The computer was one of the most important inventions of last century. The first computer was like a room. Now some computers are as small as television sets. Some computers can even be made smaller than a book. About 20 years ago , the computer was a strange machine in China. Not many people understood it and said yes to it.
Today much of that is changing . In 1984, when Deng Xiaoping watched two pupils working on the computers in Shanghai, he said that computer lessons should start from children. So there was the first computer book for middle school students. Now in Shanghai almost all middle schools have classrooms for computer courses(课程). Some of the students now have their own computers at home. With the help of Internet(因特网), they can send and receive messages and e-mails. They can learn about the world more quickly .
Now computers are widely used in banks, factories, airports and so on. The computer is coming into everyone's life , so it is important for us to learn how to use a computer freely.
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