Computer is very useful and it's very easy to use, too. Through the computer, I can study on the internet, read books or comics, watch films, listen to music, type a document, play games to relax. And I can also shop online to buy everything that I want, send e-mail or chat with my friends although they're very far from me, upload my videos and download the videos that I like. Nowadays, computer is an very important prat of the human life.
Computers are useful in many ways. First, they are fast. They work with information much more quickly than a person. Second, computers can work with lots of informations at the same time. Third, they can keep information for a long time. They do not forget things the way people do. Also, computers are almost always correct. They are not perfect, of course, but they usually do not make mistakes.