,高中英语课件,（金戈铁骑 整理制作,）,高中英语课件（金戈铁骑 整理制作）,1,Unit 3 Computers,Period 1,Warming up,Unit 3 Computers,2,Heavy!,Difficult!,Hard!,Tired!,Heavy!,3,Easy!,Fast!,Free!,Easy!,4,keyboard,mouse,monitor,screen,speaker,host computer,camera,keyboardmousemonitorscreenspea,5,What do they have in common?,an abacus,a calculator,a desktop,a notebook computer,a laptop,What do they have in common?a,6,digital camera,a robot,digital camera a robot,7,(What do they have,in common,?),I think that,In my opinion,I believe that,Whats your reason?,Why do you think so?,1.They can be used for calculating.,2.They can deal with,maths problems.,3.They are our friends.,4.They are useful and helpful.,Discussion,(What do they havein common?)I,8,work for us in Mars(,火星,),Whats next?,work for us in Mars(火星)Whats,9,carry things,work in wars (,战斗,),carry thingswork in wars (战,10,仿真机器人,entertainment,娱乐,What do you think will be the next development?,仿真机器人entertainmentWhat do you,11,CD-DVD-ROM,-DVD RW,CRT monitor,LCD monitor,CPU,hard disc,chips,/motherboard,some hardware:,使用,阴极射线管,(Cathode Ray Tube),的,显示器,LiquidCrystalDisplay,CD-DVD-ROMCRT monitorLCD mo,12,keyboard,mouse,modem,scanner,printer,speaker,keyboardmousemodemscannerprint,13,floppy disc/disk,USB flash disc,CD/VCD/DVD,MP3 player,MP4 player,Memory:(,存储器,),floppy disc/diskUSB flash disc,14,移动硬盘,USB,Flash disc,1 TB,固态硬盘,T,硬盘,Hard disc:,移动硬盘USB1 TB 固态硬盘THard disc:,15,Core 2 Duo,酷睿,2:4,核,龙芯,8,核,cpu:,Core 2 Duo酷睿2:4核龙芯8核cpu:,16,other useful words and expressions about computer:,Network,网络,Virus,病毒,Download,下载,Up load,上传,Program,程序,Website,站点,Hacker,黑客,Home page,主页,Password,密码,Desk top,桌面,User name,用户名,Click,点击,Software,软件,Hardware,硬件,Home page,主页,other useful words and express,17,Reading:,Who am I?,Reading:,18,Skimming:,Read and answer these questions:,2.Who was the first person to invent the earliest computer?,3.Who was the next important person to design computers?,Charles Babbage,Alan Turing,1.,Who am I?,A computer.,Skimming:2.Who was the first,19,timeline,1642:,1822:,1936:,1940s:,1960s:,1970s,:,Now,:,Scanning:,The computer began as a calculating machine.,the Analytical Machine was built by Charles Babbage.,The computer grew rapidly both in size and in brainpower.,Computer had grown as large as a room.,Computers were used in officers and homes.,Computers connect people all over the world together.,the first family of computers was connected to each other,timelineScanning:The computer,20,The history of,computers,The history of,21,the second generation,(1956-1963),the third generation,(1964-1971),the fourth generation,(1971-),The first generation,(1945-1956),the second generationthe third,22,The development of computers:,Calculating machine,Analytical machine,Universal machine,Artificial intelligence,Computer,Internet,计算器,分析机,万能机,通用机器,人工智能,The development of computers:C,23,Develop-ment,Early days,Name,Function,Poor,Strong,A,_,_ machine,Simplify difficult sums,An,_,_ machine,Think logically and produce an answer quickly,A,_,_ machine,Solve difficult,_,_,_,calculating,analytical,universal,mathematical,problems,Develop-mentEarly daysNameFunc,24,Develop-ment,Network times,_ stored in,Tubes,Large,Small,_,Small chips,_,_,Narrow,Wide,Finance,_,Robots,Mobile phones,_,Space rockets,Medical operations,Memory,Transistors,Applications,Communication,Trade,Develop-mentNetwork times_,25,Intensive reading:,Underline the phrases&sentences that you think are important,Intensive reading:,26,Star sentences:,P1 L2,I _instructions from cards with holes.,P1 5,Earlier I was not very big,but then I became _.,P1 L6,However,people,thought,I was _ until they _ I had“artificial intelligence.”,我执行穿孔卡的指令,早些时候我并不是很大，但是后来我变得非常大,可是，人们认为我头脑简单，直到发现我有人工智能时，,他们才不那么想了。,followed,huge,simple-minded,discovered,Star sentences:P1 L2 I _,27,P1 L8,As the years have _,I have been made smaller and smaller.,P2 L1,There were _ when my size was _changed.,P2 L3,But I was always so lonely _ there by myself,until in the early 1960s,they gave me a family _ by a network.,随着岁月的流逝，我被做得越来越小了,.,有段时期我的体积完全变了,但是我总是孤孤单单地站在那里，直到,60,年代初，人们才,给了我一个用网络连接的家庭。,gone by,times,totally,standing,connected,P1 L8 As the years have _,28,Advantages and disadvantages of the computers.,Discussion,Advantages and disadvantages o,29,advantages,we can,communicate with friends,listen to the music,see films&watch news,play games,do shopping,save a lot of time,do a lot of useful things,Disadvantages,Some people especially the teenagers abandon(,沉迷于,)themselves to the computer games and chatting on the Internet.As a result,they have little time to study.,Some people use the computer wrongly.,advantagesDisadvantages,30,Homework,Review the text,Recite Para one,Finish Ex.1/2 on Page 20.,HomeworkReview the text,31,