M6 The Internet and Telecommunications

newspaper

magazine

How can we get the latest news? media television radio newspaper magazine Internet computer

Can you give us the English names of computer components ( 组件 )? Tips: 1. It consists of … 2. It is made up of some parts, such as…

keyboard 键盘 mouse 鼠标 monitor 显示器 screen 屏幕 speaker 音响 host 主机 components of a computer

main board CPU (central processing unit)

floppy disc DVD ROM USB flash disk

printer scanner hard disk

PDA abacus calculator huge computer PC laptop What’s next? Can you tell the development of computers? robot

高速超导计算机 激光计算机 分子计算机 量子计算机 DNA 计算机 神经元计算机 生物计算机 未来高性能 计算机 What do you think will be the next development?

What can we do with the Internet? Brainstorming

search for information see movies

listen to music read books and magazines

send s to friends download music and films

buy things on line play games on the computer

draw pictures look at photographs on the computer

use a computer for school work take part in chat groups

1. Which word means both (a) to look at different websites on the Internet? (b) to ride big ocean waves? surf Answer the questions about other possible meanings of the words.

2. Which word can you use to describe both (a) an accident in a car? (b) a computer breakdown? crash

3. Which word is both (a) a verb meaning to save information on your computer? (b) a noun meaning a place where you can buy things? store

4. What is the difference between the verb and noun meanings of the word log? A log is a piece of a cut down tree; To log on means to start work on a computer.

5. What is the difference between computer hardware and computer software? Hardware is the tangible pieces of equipment; software is the programs one uses on the computer.

Can computers and the Internet solve all the problems? Should the senior high students surf the net? Why? (advantages and disadvantages)

Advantages: 1. search for( 查询 )learning materials 2. broaden ( 拓宽 ) one’s horizon (make sb. know the latest news) chat online 3. relax oneself listen to music see movies

Disadvantages: 1. affect one’s study (playing computer games) 2. be harmful to one’s eyes 3. make bad friends 4. lost in the virtual or unreal world

Homework Preview the part of Reading and Vocabulary.