Question

write down definition of Bar code
in computer science​

Answer 1

Answer:

barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths and spacings of parallel lines. ... 2D barcodes can be read or deconstructed using application software on mobile devices with inbuilt cameras, such as smartphones.

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Answer 2

Answer:

A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths and spacings of parallel lines. ... 2D barcodes can be read or deconstructed using application software on mobile devices with inbuilt cameras, such as smartphones.

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