Bar codes identify the item and the price. They are used by a computer to provide the price and for inventory purposes.
Countries do not have bar codes. They may have calling codes, or postal codes, internationally recognised. Bar codes are usually for items on retail sale.
There are many ways bar codes have improved society. What is arguably the best example is the use of bar codes and scanners at store checkout counters to quickly and accurately price items to speed checkout.
There are many ways bar codes have improved society. What is arguably the best example is the use of bar codes and scanners at store checkout counters to quickly and accurately price items to speed checkout.
Well, CEX is a formula that is used to make bar codes for items and is very hi-tech.
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Yes, bar codes are useful for society. Just to cite a single example, modern retail relies on them to quickly and accurately price items for rapid checkout.
as items are taken out the fridge monitors the bar codes and creates a shopping list.
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They are used to classify which items you are buying and how much they cost. This is a quick and easy way for you to check out with different items and the store can inventory the items that were sold.
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Bar codes are used on almost all the products we see in stores. The store uses that bar code to automate and speed checkout.
Those newer bar codes are still bar codes, but they are 2-dimensional bar codes, and we call them quick response(QR) codes.