人教高中英语必修二Unit Warming upPPT学习教案

1、会计学1人教高中英语必修二人教高中英语必修二Unit Warming up掌上电脑掌上电脑Vt.CalculateInformation TechnologyPersonal ComputeradvantagedisadvantageabacuspalmtopIn ones opinion MathematicalCalculator (n.)ITPC第1页/共37页Give the English name for the computer components (组件组件)第2页/共37页keyboardmousemonitorscreenspeaker host computer1234

2、56第3页/共37页What is it in English?Main board(主板主板)第4页/共37页What is it in English?CPU (central processing Unit)中央处理器中央处理器第5页/共37页RAM (随机存储器随机存储器)(Random Access Memory )What is it in English?第6页/共37页Power supply(电源电源)What is it in English?第7页/共37页display card显卡显卡What is it in English?第8页/共37页What is it i

3、n English?hard disc硬盘硬盘第9页/共37页DVD ROM数字通用光盘数字通用光盘 What is it in English?第10页/共37页floppy discUSB Flash Disk 第11页/共37页modemscannerprinter第12页/共37页monitorscreen mouse keyboard hard diskDVD-ROM(1) the part of the computer that looks like a television.(2) the part of the monitor that you look at.(3) som

4、ething you use to click on things (files, etc.)(4) the part of the computer that you type on.(5) the part of a computer that stores information.(6) The part of computer that we can put a CD in.Work out the names Work out the names 第13页/共37页Computer and Internet type my homeworkdraw picturesplay game

5、scommunicate with my friends.gather information for my lessonslisten to musicwatch movies第14页/共37页Besides computer, what else can we get information from?第15页/共37页第16页/共37页1. What does IT mean?2. How to speak 科学技术科学技术 in English?3. What does PC mean?4. How to speak 人工智能人工智能 in English?5. What does P

6、DA mean?6. How to speak 笔记本电脑笔记本电脑 in English?7. What does W.W.W mean?8. What can computers be used to do in our daily life?information technologyinformation technologyartificial intelligenceartificial intelligencePersonal ComputerPersonal Computerpersonal digital assistantpersonal digital assistant

7、World wide webWorld wide webnotebook computer notebook computer /laptop/laptop第17页/共37页Do you think the computer Do you think the computer really helps to your study? really helps to your study? Why?Why? I think that In my opinion I believe that I agree because I disagree becauseGiving an opinion:Ma

8、ke good use of it but never get trapped by it.第18页/共37页 ConclusionThere is no doubt that computer has two sides, too. If we make good use of it, it will make our lives more colorful and convenient. But dont lose yourself in playing computers. Just remember: Keep fit, study well and work hard.第19页/共3

9、7页A toy?A handbag?Riddles(谜语谜语):Warming upPage 17第20页/共37页abacusRiddles(谜语谜语):第21页/共37页calculatorRiddles(谜语谜语):第22页/共37页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 Im small enough

10、for you to take me with you.Notebook / laptopDo you know who I am?Do you know who I am?Riddles(谜语谜语):第23页/共37页第24页/共37页An abacus is an old calculating machine used in China until now.A calculator is a new calculating machine which can solve a large number of mathematical problems.第25页/共37页A huge com

11、puter is built to solve some mathematical problems. But it is too big. A PC is a personal computer which can solve all kinds of problems and is widely used now.第26页/共37页PDAA laptop is a kind of useful computer which can be taken conveniently like a notebook.第27页/共37页仿真机器人robot第28页/共37页1.They can be

12、used for calculating. 2.They can deal with maths problems.3.They are our friends.4.They are useful and helpful.Discussion第29页/共37页abacushuge computerPCcalculatorlaptopPDAWhats next?What do they tell you about the development of computers?robot第30页/共37页Discussion第31页/共37页有人预测现行的计算机体系将在有人预测现行的计算机体系将在2

13、010年遇年遇到无法逾越的障碍到无法逾越的障碍。但从目前的技术发展趋势来看，新技术不但从目前的技术发展趋势来看，新技术不断被应用到计算机行业，断被应用到计算机行业，Moore定律至少到定律至少到2010年仍会有效年仍会有效，届时计算机的基本构造，届时计算机的基本构造应不会有大的改变。应不会有大的改变。第32页/共37页另一方面，在沿着传统框架发展高性能计算另一方面，在沿着传统框架发展高性能计算机的同时，机的同时，一些新型的计算机体系也已被提一些新型的计算机体系也已被提出出，有些已从根本上突破了冯，有些已从根本上突破了冯.诺依曼计算诺依曼计算机体系与电子技术的局限，这方面的工作得机体系与电子技术的局限，这方面的工作得到了多方面的重视。到了多方面的重视。未来高性能计算机目前可分为未来高性能计算机目前可分为量子量子、超导超导、光子光子和和DNA计算机四种类型。计算机四种类型。第33页/共37页in common: for or by all of a group 共同的；共有的；共用的共同的；共有的；共用的the land owned in common by the residents 居民共有的土地居民共有的土地in common 常常同常常同have连用，如：连用，如