1、整理課件 Unit 3 Computers整理課件CD / DVD-ROM monitorLCD monitorCPUhard discmotherboardParts of computersCentral Processing Unit整理課件keyboardmousemodemscannerprinterspeaker整理課件floppy discUSB flash discCD/DVD/VCDMP3 player整理課件 What is PC? Speak the whole name.It means: personal computer.2. What is IT?Informat

2、ion Technology.3. What is CD-ROM?Compact disc read-only memory.4. What is PDA?Personal digital assistant.整理課件5. What is ?World wide web.6. 科學技術。科學技術。Science and technology.7. 人工智能。人工智能。Artificial intelligence.8.筆記本電腦。筆記本電腦。Notebook computer.整理課件 Brainstorm computeron lineoff lineclicksoftwarehardwar

3、esearchupdatedownloadInternetwebsiteThink as many words aspossible related to computersa search enginesurf整理課件other useful words and expressions about computerNetwork 網絡網絡Program程序程序Virus病毒病毒Hacker 黑客黑客Up load 上傳上傳Home page 主頁主頁Password密碼密碼Desk top 桌面桌面User name 用戶名用戶名整理課件 Look at these pictures. Wh

4、at do they have in common? 2. What do they tell you about the development of computers? 3. What do you think will be the next development?整理課件Whats next?整理課件(What do they have in common?)vI think thatvIn my opinionvI believe thatvWhats your reason?vWhy do you think so?1.They can be used for calculat

5、ing. 2.They can deal with math problems.3.They are our friends.4.They are useful and helpful.整理課件 Work in pairs. Try to put these inventions in an order according to the time when they appeared. Then read the passage quickly and check to see if you were right. ( ) analytical machine ( ) laptop ( ) c

6、alculating machine ( ) robot ( ) PC ( ) universal machinePre-reading整理課件1. Who am I ?2. Whats the main idea of the text?A. The computer wants to find “who he is”.B. The functions(功能功能) of the computer.C. The computer becomes popular around the world. D. The history and the applications of the comput

7、er. Look at the pictures and the title of the reading passage. Predict what it is going to be about.skimmingI am a computer.整理課件16421822The analytical machine was made by Charles Babbage.1940sThe computer began as a calculating machineThe computer grew rapidly both in size and in brainpower.Finish t

8、he timeline 1936Computers had grown as large as a room.Size: brainpower:largermore powerful整理課件The first family of computers was connected to each other.1970s now1960sComputers were used in offices and homes.Computers connect people all over the world together.tubes transistorssmall chipslarge small

9、 sizesmall large memoryComputer: sizesmallerbrainpowerpowerful整理課件Paragraph 1Paragraph 2TopicsentenceParagraph3TopicsentenceReading for topic sentences整理課件Paragraph 1Paragraph 2Topic sentenceSupporting details整理課件Paragraph 3Topic sentenceSupporting details整理課件DevelopmentNameFunction PoorStrongA _ ma

10、chine_difficult sumsAn _ machineThink _and produce an answer_A _ machineSolve difficult _calculatinganalytical universal mathematical problemsSimplifylogicallyquickly整理課件Development_ stored inTubesLargeSmall_Small chips_Narrow WideFinance_RobotsMobile phones_Space rocketsMedical operations MemoryTra

11、nsistorsApplicationsCommunicationTrade整理課件 I began as a _ _ in France in 1642. In 1822 I was built as an _ _. Then in 1936 Alan Turing wrote a book and built a _ _.As time _ _, I was made _. These changes became possible as my _ _. In the early 1960s they gave me a family _ _ _ _. Now people call it

12、 the World Wide Web. I have been _ _ _ _ _ since the 1970s. So I became a PC. Im happy to become a devoted friend and helper of the human race.calculating machineanalytical machineuniversal machinewent byconnected by a networkused in officessmallermemory improved and homes整理課件 Brainstorm a list of u

13、ses for computers. with computers without computers Send emails Word processing Search for information Chat on line Watch films or series of TV programs Store information Write letters Write by hand or typewriter Look in library Go to the cinema Write everything down 整理課件1. use computer for school w

14、ork You Your partner2. play games on the computer3. send emails to friends4. surf the Web for fun5. download music and films6. chat online7. search for information 8. look at photographs9. do shopping onlineHow do you use computers and the Internet?整理課件II. 用括號內所給詞的適當形式填空。用括號內所給詞的適當形式填空。1. Music has been called the _ (univer