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Jim Rossman: Are QR codes computer-friendly?
I have a friend who calls me occasionally to come help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and ...
An IP address (also known as an Internet Protocol address) is a short code that identifies your computer or device when you go online. Your IP address is public to any website that you visit, although ...
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