Barcode scanners

I think most of us already knows what bar code scanners are? Well, If you loved doing shopping then you surely know what I'm talking about. lol* Barcode scanner is an electronic device which is being used for reading printed barcodes. With today's advanced technology it's not a surprised that every item present in stores and malls has bar codes. Infact some shopping malls provides handheld barcode scanners to mall shoppers for thier shopping convenience.