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1、CHAPTER 2QUESTION 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 th
2、e computer.5. The _ _ contains all the computers 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
3、 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
4、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 cant be better than doctors, judges and teachers at doing their jobs. 3. We will have nothing to do if computers do most of our w
5、ork. 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-ROMSQuestions: How many pages of writing can a CD- Rom hold? What does a CD-Rom contain? Whats 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?
