Computers do not help children to learn more effectively. On the contrary, their usage has a negative effect on both the physical and mental development of young people. To what extent do you agree or disagree?

negative:

(1)neglect studies

(2)It gives rise to psychological problems. An Internet-addicted person lacks enough social interaction, resulting in inability to distinguish between fantasy and reality. Those people tend to be a bit isolated, self-centered and even a bit eccentric. It also exerts a negative impact on the growth of the youth because of the availability of obscene and violent items on line.
Isolation, lack social interaction, foster self-centeredness

(3)Over-indulgence in the Internet will do harm to one’s health：myopia/near-sightedness. Lead a sedentary life. Pose physical risk for children, visual strain, obesity, posture and skeletal problems

positive:

(1) The Internet accelerates the flow of information and spreads education to all corners of the globe.
Play a role of education and become powerful academic resources.
A means of remote education.
No teacher in the world can be compared with computers. They are attractive, friendly and patient. Computers never scold you for even your most foolish blunder.
Educational software, a broad range of skills

(2)We can make friends with people from all parts of the world. It overcomes the geographical barriers and makes the world smaller. It enables us to get contact with the wonderful outside world.
Games Teach Us About Life
Games are simplified models of the real life in the society. Most of the rules governing a social life are highlighted in games. Games teach us strategy and intelligence about life.
think quickly, analyze precisely, and imagine wildly, build up our characters – perservance, carefulness, courage, confidence
know how to cope with those difficulties in the life.
Violence in computer games and the internet makes it possible for us to give vent to(发泄) such feelings vicariously through the stories of others.

(3) react promptly,
occur only as a consequence of frequent and prolonged computer sessions
A strict watch over(监控) the use of computers is the best way to reduce its demerits to the minimum. In the case of normal usage and normal operating conditions, however, research has shown that computer monitors are safe and do not harm our eyes and that computer monitors emit little or no harmful radiation.