高二英语Book2 Unit3 Computers (reading)课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/8/11 星期三,*,Unit Three Book Two,2021/8/11 星期三,1,Talking,What do,they,have in common?(P17),An abacus;A calculator;A huge computer;A PC;A notebook computer,I think that,In my opinion,I believe that,Whats your,reason?,Why do you,think so?,2021/8/11 星期三,2,Presentation,1.Can we communicate with each other easily?Why?,2.How have computers changed our lives?,3.What do you know about computers?,4.How has the computer tech,-nology been developing,?,WHO AM I?,2021/8/11 星期三,3,New words and expressions:,artificial intelligence,:man-made intelligence,transistors,:a way of sending and storing,information.,a network,:a number of computers that are joined,together so that they are show the same program.,internet:,is a worldwide information resource.,2021/8/11 星期三,4,calculating machine,Pc(desktop/notebook),analytical,machine,universal,machine,artificial,intelligence,Internet,Skimming and completing the flow chart below.,2021/8/11 星期三,5,1.Whats the main idea of the reading?,2.Who told the story?,3.What was an technological revolution in the 1820s?,4.Who was the first person to invent the earliest comput,-ers?,5.What is a network?How about the Internet?,The development of the computer technology,The computer,An Analytical Machine was built.,Charles Babbage,Answer questions:,2021/8/11 星期三,6,How does the Internet work?,satellite connect,network inter-network Internet,2021/8/11 星期三,7,The Internet is a huge,worldwide collection of comuter,Networks.A network is a small group of computers connected,Together.The Internet has many different networks from all,Over the world.These networks are all from the Internet.,If you want to know more about computers,please read,the pages(p84-p85).(中学教材全解*高中英语2),2021/8/11 星期三,8,kinds of network,局域网（LAN，Local Area Network）,广域网（WAN，Wide Area Network),Internet is the biggest _ of all.,network,2021/8/11 星期三,9,P18 EX.1.A computer,.,*,Then in 1822 I was built as an Analytical Machine.,*My real father was Alan Turing.He designed the first real computer.,*However,people thought I was simple-minded until they discovered I had,artificial intelligence.,2021/8/11 星期三,10,1642,1822,1936,1960s,1960s,1970s,Now,The Analytical Machine was built by Charles Babbage.,The computer began as a calculating machine.,Alan Turing wrote a book to describe how computers could be made.,Computers had new transistors and became smaller.,The first family of computers connected to each other.,Computers were brought into peoples homes.,Computers connect people all over the world together,.,P19 Ex.2,2021/8/11 星期三,11,Thank you very much!,2021/8/11 星期三,12,2021/8/11 星期三,13,