Inside your PC
In 1947 the first computer "bug" was found, It was a moth.
The first electronic computer ENIAC weighed more than 27 tons and took up 1800 square feet!
If there was a computer as powerful as the human brain, it would be able to do 38 thousand trillion operations per second and hold more than 3580 terabytes of memory
In this day and age almost everyone has some form of computer.
So it's important to have at least a basic knowledge of how your computer works.
Information on this page is cited from Soincrediblelab.com