If price was part of the barcode, it would have to be changed every time the price was changed. Replacing a large number of barcodes would be both time consuming and expensive. It is better to just change the price in the database, and keep the barcode for inventory control the same.
It's part of the shop's computer system. It scans the bar-code - which is then interpreted by the computer and the items price is displayed.
Most bar code scanners will give you the price of an item , but if you are shopping and find one that does not , the price will come up at the checkout when you plug the scanner in .
Yes and No Yes if the store have entered the code into its computer. However, You can not get the price just from the code itself.
price
Because a bar code lasts for years, and prices vary. Because a bar code crosses borders, and currencies differ
No you can not because they do not have a price tag, or a bar code.
A data matrix bar code is used on almost very product which is found in stores. The data matrix bar code is used to identify a product and find the price in a computer system.
The bar code reader is used to read printed bar codes. It allows an attached computer to identify a product or item on which a bar code it printed and, most importantly, price that item to automate and speed checkout in a store or market.
The bar codes are programmed into the cash registers to easily price an item. All bar codes are different, and have a unique code to determine which product it is!
Everything the store sells - is stored on a computer - along with the price. The bar-code on the item is unique - in that (for example) all identically-sized tins of carrots from the same supplier have the same bar-code. When the tin is scanned, the computer interprets the bar-code and adds the item to your bill. It also prints the item price.
A bar code is used to identify a product or item. That's all. Other information associated with that bar code is held on the computer server that is linked to the bar code scanner. That other information could include what the item is, its price, brand, size/weight, and many other particulars. The scanner is able to identify the item, and once the bar code has been used for that, the computer server does the rest.
A price scanner is often found in supermarkets and they allow customers to check the price of any given product. A price scanner works by reading the bar code.