英语:chapter 2 computers课件(上海牛津九年级上)

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名称 英语:chapter 2 computers课件(上海牛津九年级上)
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资源类型 教案
版本资源 牛津上海版(试用本)
科目 英语
更新时间 2010-01-19 00:00:00

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课件10张PPT。Chapter 2ComputersQuestion discussion: What do you do with computers?Do you know the names of these?
monitorkeyboardfloppy diskdrivespeakersCD-ROMmouseFill in the blanks: 1. The ____ shows words and pictures.
2. You use the _____ for typing in formation.
3. The ____ _____ records information.
4. The _____ helps you to control the computer.
5. The ______ _____ contains all the computer’s electronics.
6. We can hear the sound from the _______.
7. We put disks into the ______ in the main unit. monitorkeyboardfloppydiskmainunitspeakerdrivesmouseHidden helpersQuestions:
Did you see computers many years ago?
Are they the same size?
Where can you find the tiny hidden computers?What kind of jobs can a computer do?Fill in the blanks:
◆Computers can ______ very fast.
◆ They can also _____, _____ and draw things .
◆ They can _____ you and _____ _____ with you.
◆ They can _____ railways and _____ aeroplanes and spaceships.calculatetypeprintteachplaygamesoperateflyIs a computer cleverer than I am? ⊕Why do we say a computer cleverer than
human beings?

True False or DK?
1. One day computers may be able to do most things
that a human brain can do .

2. But computers can’t be better than doctors, judges

and teachers at doing their jobs.
3. We will have nothing to do if computers do most of our work.
4. Computers have changed our lives a lot.
TDKFTHow do we give computers instructions?Look at this and think

10 PRINT AREA CALCULATOR
20 PRINT
30 PRINT Type: Rectangle
TRIANGLE OR CIRCLE
40 INPUT s
50 REMCD-Roms
Questions:
●How many pages of writing can a CD- Rom hold?

● What does a CD-Rom contain?
● What’s the advantage of a CD-Rom?
Brainstorming:What will happen to us if
computers can do our jobs? What will happen to the world if
computers control the world?
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