A barcode is a machine-readable representation of data in a
visual format. It consists of a series of parallel lines, spaces, and numbers
that can be read by an optical scanner. The scanner interprets the code and
sends the information to a computer for processing.
There are several types of barcodes, including:
UPC (Universal Product Code) - used primarily in the retail
industry to identify products and their prices.
EAN (European Article Number) - similar to UPC, but used
internationally.
Code 39 - a commonly used alphanumeric barcode used in the
automotive industry and for inventory management.
Code 128 - a high-density barcode used for shipping and
product identification.
QR (Quick Response) Code - a two-dimensional barcode that
can store more data than traditional barcodes, often used for advertising and
marketing purposes.
Data Matrix - a two-dimensional barcode that can store large
amounts of data in a small space, often used in logistics and manufacturing.
PDF417 - a two-dimensional barcode used for storing large
amounts of data, commonly used in the transportation industry for ticketing and
tracking.
These are just a few examples of the types of barcodes
available, and new variations are continually being developed to meet specific
business needs.
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