高中英语第一册Unit 3 Computers课件.ppt

Unit 3 Computers,Period 2 Reading,Answer for EX1& Ex2 on P56,1.floppy disc 2. chips 3. monitor 4. modem 5.CD-ROM 6.scanner 7. keyboard 8. printer,1.printer 2.hard disc 3.monitor 4.keyboard 5.modem 6.floppy disc 7.CD-ROM,words and expression,数学的 计算器 信息技术 个人电脑 依.看,据.认为 优点 缺点 算盘 掌上电脑,Vt.,Calculate,Information Technology,Personal Computer,advantage disadvantage abacus palmtop,In ones opinion,Mathematical,Calculator (n.),IT,PC,Intelligence Analytical machine Universal machine Transistor Artificial intelligence Technological revolution function,智力 分析机 通用机 晶体管 人工智能 科技革命 功能,New Words and Expressions,Earliest computer,Analytical Machine,Nowadays computer,How does it change?,Who am I ?,Skimming:,1.who is the speaker ?,2.Whats the passage about?,Its about the history of computer.,Time,The computer began as a calculating machine,1822,Alan Turing wrote a book to describe how computers could be made to work and built a “universal machine”,Computers had new transistors and became Small and thin.,1960s,Computers were brought into peoples homes,Computers connect people all over the world together.,Scanning:,What is the order of the text?,Alan Turing,calculating machine,PC (desktop /notebook),analytical machine,universal machine,artificial intelligence,Internet,completing the chart below.,Charles Babbage,The “father” (inventor),The history of computer,Alan Turing,Charles Babbage,Q1: How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes. Q2: What makes the computer totally change his size. New transistors Q3: In which way did computers talk to humans? Using BASIC.,2. Questions,Q4: how did computer change in its size, intelligence, speed, function? And how about peoples opinion? Size: Intelligence: Speed: Function: Peoples opinion:,smaller,quicker,cleverer,dealing with , communicating with,clever & useful,calculating,simple-minded,True or False,Alan 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 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!,correct the wrong sentences,You are given a chance to design a future computer for yourself. Draw a picture about it and describe(描述) what does it look like. You will be asked to introduce(介绍) your computer. (appearance &functions),Group work,virtual keyboards 虚拟键盘,Nose-top keyboard-vest,What can the future computer be like? What can we do by computer in the future?,Discussion,Homework:,1.熟读课文,按时间顺序复述课文,记住文中的黑体字. 2.做书上P19EX1和P20EX2 3.看报纸的B2版面 4.阅读导测P19 A篇,robot,What about in the future?,1960s,Consolidation: Retelling,palmtop,smaller desktop,convenient laptop,What are todays smaller computers like?,Suppose you are a reporter. Now you are interviewing Mr. / Miss Computer. Sample questions:,What do you like to eat? What are your hobbies? What is your newest function(功能)? Can you say something about your future plan? etc., ,Role-play,Fill in the blanks: I began as a _ _ in 1642 in France. In 1822 I was built as an _ _. Then in 1936 Alan Turing wrote a book and built a _ _. As the years have_ _, I have been made _ _ _ but I got _ _ _, _ _ _. In the 1960s they gave me a family_ _ _ _. Now people call it the Internet. I was _ _ _ _ in the 1970s.So I became PC. Since my birth I have truly been built to serve the human race.,calculating machine,Analytical Machine,universal machine,gone by,smaller and smaller,cleverer and cleverer,quicker and quicker,c