Question

What is a barcode? Where is it used?

Answer 1

Answer:

Barcodes became commercially successful when they were used to automate supermarket checkout systems, a task for which they have become almost universal. Their use has spread to many other tasks that are generically referred to as automatic identification and data capture (AIDC).

Explanation:

Answer 2

Answer: hey matr here is your

answer

Explanation:

A bar code (often seen as a single word, barcode) is the small image of lines (bars) and spaces that is affixed to retail store items, identification cards, and postal mail to identify a particular product number, person, or location. ... A barcode reader is used to read the code.

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