What is Bar code for?

they mean that they are numbers of or to pertaining to the numbers on the product. Identifiers.

There is a partial list at the related site below.

Norman Joseph Woodland, Bernard Silver and Jordin Johanson were the people who initially developed it. Woodland was the person who devised it. The patent was issued in 1949. Various people and...

There are two basic advantages to barcode over manual data entry: Speed, and Accuracy. For 12 characters of data, keyboard entry takes 6 seconds. Scanning a 12 character barcode takes .3 seconds. The...

In 1948, Bernard Silver was a graduate student at Drexel Institute of Technology in Philadelphia. A local food chain store owner had made an inquiry to the Drexel Institute asking about research into...