高中英语 Book Unit readingwho am I 新人教必修.pptx
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1、4第1页/共36页3第2页/共36页2第3页/共36页1第4页/共36页What are they?What are they?Welcome to my Welcome to my class!class!First,lets play a First,lets play a game!game!第5页/共36页Huge computerHuge computer第6页/共36页PC(personal computer)laptop(notebook computer)第7页/共36页PDA(personal digital assistant)robot第8页/共36页Are they s
2、ame?Theyre computers in different stages.Whats next?第9页/共36页i-robot(intelligent robot)第10页/共36页WHO AM I?Unit 3 ComputersReadingUnit 3 ComputersReadingUnit 3 Computers reading第11页/共36页2023/3/23Who am I?Frank Li12Skimming:Read and answer these questions:2.Who was the first person to invent the earlies
3、t computer?3.Who was the next important person to design computers?Charles BabbageAlan Turing1.Who am I?A computer.第12页/共36页Lets have a more detailed reading!Read Para.1 in 2 mins and find out the development histoty of computers.Ill give you some clues.第13页/共36页1936(1822)164216421940s1940sLatterAnd
4、 lattera calculating machine,in 1642an analytical machine,(in 1822),Charles Babbagea universal machine,in 1936,Alan Turinga huge computer,as large as a room,in 1940sa personal computer and a laptop,and used in offices and homes since the 1970s第14页/共36页a calculating machine,in 1642帕斯卡计算器是由布莱斯帕斯卡(Blai
5、se Pascal)发明的,帕斯卡计算器可以把一长串数字相加,在他的计算器中有一些互相联锁的齿轮,一个转过十位的齿轮会使另一个齿轮转过一位,人们可以像拨电话号码盘那样,把数字拨进去,计算结果就会出现在另一个窗口中。第15页/共36页an analytical machine,(in 1822)分析机是由英国数学家查尔斯巴贝奇设计的一种机械式通用计算机。它的设计逻辑却非常的先进,是大约100年后电子通用计算机的先驱。第16页/共36页a“universal machine”,in 1936(not a real machine,but just a mathematical model)第17页
6、/共36页 a huge computer,as large as a room,in the 1940s尺寸(英尺)3050电容(个)10000重量(吨)30开关(个)6000真空管(个)18800耗电(W)150000电阻(个)70000成本(1940年)$40万ENIAC第18页/共36页Para.2Para.2第19页/共36页technical words Memory:storage or storage capacity as of a computer,disk,etc.chiptransistortube第20页/共36页networkThe World Wide Web第2
7、1页/共36页Para.2Para.2Read it by yourselves in 2 min and answer:Where is memory stored?第22页/共36页Para.3 Find some supporting details for the topic sentence.(1 minute.)Since the 1970s many new applications have been found for me.第23页/共36页 Since the 1970s many new applications have been found for municati
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