A bar code is a pattern of wide and narrow bars printed on paper or a similar material that can be read by a computer using a scanner. It is utilized to encode various kinds of data and is most commonly seen in the Universal Product Code (UPC) used at supermarket cash registers.
A printed pattern that can be read or scanned by a specific device, usually an electronic device. This technology is crucial for various applications such as grocery product labels, checks, and more.
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