Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device, ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations ...

Get the latest federal technology news delivered to your inbox. Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that ...

QR codes are designed to be scanned using a camera, such as those found on your smartphone. QR code scanning is built into many camera apps for Android and iOS. QR codes are most often used to store ...

Anatomy of a QR code While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths. At the ...