How does the computer work? Here i will show you how the computer is build up how it works. Lets start with CPU. CPU: This is the CPU stands for "Central Processing Unit" this is the brain to the computer. This is why you can running diffrent programs at the same time. If you press "CTRL+ALT+DEL" you can take a look at the CPU. The jobb to the CPU is to run programs you want the computer to run. When you click on a program the RAM are getting the data to the CPU. RAM: This is the RAM stands for "Random Access Memory" this function work is to give the data to the CPU so the it can run a program. If you have alot of RAM you start up the programs faster since they send more information faster to the CPU. How do we comunitcate with the computer? Only way we can comunicate with the computer is with a "Keybored" and "mouse". Without the mouse and keybored we could't do any tasks on the computer. When we do a task on the computer we can see it on the screen so displayed on the computer. So the Screen is the output and input is the "keybored" and "mouse" AMU: This is the Hard drive of the computer it stands for Auxiliary Memory Units. This is why you can store data on your computer if this did't exist you could't store anything at the computer. This can be called your root of the computer "C:" Secondary AMU's: This will go under the name CD room, Floopy disks, CD, This can be called secondary storage places on the computer. This are normaly used to copy important information on so you don't want to los. Why should i make a copy of important information? Well sometimes things can happend to the computer like the Auxiliary Memory Unit Crash. This will say that the hard disk wont boot up. or mabye you get Virus infection so is destroying your computer.