What is Bar Code ? and How it work?

What is Bar Code ?

• this time a post about the bar code number systems and how it work bar code system.
• so it's start it...

• the Bar code is machine readable and writable data system.
• there are many data system is used in bar code lick.

1. Code 39.
2. Code 128.
3. Interleaved 2 of 5.
4. UPC(universal product codes).
5. EAN(international article number).
6. PDF 417.
7. Data matrix.

• Example , you can bay any product and see bar code in packet you scan code and see product details .

How it work : .   

• one is a bar code is compress data form machine data system .
• After compress data this is get line codes and numbers see up images.
• Example , you scan product bar code that time bar code scanner is extract the bar code and  translate human language.