Qr Code
| A QR code is a machine-readable code that can be used to store information in a black and white graphical pattern. This code can be read by a QR code reader, which is a device that can read QR codes and extract the information stored in them. QR code readers are available for both mobile devices and computers. QR codes were first invented in 1994 by a Japanese company called Denso Wave. They were originally designed to be used in industrial applications, such as tracking parts in manufacturing plants. However, QR codes have become increasingly popular in recent years as a way to encode information for a wide variety of purposes. One of the most common uses for QR codes is to encode website URLs. This can be useful for marketing purposes, as it allows people to quickly and easily find a specific website. QR codes can also be used to encode other types of information, such as contact information, calendar events, and even GPS coordinates. QR codes are typically created as a black and white image. However, they can also be created in color. Color QR codes are less common, but can be used for aesthetic purposes or to make the code easier to read. QR codes are usually read by a QR code reader, which is a device that can read QR codes and extract the information stored in them. QR code readers are available for both mobile devices and computers. There are also a number of free QR code readers available online. |
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