Question

3. A __________consists of rectangular black and white lines of varying thickness that contain machine understandable data fill in the blanks
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Answer 1

A Barcode consists of rectangular black and white lines of varying thickness that contain machine understandable data

Answer 2

Answer:

Barcodes

Explanation:

a bar code(also bar code) is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode.