What is the barcode and how to read

Whichever product you did not buy it certainly put a bar code that can tell a lot in particular in the barcode necessarily present figures showing the country in which the material or goods produced.

Barcode is a graphical representation of numbers (letters) in the form of bars and spaces designed for automatic reading of technical devices.

In bar codes contains the following information:
– Country of origin, ie country of the manufacturer or the seller (the “flag of the country”),
– The manufacturer,
– The name of the product, its consumer properties, dimensions, weight, color.

Bar codes are used for computer processing – modern cash registers – are computers that have the reader, you have bought the goods, cash register reads the bar code and the computer memory is called the price of this product (prices are set by the store and are stored in the computer for one and the same product with the same barcode in different stores may have different prices).
Basis for barcoding taken American standard UPC (Universal Product Code), developed on its basis the European system – EAN. The main differences systems – the length of the digital series (UPC – 13 digits, and EAN – 12).