Card readers are the devices used to read the cardholder and account information contained on a credit or debit card. Today's card readers are Internet-connected and can complete transactions electronically within seconds. The correct option is D:- problem-solving abilities
What are the ways to improve your problem-solving skills?
Identity and understanding the right problem.
Research the systems and practices behind the problem.
Visualize the problem.
Brainstorm creative solutions.
Identify the best answer.
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https://brainly.com/question/3759564
