By Jasreet Kaur03, May 2024 06:00 PMjagranjosh.com
Barcode
A barcode is a machine-readable representation of data in a visual format. It consists of parallel lines of varying widths and spacing. Tap to read what is barcode know how it works.
Invented in 1952
The barcode, created by Norman Joseph Woodland and Bernard Silver, got its first patent in 1952.
Two main types
Barcodes come in two types: one with lines (1D) and another with shapes (2D), like squares or dots.
Barcode symbologies
There are many types of barcodes, like EAN-13 or Code 128, each with its own set of rules.
Applications beyond retail
Barcodes aren't just for stores; they're also used in healthcare and logistics for tracking items.
Evolution
Scanners have come a long way from lasers to cameras in smartphones that can read barcodes.
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