Barcode is a
set of light and dark bars (lines) with different width pasted on different
products Barcode Reader is an input device. It gathers information by reading
barcode.
Every
barcode has a series of number known as Universal Product Code (UPC)
It reflects
the country of origin manufacturer’s code, product’s name and check digit (to
verify code).
Barcode
reader is a laser
scanning device. Usually, a barcode reader is attached to a computer. It
translates the form of barcode. This information includes batch number and
product name etc. barcode reader is mostly used in supermarkets, pharmacy,
libraries, etc.
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