warming-up and reading
The technology develops so quickly that many new things appear in human being’s life.
Let’s guess what they are:
guessing game
I am very old now. I was born in China. Many people used me for calculating(计算) in the past, but now I am a bit lonely because they don’t like me now.
Do you know who I am?
abacus ['æbəkəs]
Guess :
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical(数学的) problems.
Do you know who I am?
Calculator ['kælkjuleitə]
Solve a riddle : one thing
It has a big face with many keys
It has two big ears which can play music
You can watch TV or see a movie using it
It can be seen in the office, classroom and at home.
It can download information
guess
Do you know who I am ?
A huge computer
“银河”巨型计算机
We can see many brands of computers
Lenovo 联想
Haier 海尔
神州
Tinghuatongfang清华同方
惠普HP(Hewlett Packard)
Dell
TCL
Acer宏基
thinking
1. What do they have in common?
（Using some of the following expressions in your discussion.）
I think that… In my opinion…
I believe that… What’ s your reason?
Why do you think so?
1.They can be used for calculating.
2.They can deal with maths problems.
3.They are our friends.
4.They are useful and helpful. ……
What makes up the computer? And can you name each part ?
GPU/显卡
Hard disk
Main board/主板
CPU/处理器
(Central processing unit)
NIC/内存
mouse
Key-board
Sound box
screen
headphone
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
floppy disc
chips
monitor
modem
CD-ROM
scanner
keyboard
printer
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
(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.
Match the words with their meanings.
Reading
?
Who Am I
Unit 3 Computer
Reading
Scan the text and then answer the following questions:

1.Who is the speaker?
2.What the text might be about?
Scanning
1.Who is the speaker ?
It is a computer.
This reading passage is mainly about the and the of the computer.
history
development
Find out three sentences to support who the speaker is in the story.
1.Then in 1822 I was built ….
(Itself was the first design of a computer)
2.My real father was Alan Turing.
(He designed the first real computer.)
3.However, people thought I was simple-minded until….,
(It has artificial intelligence.)
1.Where were you in 1642?
3 What were you called in 1936?
4 What did you get in the 1960s?
What happened to you in the 1970s?
2 What happened to you in 1822?
Timeline
1642: __________________________
_______________________________
____: The Analytical Machine was
Made by Charles Babbage.
1936:___________________________
_______________________________
_______________________________
1960s:__________________________
_______________________________
_______________________________
The computer began as a calculating machine in France.
1822
Alan Turing wrote a book to
describe how computers could
be made to work.
Computers have new
transistors and became
smaller.
_____: The first family of computers
was connected to each other.
1970s: _________________________
_______________________________
Now:___________________________
_______________________________
1960s
Computers were brought into
people’s homes.
Computers connect people all
over the world together.
True or false
1. Charles Babbage was the computers’ real father.

2. The speaker was built as an Analytical Machine in 1822.

3. The speaker was called a calculating machine in 1936.

4. The speaker was given a family connected by a network in the late 1960s.

F
[ Alan Turing. ]
T
[ a universal machine ]
[ in the early 1960s ]
F
F
Q1: How did the computer work as
an Analytical Machine?
The computer followed instructions
from cards with holes.
Q2: In which way did computers talk to
humans?
Using BASIC.
Q3: What does “others” (2.6) refer to?
Other computers.
3. Questions
Q4: Why did people think the computer was simple-minded?

Because the computer was made as a calculating machine and was used to solve mathematical problems.
Q5: In how many ways do we say the computer changed? What are they?
Size:

Intelligence:

Speed:

Function:

People’ opinion:
smaller
quicker
cleverer
calculating----dealing with …, communicating with…
simple-minded----clever & useful
Changes in size
1._______________ (earlier)
2._______________ ( in the past)
3.____________________ (modern)
not very big
huge
smaller and thinner
Changes of the machine
Calculating machine
Analytical machine
Universal machine
artificial intelligence
PC (desktop/ notebook)
Internet
?
Time
Development in functions
calculate
calculating machine ---
Analytical Machine ---
follow instructions
universal machine---
solve mathematical problems; artificial intelligence
Computer connected by a network
share information with others; talk to each other; deal with information; communicate with each other
Discussion: what other functions will computers have in the future? Or what will computers be like?
Use the following expressions:
I think that……
In my opinion……
I believe that……
It would be nice if……
richer and richer;
stronger and stronger;
easier and easier
Then what should we do if we want to develop more functions of the computer?
Study hard.
Learn as much knowledge as we can.
Prepare to become great scientists!
Summary
The history of computers
Name : computer
Born : (time)_______ (place)_____
My father: _____________________
My size: 1._______________(earlier)
2._______________( in the past)
3.____________________(modern)
My history: 1. 1642 ___________machine
2. 1822__________machine
3. 1936 __________machine
4. 1960s computers with _________
5. 1970s ______ and ________ computers.
My usage: 1. ____________
2.____________
3.____________
Who am I
1642
France
Alan Turing
not very big
huge
smaller and thinner
Analytical
calculating
universal
transistors
PC
notebook
share information.
communicate with others.
serve the human race.
Now people can use computers to deal with information and communicate with each other around the world by __________ . But the development of computers has a long history. In 1642, the first computer only worked as a ________________ . In 1822, an Analytical Machine was invented. In 1936 ,a machine was built. In ________ ,after getting new computers became ________________ in size, got cleverer and cleverer in intelligence, and became________________ in speed. Then they could be connected with other computers by a network, and ________ could talk to them using BASIC. In the 1970s ,people began to bring them into their homes.
the Internet
calculating machine
the 1960s
smaller and smaller
quicker and quicker
humans
universal
transistors,
People say computers have more advantages than disadvantages. Do you think so?
advantages
disadvantages
A
B
Such as :
Send an e-mail
It is bad for your eyes
How do you use the computers in daily life？
(1). play computer games
(2). QQ（chat on line）
(3). send emails to friends
(4). download music and films
(5). search for information
(6). do business or work
(7). use computer for school work
(8). look at photographs……
Think: Which is the most important?
Don’t spend too much time playing games!
Download(下载) information
See a movie or watch TV
Play computer games
Buy goods you want
Do some chatting
advantages
- - - - - - -
improve people's ability of thinking
Too expensive
Addicted to playing computer games
- - - - - - -
disadvantages
People can not write right Chinese letters
Virtual things (虚拟的)
1.Should students
surf the Internet?
2.Should students
go to the net bar?
net bar
at home
Homework
Retelling
I began as a _______ ________ in 1642 in France. In 1822 I was built as an
_____ ______. Then in 1936 Alan Turing wrote a book and built a _______ ______. As the years have___ ___, I have been made___ ___ _______ but I got ____ ____ ___,____ __ ____. In the 1960s they gave me a family____ __ __ _____. Now people call it the Internet. I was _____ ____ ____ ___ in the 1970s.So I became PC. Since my birth I have truly been built to serve the human race.
calculating machine
Analytical Machine
universal machine
gone by
smaller and smaller
cleverer
quicker and quicker
connected by a network
brought into people’s homes
cleverer and