Question

Q=9

when is bar code reader used for input and how.

Answer 1

A barcode reader/scanner are generally used by Malls , big shops , places where import and export of goods are being done . It is used to read or scan the barcode because it help us to read the information stored in the barcode .

Answer 2

$hey \: frnd$
$here \: u \: answer \:$
♠♠ Barcode reader 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 read the codes and gets the information.

♠♠ this help in maintaining the inventory.....