computersPPT教学课件

(a) the part of a computer that stores information.
(b) the part of the computer that you type on.
(c) the part of the computer that looks like a television
(d) something you use to click on things (files, etc.).
(e) the part of the monitor that you look at.
(f) The main device that a computer uses to store information.
You have been asked by your parents to help choose computers for your home. You and your friend have looked at several computers. Talk about the special things each computer can do. Make a decision about which kind of computer to buy and explain why.
(computer)
HI-TECH
mobile phone
air-conditioner
TV set
refrigerator
HI-TECH
notebook computer
mp3 plபைடு நூலகம்yer
radio Internet
plane
digital camera
car robot
Ⅰ. Show some pictures.
floppy disc
chips
monitor
modem CD-ROM
printer
keyboard scanner
Match the words with their meanings.
1 A monitor is 2 The screen is 3 A keyboard is 4 A mouse is 5 A CD-ROM is 6 A hard disk is
Listen to the tape and fill in the chart:
Type of IT TV
Web
Advantages 幻灯片 14 Disadvantages
You can both listen and You can’t write to
watch.
friends.
You can find information. It’s very expensive.
GPU/显卡
Ⅳ. Read through the words in the box. Use some of
them to name each part of a computer in the box.
Monitor mouse keyboard hard disc floppy disc CD-ROM printer scanner modem Chips CPU
watch sports on TV than just listen to them on
the radio．
LM: I d__is_a__g_r_e_ebecause you get such a lot of
information on the technical aspects of a game on the radio．You don't get that on TV. But
LM: Well, I suppose all kinds of IT have both
_d_is_a_d_v_a_n_t_a_g_e_s__a_n_d__a_d_v_a_n_t_a_g_e.s
* What are the changes brought by different forms of IT ?
☻ I think this one is better,
because…
Discussion :
Computers are useful and have brought us lots of good things, but they also cause bad effects. What attitude should we have towards the computer? Make good use of it but never get trapped by it.
“银河”巨型计算 机
A huge computer
An abacus
A calculator
A PC
A notebook computer
thinking
1. What do they have in common?
（Using some of the following expressions in your discussion.）
2.I am a machine that you can use to talk to other
people even in far-away place. Each of us has a
number.
(telephone)
3. I am a machine that is a good helper in doing housework, especially washing clothes.
DAVE: I'm reading about _in__f_o_r_m__a_t_i_o_n__t_e_c_h_n__o_l．ogy
LM: You mean things like computers? _I_n__m__y__o_p__in__ion
they’re so boring to read about. They're
D: Yeah, I believe that too. They are cheap and easy to take with you but sometimes the i_n_f_o_rm__a_t_io_n__is__o_u_t _o_f _d_a_te_.
LM: I agree. The world is changing so fast. But in my opinion s_p_o_r_ts__o_n_t_h_e_r_a_d_io__li_s_te_n_i_n_g_t_o__ is better than anything else. Sometimes I also
basis of the results of your discussion, using the following useful expressions.
(washing machine)
4. I am a machine that moves very fast on
four wheels. But you must get a license if
you drive me.
(car)
5. I am a machine that you can use in all kinds of machines above.
listen to English programmes on the radio. But they speak so fast and sometimes it’s difficult to understand everything． D: Yes. I also listen to English on the radio but it_’_s_e_a_si_e_r_t_o_f_o_ll_o_w__o_n_T__V__ because you can also see what is going on. Sometimes it is more interesting to
What makes up the computer? And can you name each part ?
mouse
NIC/内存
screen
CPU/处理器 (Central processing unit)
Main board/主板
Sound box Key-board
headphone
Hard disk
I_s_t_i_ll__th__in__k__t_h_a_t__th_ e computer is the best kind of IT.
You can watch a film on
it,w__r_i_te__t_o__f_riends ,_g_e_t__i_n_f_o_r_m__a_t_i_o_n, and find out
Warming And Listening
digital camera
guessing
1. I am a machine that you can watch a lot of different programs at home. And I have a screen with moving pictures and sounds. (TV set)
☻ a faster PC ☻ improved disc storage ☻ Internet ☻ the monitor is small ☻ used recycled materials ☻ a flat screen
Pair Work : Make a dialogue on the
* What are the advantages and disadvantages of them ?