Question

When is barcode reader used for input and how?

Answer 1

barcode readers are generally used by the shopping marts and big shops and library while selling things. the barcodes have special information stored in them and when we sense kt with our barcode scanner it reads the codes and get the information. this helps in maintaining the inventory.

Answer 2

a barcode reader to handle Hell or stationery input device used to capture read information contained in a barcode barcode reader consists of lens light resource and light length which transfer optical increases into electric once