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Nowadays, computer has become an essential part in modern life However, there are still many different opinions about the advantages of computer Whether have computers made the world a better and safe place? My view is that computers really bring many benefits for human First of all, we can’t deny that our life become more comfortable and convenient than before thank to modern technology Especially, computers help increase productivity in factories and offices People not need to some kind of heavy works and managers could control and solve problems without moving Besides, people could save natural resource and reduce pollution by using computer Because, in studying and working, computers have replaced paper which is from wood Secondly, along with another modern technology, such as cameras, there is a decrease in crime rate Cameras can record 24/24 and then through computers we know everything happen where we live Moreover, government could control criminal activities and use it as evidence to force them On the other hand, since the appearance of computers, more and more people rely too much on them Instead of working by themselves, some people try to use computers, which affects negatively to their health, and leads to some kinds of disease like obesity and eyehurting All things considered, I still remain that computers bring a better and safer world to live, although there are few disadvantages However, we can improve them by controlling the habit of using computers