A code that uses a sequence of vertical bars and spaces to represent numbers and information. To read the code, you must have a suitable reader. An optical machine-readable form of information on a visual surface is the Barcode. It is also known as UPC.
History of Barcode:
The Barcode was invented on the day of 26th June 1948 first by Norman J Woodland and Bernard Silver. Both of them were students of Drexel University.
UPC:
UPC means the Universal Product Code, a 12-digit unique number that represents retailers and merchandise. George Joseph Laurer III is the pioneer who invents it. He was an American engineer. He developed the UPC in the early 1970s.