ATM
What Is FDK (Function Display Key)?
At ATMs, transaction selection and processing are carried out using the buttons on the right and left of the ATM screen. These buttons are called FDK (Function Display Key) buttons. Does every ATM have FDK?
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ATM
What are an ATM's Input and Output Units?
The units that let an ATM receive data are called Input Units, and the units that display data are called Output Units. Learn about the card reader, keypad, speaker, display, receipt printer, and cash dispenser.
Payment Systems
Why Am I Getting an Error When I Try to Pay with a TR QR Code?
In payment or cash withdrawal transactions, the TR QR Code is generated by the POS or ATM. The card issuing bank must build its systems to read and act on this code. Errors usually stem from mishandling the long and short QR code flows, which are explained here.
Credit Card
Apple Is Rewriting the Card World...
Most of us remember the impact the first iPhone, introduced by Steve Jobs on January 9, 2007 and revolutionary for its time, had on our lives. In a similar way, a product that will completely change how we use and view credit cards...