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1、AI,Unit 3 Computers,READING,WHO AM I ?,A huge computer,A PC,the history of the computer,PDA,abacus,laptop,calculator,Pre-reading,1. Who am I ?,2. Whats the passage about?,Its about the history of computer.,3. In which order is the text written?,According to the time,I am a computer.,True or False,Al

2、an Turing built an Analytical Machine to solve any mathematical problems. People began to realize that the computer got cleverer and quicker with time passing. The computer began to serve the human race since it was brought into peoples homes. Since the 1970s, the computer was used by people around

3、the world through the Internet. 5. The larger the computer is, the more memory it has.,F,T,F,T,F,a universal machine,its birth,I became small and thin but I got cleverer and cleverer, quicker and quicker. And my memory became so large that I couldnt believe it!,calculating,analytical,cards with hole

4、s,universal machine,memory,laptop,the early 1960s,share,network,ways,Discussion:the advantages (1)communicate with friends (2)listen to the music (3)see films & watch news (4)play games (5)do shopping (6)save a lot of time (7)do a lot of useful things,Discussion:Disadvantages (1) Some people especia

5、lly the teenagers are addicted to (痴迷) the computer games and chatting on the Internet. As a result,they have little time to study. (2) Some people use the computer wrongly.,Conclusion There is no doubt that computer has two sides, too. If we make good use of it, it will make our lives more colorful and convenient. But dont lose yourself in playing computers. Just remember: Keep fit, study well and work hard

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