Turning on/off a technological life...

Tomorrow I am going to give a presentation about "How to turn on and turn off" a computer in the safest way. So far it looks like it is going to be a very easy presentation because that is the first thing we learned when we decided to get into a "technological life". However, this is very important to my training because the trainer asked to do three questions in order to give our classmates the day of the final test. So I have to do a very good explanation about that, and see if my colleagues can understand me correctly. When you are in a learning process any step you do is important, no matter how easy it could be seen.