Bar codes store information along one axis, horizontally. QR codes store information in both vertical and horizontal axes, which allows them to hold significantly more data.

QR codes are just one of several kinds of 2-D bar code technology; Microsoft, for example, offers its own 2-D bar code technology, Microsoft Tag, which requires a mobile app to be read.

A quick response (QR) code is a type of barcode that can be read by a digital device to provide a greater amount of information than would normally be feasible.

QR codes work with people who have smartphones with camera. What about people who do not have smartphones or people with smart phones that does not have the camera function?

Quick Response (QR) codes link consumers to websites fast. Here's how to use them, and why you'd want to.

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

Businesses across England and Wales are being encouraged to download NHS Test and Trace QR codes to prepare for the launch of an official contact tracing app. The app, which is currently being ...

(TNS) — While many Californians still may be having trouble getting their digital vaccine record, those who do have theirs received a QR code. Officials recommended keeping a screenshot of that ...

QR code use at university have made little more than a limp entry within academic institutions. In theory, QR codes could be used as a medium for many applications in academic learning. It could ...