What Are QR Codes and How Are They Used?

Using QR Codes

What are QR Codes and How Are They Used? QR Codes stand for Quick Response Codes. They are two dimensional matrix bar codes. They were invented in Japan by Toyota, for keeping track of car parts in the auto industry.

QR codes differ from one-dimensional UPC bar codes in that they hold more information being two dimensional.  They are read by software which scans them and links to the information they contain.

QR Code scanners ...

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