Question

A smart card is _____. A device about the size of a credit card that stores and processes data a device inside the body of the computer used to store data a library card the brains of the computer

Answer 1

I believe the answer is A

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Answer 2

A smart card is a device about the size of a credit card that stores and processes data.

Step-by-step explanation:

Smart card is a card that generally resembles in shape and size to a conventional magnetic stripe plastic credit card. In addition to being used on bank and personal identification cards, it is also found on GSM mobile phones (the "chip" usually located behind the battery). The big difference is that it has processing power because it incorporates a microprocessor and memory (which stores various types of information in electronic form), both with sophisticated security mechanisms. More and more credit cards use the technology.