Transcript Computer

With the development of
science and technology, many
new things appear in human
being’s life.
Let’s guess what they are:
1. With me 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.
TV set
2. I am a machine which moves
very fast on four wheels. You need
a license(执照) and must be very
careful when you drive me. Rolls
Royce, Benz and BMW are some
famous kinds of me.
car
3. I am a machine which is a good
helper in doing house work.
I wash clothes for people.
Who am I?
washing machine
4. 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
5.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
• it is a kind of computer which
can be taken conveniently like
a notebook.
A notebook computer
Discussing:
what they have in
common?
what they have in common?
What English words do you
know about computers?
What is it in English??
mouse
鼠标
What is it in English??
CPU (central processing Unit)
中央处理器
What is it in English??
Main board(主板)
What is it in English??
display
Search
Keyboard
I nternet
B ill
Gates
B log
computer
Click
E- mail
E- pal
Components of a computer
Monitor
Speaker
Printer
Floppy
Disk
Scanner
Mouse
What can computers
be used to do?
How do you use computers and the Internet?
Yes
No
1.Help to do homework
2.Play computer games
3.Send e-mails
4.Listen to music
5.See movies
6.Chat (聊天)
7.Search for information
8.Do shopping
9.Learn computer skills
I often use a computer to…, I sometimes use
it to…, and I never use it to…
Computers have great power. They make
our lives more colorful and more
convenient.
BUT
Don’t just use computers for fun.
Don’t spend too much time in playing
computer games or chatting(聊天) online.
We should learn more computer skills
which are very useful in our future work.
1.计算机器
2.分析机
3.穿孔卡
4.技术革命
5.通用机器
6.数学问题
7.人工智能
8.晶体管
9.存储容量
10.网络
11.万维网
calculating machine
Analytical Machine
card with holes
technological revolution
universal machine
mathematical problems
artificial intelligence
transistor
memory
network
World Wide Web
Listen to the text and fill in the blanks:
I began as acalculating
_______ machine in 1642 in France.
In 1822 I was built as anAnalytical
_______ machine. Then in
universal
1936 Alan Turing wrote a book and built a ______
gone___,
by I have been
machine. As the years have___
made smaller
______ . There were times when my size
so
______
totally changed. And my memory became _____
that I couldn’t believe it. In the 1960s they
large _____
connected by a network. I was
gave me a family_________
my knowledge
able to share
_________________with
others through the
World Wide Web. Since the 1970s many new
applications ______________
have been found for me.
Choose one student as Mr./Miss Computer,
and the other students as reporters.
The reporters may ask the following questions:
1. Where were you in 1642?
2. What happened to you in 1822?
3. What were you called in 1936?
4. What did you get in 1960s?
5. What happened to you in 1970s?
Some other questions will be better.
辩论
Should high school students
surf the internet(上网)?
I think we high school students should surf
the internet because…(first, second, third)
I agree with you. I think we can also…
I don’t agree with you. In my opinion, it is
bad for students to… The reason is that…
Timeline
1642:_____________________________________
The computer began as a calculating machine
1822:The Analytical Machine was made by Charles Babbage.
The computer grew rapidly both in size
1936:_______________________________
and in brainpower.
___________________________
1940s:_________________________________
The computer had grown as large as a room.
_____:
1960sThe first family of computers was connected to
each other.
1970s:_________________________________
Computers were used in offices and homes.
Computers connect people all over the
Now:_____________________________________
world together.
Detailed-reading
Paragraph 1
Topic
Over time I
sentence have been
changed
quite a lot.
Supportin •Calculating
g details
machine
•Analytical
machine
•Universal
machine
•PC
•laptop
Paragraph 2
Paragraph 3
These changes
only became
possible as my
memory
improved
Since the 1970s
many new
applications have
been found for me.
•Tubes
•Transistors
•Chips
•Network
•World wide
web
•Communications
•Finance
•Trade
•Robots
•Mobile phones
•Medical operations
•Space rockets
•Providing a life of
high quality
Main idea: This is a short history of the
development of computers.
______________
True or False?
F 1. In 1642 I began as a calculating machine
calculating problem.
and could solve any mathematical
Alan Turing
Babbage, who
F 2. My real father was Charles
wrote a book and build me in 1936.
T 3. After I got my new transistors in the 1960s,
I became smaller but cleverer and quicker.
T 4. I was brought into people’s homes in the
1970s.
F 5. Since my birth I have been built to
take the place of human race.
serve
Discuss in pairs and work out the changes of the
computer abilities.
orders Changes of Abilities(功能,能力)
Only c___________
1
alculating
2
Following instructions from
c________________
ards with holes
3
athematical problem
Solving any m____________
intelligence
Having artificial ____________
4
mall
S______er
and q_______er
uick
5
6
C___________
onnected by a network.
7
Many new A___________
pplications .
Changes of the machine
Calculatin
g machine
Analytic
al
machine
Machine with
new
transistor
A family
connected
by a network
Universal
machine
Machine with
artificial
intelligence
A family used
by the
Internet
Discussion
Is it very important to learn computer
skills 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?
How much do you know
about a computer???
Give the English name of the
following pictures of the
computer components (组件)
More knowledge
Monitor
Speaker
Printer
Floppy
Disk
Scanner
Mouse
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??
Power supply
(电源)
What is it in English??
display card
显卡
DVD ROM
Digital Versatile Disc Read Only Memory
数字通用光盘