Final answer:
QR codes are machine-readable 2D images that can be scanned by mobile devices to launch a web site or advertising copy. They function similarly to barcodes.
Step-by-step explanation:
QR codes are machine-readable 2D images that can be scanned by mobile devices to launch a web site or advertising copy. QR codes are machine-readable 2D images that can be scanned by mobile devices to launch a web site or advertising copy. They function similarly to barcodes.
They are similar to barcodes, but they can store more information. QR codes are machine-readable 2D images that can be scanned by mobile devices to launch a web site or advertising copy.
They function similarly to barcodes. QR codes can be found in various places and are used for different purposes, such as directing users to a website, providing information about a product, or initiating a transaction.