What is BarCode?                                   Read Bar39          Read About Bar128

A code consisting of a group of printed and variously patterned bars and spaces and sometimes numerals that is designed to be scanned and read into computer memory as identification for the object it labels. Each of the digits zero through nine are represented by a different pattern of bars that can be read by a laser scanner. The bars are commonly found on consumer products and are used especially for inventory control. A barcode is a machine-readable symbol used to encode information in order to automate a business process. Examples of business processes are retail sales, shipping and tracking, inventory management, warehouse management, asset tracking, and automated data entry.

 Use   of Barcode

In recent years, nearly all the products one finds in the shops are managed through the use of barcodes.
These barcodes are a form of coded information: all the data pertinent to the products are compressed within them. In other words, this coded information called barcodes have an equal value to the products themselves. we usualy get barcode in book as ISSN number.

Illustration for the uses of  BarCode