高二英语Book2 Unit3 Computers (reading)课件.ppt

Unit Three Book Two2021/8/11 星期三1TalkingWhat do they have in common?(P17)An abacus;A calculator;A huge computer;A PC;A notebook computerI think thatIn my opinionI believe thatWhats yourreason?Why do you think so?2021/8/11 星期三2Presentation1.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 星期三3New words and expressions:artificial intelligence:man-made intelligence transistors:a way of sending and storing information.a network:a number of computers that are joinedtogether so that they are show the same program.internet:is a worldwide information resource.2021/8/11 星期三4calculating machinePc(desktop/notebook)analytical machineuniversal machineartificial intelligenceInternetSkimming and completing the flow chart below.Skimming and completing the flow chart below.2021/8/11 星期三51.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 technologyThe computer An Analytical Machine was built.Charles BabbageAnswer questions:Answer questions:2021/8/11 星期三6How does the Internet work?satellite connect network inter-network Internet2021/8/11 星期三7 The Internet is a huge,worldwide collection of comuterNetworks.A network is a small group of computers connectedTogether.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 星期三8kinds of network局域网（局域网（LAN，Local Area Network）广域网（广域网（WAN，Wide Area Network)Internet is the biggest _ of work2021/8/11 星期三9P18 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 hadartificial intelligence.2021/8/11 星期三101642182219361960s1960s1970sNowThe 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.22021/8/11 星期三11Thank you very much!2021/8/11 星期三122021/8/11 星期三13