Question

1) What is a skimmer and why is it important to check any credit card transaction?...

1) What is a skimmer and why is it important to check any credit card transaction?

2) Why are reader chips now in many smart phone applications .How do they work and are they secure? Why?

3) What is binary code? What does it mean to digitize something?

4) What is a GUI. Give two examples of GUIs

5) What is APPADVICE daily and why is worthwhile to use?

6) List 5 Apps you use daily

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Answer #1

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A skimmer is a small device that can scan and store credit card data from the magnetic stripe.

Once the card is run through the skimmer, the data is recorded, and the crooks can sell the information through a contact or on the Internet, at which point counterfeit cards are made. The criminals go on a shopping spree with a cloned copy of the credit or debit card, and cardholders are unaware of the fraud until a statement arrives with purchases they did not make. Thus it is important to check any credit card transaction.

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