The following conversation is made by one of my friends and me. Friend(F): I have some words that I want to say you.Me(M): Are you just aware of the feeling of thanks to me at last? F: I’m not a person who did you say. M: Well, actually ar…

Computers have changed Human life dramatically. By nature, human beings couldn’t get done with their work well. By emergence of PC, we couldn’t have been able to get done with work remarkably, and then our life has been going hectic rapidl…