Write down how do you think contactless cards work – where customers place their debit or credit card over a card reader. 1. What information is sent between the card/smartphone and the card reader when it is placed in front of it? 2. What is the maximum amount you can pay for something using a contactless card? 3. Why is there an upper limit? 4. How many times can you use a contactless card? 5. What happens if you have two contactless card in the same wallet/purse? 6. What happens when your contactless card is stolen and you report it to the bank?

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A:

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A: Required: How Can We Check Our E-mail When We Are Away From Home?

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A: acronym of   the GSM stand  is the Global System for Mobile Communications.

Q: You've been using a desktop computer at home. You, on the other hand, just received a beautiful new…

A: Here is the solution which is mentioned below :

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A: Metro has become on of the most _important part of our lives and people of all kind travel _through…

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A: NOTE:“Since you have posted a question with multiple sub-parts, we will solve first three subparts…

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A: GIVEN: Metro has become one of the most important parts of our lives. Whether you are a student, a…

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A: As per our company's guidelines we are supposed to answer one question. kindly,repost other…

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A: Actually, memory is a used to store the data.

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A: Given that, What does the abbreviation GSM mean? What is the functionality of your SIM card?

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Fundamentals of hardware concepts

A computer system is made of a combination of hardware and software. The software consists of a set of instructions that instruct the computer to perform a task. It can be system software or application software. Whereas, hardware is the part of a computer that can be touched. In other words, computer hardware consists of the physical components of a computer. The internal parts of a computer are called components and the external hardware components are called peripherals.