Fact 4 19 November 2015

Guys I am going to upload something different today....
Yes,Today i am Going upload 5 short facts at once Today!
1. Apple used to make logo on their laptop upside down .This was because they had to make sure that the customer open the laptop from the correct side
2.Mouse was invented by Douglas Englabert and it was name X-Y Position Indicator.
This Symbol you see is the universal symbol of indicating on or off.Computer has two state on and off.So,On=1 & off=0 so if we combine both of these the logo comes.
The quick response code or the QR code was invented by Toyota  to view in which state of manufacturing is the car.
North Korea has its own 
operating system
Web Browser and Internet
that's all for today hope you like it

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