General computer courses, computer basics, others are a little deeper. Only by learning from your own books or working as an apprentice in a computer shop, you can accumulate experience and learn new knowledge basically every day. You can also buy a book and learn the basics yourself. It's very simple, and then you'd better go to a computer shop as an apprentice. You can learn more professional knowledge without paying tuition. Moreover, introducing customers can get commission and increase some social experience, which is good for their future. He who suffers hardships is a master.