Operating Systems
Operating systems, oh boy this is going to be fun.
As you can plainly see in this image, the operating system is the brain equivalent of a computer... kind of, everything runs through it, and so it largely dictates how things are done and such. As well as being the brain it is also the backbone, holding everything up keeping it all together and in harmony, the OS is pretty important. The operating system itself is a program that runs on the computer. Keeping with the theme of the brain, the OS performs tasks such as recognizing inputs on the keyboard, y'get it now?