What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web tracking. QR codes have been around for a long time. They were first ...
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Difference between a barcode and a QR code
A Barcode is a 1-D code that contains just simple numbers or letters. A QR Code is a 2D square code that can contain a lot more information such as website links, payment information, contact ...
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