Computers in the Clssroom

It is a very fast develop of the world,so the computer is important for everybody, we use it in the classroom what is an advantage and a disadvantage. The advantage of using the computer in the classroom is : First, the internet has opened the world to many people, the students can get more information to study. they know a lot of things through internet what they don't know befor. Second, the students can make a friends through internet, because they like to visit with other students. The disadvantage of using the computer in classroom is : First, the students are able to use the internet everyday , if the students use it for a long time, it is harmful to students' eye. Second, many students use it to play games, they don't interest in studing. So i think the teacher should be tell the students how do you use the computer and which is useful for them.