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A QR code (quick-response code[1]) is a type of two-dimensional matrix barcode, invented in 1994, by Japanese company Denso Wave for labelling automobile parts. [2][3] It features black squares on a white background with fiducial markers, readable by imaging devices like cameras, and processed using Reed–Solomon error correction until the image ...
QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.
The term stands for Quick Response Code. QR codes are square barcodes (two-dimensional barcodes) that were first developed and used in Japan. Like any other barcode, a QR code is nothing more than a way to store information in a machine-readable optical label.
A QR code is a square barcode that can contain information such as a URL, Wi-Fi password, or contact card, and it can be scanned easily by a smartphone camera. You've probably seen QR codes---those black and white boxes with small squares arranged in seemingly random patterns.
You can use a QR code to store and recall website URLs, shipping information, automotive parts numbers, and other complex information. But in most situations, QR codes are just shortcuts to websites or apps.
What is a QR Code? A Quick Response Code is a popular type of two-dimensional barcode. It encodes alphanumeric information. To decode this, you can either use a handheld scanner or even a QR Code scanning application on your smartphone. Did you know?
QR codes (or Quick Response codes) are two-dimensional codes that you can scan with a smartphone. The code contains information, usually a site address, and once you scan it, the code connects you with a resource on the web.