Mains Guidance Program (MGP) for UPSC CSE 2026, Cohort-1 starts 28th January 2025. Registrations Open Click Here to know more and registration.
News: Recently, engineer-scientist George Laurer, co-developer of Barcode, passed away.
Facts:
About Barcode:
- A barcode, consisting of bars and spaces is a machine-readable representation of numerals and characters. It is also known as Universal Product Code (UPC). It is used to efficiently identify and track objects and people.
- Barcode was co-developed by George Laurier and Norman Joseph Woodland in 1973.
Types of Barcode:
One-dimensional barcode:
- Numeric-only barcodes: barcodes consisting of only numbers.
- Alpha-numeric barcodes: contain a combination of numbers and alphabetic characters.
Two-dimensional Barcode: It is in the shape of a square or rectangle and contains many small dots arranged in a unique pattern. It is also known as Quick Response (QR) code.
Discover more from Free UPSC IAS Preparation Syllabus and Materials For Aspirants
Subscribe to get the latest posts sent to your email.