How Disk Drives Work

Ever wonder what goes on inside of your computer? You might be surprised to discover that it’s not as complicated as you think.
I will explain in plain English how the computer works, from the software right on down through the actual hardware.  It’s not as magical as you think. 
The only complex thing about the computer is the jargon we have created to keep the rest of the people from having any idea how it all works.
Here it all is in plain English.