Process of booting up a computer into an operating system involves several steps. Similar to all other things, computer also does require to go through some steps before it is properly setup to be used by end users. Let us examine other example. When we put our car key into the car's start ignitor, there are backend processes involved in getting the engine up and running. Start off by battery generating voltage to the spark plug the generate fire sparks within engine till the end of process of getting all engine's valve rotate up and down providing gasoline combustion to generate heat to power up the car. Well, that is for car and in this case we'll be looking more into the process of how does a computer boots up.