card and How To ... - AOL

   www.aol.com/riskiest-places-swipe-credit-card...

   Find somewhere else to use your card. Jiggle the Reader: Before you swipe your card at a nonmonitored location like an ATM or fuel pump, give the reader a slight tug. If anything seems loose, don ...

7. Memory card reader - Wikipedia

   en.wikipedia.org/wiki/Memory_card_reader

   Most card readers also offer write capability, and together with the card, this can function as a pen drive. Some printers and Smartphones have a built-in card reader, as do many laptops and the majority of Tablet computers. A multi card reader is used for communication with more than one type of flash memory card. Multi card readers do not ...