Tips in studying computer

I do not have special education about computers, learning autodidact, because the demands of work and most of all is the motivation could want. I started to learn computer-worker friends who are both learning from scratch, but wondered at by my friends .... that is why I can while they still can not. Why? It turns out that I feel there are a few tips I can share, especially for my students who felt the difficulty of learning the computer, the difficulty to obtain the value of a good computer, or to all who need it: