https://www.geminicomputersinc.....com/pos-restaurant-
Barcodes are a collection of black and white lines that can be read by a maker. The widths and also spacings of the lines stand for special data that can be translated by a scanner. Barcodes were created as a way to track inventory in food store. Today, they're used in all type of markets to track whatever from publications to animals. Barcodes are read by a scanner, which converts the lines into electrical impulses. The scanner then sends these impulses to a computer system, which equates them into numb