QR Code which stands for Quick Response Code is a machine-readable code consisting of an array of black & white squares, particularly used for storing URLs and other such information for reading by the camera on a sensible phone.
QR Code Technology was originated from Japan, where it had been invented by a two member team of Denso Corporation. It is widely used today and simply read by any smart phone available within the market. They were designed to overcome the capacity limitation of Barcodes. It has a storage capacity of upto 4,296 alphanumeric or 7,089 numeric characters, and counting on the extent of error correction chosen, up to 30% of smudged data on the tag can be restored.
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