ForumIAS announcing GS Foundation Program for UPSC CSE 2025-26 from 19 April. Click Here for more information.
ForumIAS Answer Writing Focus Group (AWFG) for Mains 2024 commencing from 24th June 2024. The Entrance Test for the program will be held on 28th April 2024 at 9 AM. To know more about the program visit: https://forumias.com/blog/awfg2024
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.
