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Quick Response (QR) Code

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Quotes of the day:

Treasure the love you receive above all. It will survive long after your gold and good health have vanished.

— Og Mandino

A Quick Response (QR) Code is a type of barcode that can be read by a digital device and which stores information. A quick response code, also called a QR code, is most frequently used to track information about products and is often frequently used in marketing and advertising campaigns. QR codes consist of black squares arranged in a grid (matrix) on a white background. QR code readers can extract data from the patterns that are present in the QR code matrix. QR codes are considered an advancement from older, two-dimensional barcodes.


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