We regularly come across some lines marked on the back of products. Wh

1.	We regularly come across some lines marked on the back of products. What are they called?
Answer» Bar-CODE spooler scanner output reader Solution :A barcode is an optical machine-readable representation of data relating to the object to which it is ATTACHED. It serves as the universal product code. Barcodes orginally were scanned by special optical SCANNERS called barcode readers. Later, scanners and interpretive software BECAME AVAILABLE on devices including desktop printers and smartphones.

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