Period 1 Warming up

The whole class will be divided into four groups ,and each group send a student to stand before the platform , who guess what the object is and the rest of the group mates can only do some movements to let his or her group representative guess what the object is and the group mates who guess the object must use the following expressions:

I think that…… In my opinion…… I believe that……

1. I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I?

washing machine2. A machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number.

Who am I? telephone

3. With this you can watch different programmes just at home. I’m a machine that has a screen with moving pictures and sounds. But watching me too much is bad for your eyes. Who am I? TV set 4. I am a machine which moves very fast on four wheels. You need a license and must be very careful when you drive me. Rolls Royce, Benz and BMW are some famous kinds of me. Who am I? car

It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information…

Computer

Abacus

算盘 An abacus is an old calculating machine used in China until now

A huge computer

A huge computer is built to solve some mathematical problems. But it is too big.

Calculator

计算器

A calculator is a new calculating machine which can solve a large number of mathematical problems.

PC personal computer

A PC is a personal computer which can solve all kinds of problems and is used widely now.

Notebook computer

A notebook computer is a kind of useful computer which can be taken conveniently like a notebook.

DiscussionIs it very important to learn computer s

kills for us? Why or why not?Use the following expression in your discussion.

I think that ……

In my opinion …

I believe that …

What’s your reason?

Why do you think so?

Components of a computerComponents of a computer

Scanner

Printer

Monitor

Floppy Disk

Mouse

Speaker

How much do you know How much do you know

about a computer???about a computer???

Give the English name of the following pictures of the computer components ( 组件 )

What is it in English??

Main board( 主板 )

What is it in English??

CPU (central processing Unit)

中央处理器

What is it in English??

RAM

( 随机存储器 )(Random Access Memory )

What is it in English??

hard disc

硬盘

What is it in English??

Keyboard ( 键盘 )

What is it in English??

Power supply

( 电源 )

What is it in English??

CRT display（ Cathode Ray Tube阴极射线管）

纯平显示器

What is it in English??

mouse

鼠标

What is it in English??

display card

显卡

DVD ROMDigital Versatile Disc Read Only Memory

数字通用光盘

What can we do on a computer and through the Internet?

Computer and Internet

type my homework

draw pictures play games

communicate with my friends.

gather information for my lessons

listen to music

watch movies

……

Computers have great power.

They make our lives more colorful and more convenient.

BUT

Don’t forget that computers are modern tools

which can’t take the place of real people.

Never ignore the people beside you or even far away.