The QR code (abbreviation for Quick Response code) is a specific matrix barcode (or two-dimensional code) that is readable by dedicated QR barcode readers/scanners and camera telephones. The code consists of colored, usually black, modules arranged in a square pattern on a white background. The information encoded may be text, uniform resource locator (URL), or other data.
Common in Japan, where it was created by Toyota subsidiary Denso-Wave in 1994, the QR code is one of the most popular types of two-dimensional barcodes. The QR code was created to allow its contents to be decoded at high speed.
QR Codes Users Data
QR Codes are readable from any direction in 360 degrees and accomplishes this task through position detection patterns located at the three corners of the symbol. These position detection patterns guarantee stable high-speed reading.
The QR Code below links to an online quiz that covers our next topic...
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