Barcode scanners read imprinted bar/matrix code symbologies. Barcodes, also known as universal product codes (UPCs), are machine-readable data representations consisting of a series of contrasting ...
Once the scanner has read the number, a computer uses it to look up the product in a database that will contain further information such as, crucially, its current price. Other kinds of barcode ...
Barcode scanner s are a must have in the modern grocery store. They make logging and indexing of items very easy. Barcodes come in various sizes, shapes and forms, and you need a barcode scanner ...