The full form of QR Code is Quick Response Code. It’s used on Computing ,General Computing in Worldwide
A quick response (QR) code is a type of barcode that can be read easily by a digital device and which stores information as a series of pixels in a square-shaped grid. QR codes are frequently used to track information about products in a supply chain and often used in marketing and advertising campaigns.
QR codes are considered an advancement from older, uni-dimensional barcodes, and were approved as an international standard in 2000 by the International Organization for Standardization (ISO)
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Next to being used for linking to share links, QR codes can contain other types of information:
- A QR code on a business card can contain an electronic version of the contact information. Scan the code and the reader application adds the contact to your address list.
- A QR code can contain event information. Scan the code on a poster for a concert and the app automatically adds its name, date, and location to the agenda on your smartphone or PC.
- A QR code can contain an SMS with a phone number and text. Scan the code and the scanning app lets you automatically participate in some contest to win fabulous prices.
- A QR code can contain an e-mail message with a subject and message text. That message can be a request for information so that in return you might get a reply email with additional information and attached files.
- A QR code can contain a geographical location. Scan the code on a poster advertising for a restaurant and its location becomes available to your navigation software, informing you how to get to that place.
- A QR code can contain WIFI configuration data. Scan the code and your Android device automatically configures itself to use the wireless access at the hotel.
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