浙江省金華市孝順高級(jí)中學(xué)高中英語(yǔ) Unit3 Computers課件 新人教版必修2

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1、A PC( personal computer)A notebook computerI am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they dont like me now. Do you know who I am?Do you know who I am?abacusRiddles(謎語(yǔ)謎語(yǔ)):I am very small. I can be used for calculating. I

2、n China, a lot of students use me when solving mathematical problems. Do you know who I am?Do you know who I am?calculatorRiddles(謎語(yǔ)謎語(yǔ)):I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because

3、Im small enough for you to take me with you.Notebook / laptopDo you know who I am?Do you know who I am?Riddles(謎語(yǔ)謎語(yǔ)):A huge computerA PCPDA / Palmtop Discussion what can we use computer to do? Work out a list and compare it with your partner.Internetsend emailsplay gamescommunicate with my friends.g

4、ather information for my lessonslisten to musicwatch moviesdo shopping onlineReadingWho am I ?Pictures and wordsPictures and words1243561. monitor 2. screen 3. CD-ROM4. mouse 5. keyboard 6. hard diskLabel each partthe main device that a computer uses to store information.the part of a computer that

5、stores information1.modem2.scanner3.printer4.chips5.CPU53124device linking a computer with a telephone line.1.Who is the teller of the story?2.What does the passage mainly talk about?Computer.It talks about the history and the applications (Use) of computers.Skimming: Listen to the tape and answer t

6、he following questions.3. In which order is the text organized?TimeTimeline1642:_1822:The Analytical Machine was made by Charles Babbage._: _ _1940s: _:The first family of computers was connected to each other.1970s:_Now:_ _The computer began as a calculating machineThe computer grew rapidly both in

7、 size and in brainpower.Computers were used in offices and homesComputers connect people all over the world together.1936The computer had grown as large as a room.1960sPARA. 1 Topic sentence: Supporting details: Over time I have changed quite a lot.calculating machineanalytical machineuniversal mach

8、inePClaptopa huge computerPARA. 2 Topic sentence: Supporting details: tubes These changes only became possible as my memory improved.transistorschipsnetworkWorld Wide Webintelligent but lonelyPARA. 3 Topic sentence: Supporting details: communications finance Since the 1970s many new applications hav

9、e been found for me.traderobotsmobile phonesmedical operationsspace rockets providing a life of high qualityHow did computer change in its size, intelligence, speed, function? And how about peoples opinion?Size: Intelligence:Speed:Function:Peoples opinion:smallerquickerclevererdealing with , communi

10、cating withclever & usefulcalculatingsimple-mindedvirtual keyboards 虛擬鍵盤虛擬鍵盤Nose-topkeyboard-vest1.What can the future computer be like?2.What can we do by computer in the future?DiscussionYou are given a chance to design a computer for yourself.Draw a picture about it and describe(描述描述) what functions it has.You will be asked to introduce(介紹介紹) your computer. (appearance &functions)