Computer Science, asked by AkileshBalu1234, 4 months ago

explain bar code / QR code reader ​

Answers

Answered by luckyyadav82
2

Answer:

A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached

Answered by kikii121103
4

Answer:

Answer:A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached.

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