unit 3 computers warming up

课件23张PPT。Unit 3 ComputersCan you name each part of a computer?the part of the computer that looks like a televisionCRT monitorLCD monitorthe part of the monitor that you look at.
screenthe part of the computer that you type onkeyboardsomething you use to click on things (files, etc.). a separate disk that
Contains computer data, it contains lots of informationmouseCD / DVD-ROMthe part of a computer that stores information.hard disc
Sth that is small and can be carried easily, used to store informationfloppy disc
printer a machine for printing text or picture onto paper, especially one connected to a computerSth often used
to connect computers
to each other through
phone linesmodemscannerspeakerUSB flash discinternal memoryCPU MP3 player1 monitor 2 screen4 mouseCD-ROM5 keyboard6 hard diskmonitor 4. mouse
screen 5. keyboard
CD-ROM 6. hard diskLabel each part. Look at these pictures. Discuss what they have in common. Predict what will be the next development. Warming UpAn abacusA huge computerA calculatorA PCA notebook
computer(What do they have in common?)I think that…
In my opinion…
I believe that…
What’ s 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.Discussiontype your homeworkdraw picturesplay gamesdownloadgather informationlisten to musicwatch movies…… emailschat with … How useful computers are!1. use computer for school work
2. play games on the computer
3. send emails to friends
4. surf the Web for fun
5. download music and films
6. chat online
7. Search for information
8. look at photographs
9. do shopping online
How do you use computers and the Internet?YouYour partnerTalk freelyDifferent attitudes towards computers.parentsschoolstudentsWrite out all the words you know about computers.InternetdownloadupdatesearchclickmonitorkeyboardsoftwareWhat is PC? Speak the name on the whole.It means: personal computer.2. What is IT?Information Technology.3. What is CD-ROM?Compact disc read-only memory.4. What is PDA?Personal digital assistant.5. What is W.W.W?World wide web.6. 科学技术。Science and technology.7. 人工智能。Artificial intelligence.8.笔记本电脑。Notebook computer. Underline the correct option to form compound words.Example: search a) engine b) motor c) disk searchengineSummaryAbacusHuge computerPCCalculatorNotebook
computerInternetRobot?DesigningWhat is the computer in the future
like? Describe it in the following ways”
What does it look like?
What materials is it made of?
What can it do for you?Homework Review the new words
Preview the reading part
Finish the reading comprehension in