Transcript Computers Riddles (谜语)

Riddles (谜语) :
A handbag?
A toy?
Riddles (谜语) :
I am very old now. I was born in China.
Many people used me for calculating in
the past, but now I am a bit lonely as
they don’t like using me now.
Who am I ?
abacus
Riddles (谜语) :
I am very small. I can be used for
calculating. In China, a lot of students
use me when solving mathematical
problems.
Who am I ?
calculator
Riddles (谜语) :
I can be used for calculating. Besides,
I can also be used for watching DVD,
sending e-mail and communicating
through the Internet. However, I am
not a PC, because I’m small enough
for you to take me with you.
Who am I ?
notebook computer
A huge computer
notebook
computer
Palmtop
A PC
Components of a computer
1
2
3
6
5
1. monitor 2.screen 3. CD-ROM
5.keyboard 6. hard disc
4
4.mouse
Power supply
(电源)
Main board(主板)
CPU (central processing Unit)
中央处理器
RAM
(随机存储器)
(Random Access
Memory )
hard disc
硬盘
display card
显卡
modem
scanner
USB flash disc
printer
speaker
Words about computer
Chat rooms ,net bar, chat bar
On-line friends
Be on-line, on the internet
Down-load files
Send and receive e-mail
Web fans
Internet sites
E-mail box
Electronic mail
Log in/out
netizen
网吧
网友
上网，在线
下载文件
收发邮件
网迷
网址
电子邮件箱
电子邮件
登陆/注销
网民
Brain storm
type my
homework
draw pictures
play
games
Computer and Internet
watch
movies
……
communicate
gather information listen to
with my friends. for my lessons
music
send e_________
to friends
mails
s________
the Web for fun
urf
d___________
music and films
ownload
c______
online
hat
s__________
for information
earch
do s__________
online
hopping
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.
the Internet
What do
you think
the word “ I ”
in the title is?
a computer
a boy
a calculating machine
What does the passage mainly talk about?
It talks about the_______
history and the
___________
development of computers.
Careful reading
Para 1.
How many generations of computers
are mentioned in Para.1? What are they?
Calculating machine (the year of 1642)
Analytical machine(Charles Babbage in 1822)
Universal machine (Alan Turing)
Match the words with the pictures.
Calculating machine
Analytical machine
Universal machine
What features(特征) do these machines
have in the development?
Thick out the features they have.
√ used for calculating
√ simple – minded
huge memory
be connected.
√ huge
Para 2
At the same time my memory improved.
then
First
________
it was stored in tubes ,____________
later on
on transistors and_________very
small
As a result I totally changed my
chips .____________
shape.
changes
Para 2--3
Timeline
The first family of computers
early 1960s:______________________
was
connected to each other.
______________________
Many new applications have been
1970s:__________________________
found for me.
_____________
Now:____________________________
I am a devoted friend and helper
of
the human race.
______________
A. an Analytical
Machine in 1822
F. Memory developed
much
B. made smaller and G. brought into people’s
homes and offices in
smaller
1970s
C. widely used in
H. a network in the early
people’s life
1960s
D. a calculating
machine in 1642 I. a “universal machine”
in 1936
in Franc.
J. the size of a large
E. getting new
room
transistors in
Getting to know me (my family)
abacus
My ancestors are _________
calculator . Although
and __________
they were young , at that
simplify
time they could _____
difficult sums.
My grandfather
Analytical machine is my grandfather.
He was programmed by an operator
_____ .
He was considered a technological
revolution and the start of my”______
artificial
________
intelligence ”,because he could
logically and produce an answer
“think”________
quicker than any person.
My real father
In 1936, my real father, Alan Turing,
wrote a book about how to make a
solve
“universal machine” to ______any
difficult mathematical problem
Me - computer
Then I was born. Thanks to the invention
totally .
of a new transistor, I am changed ______
I’m clever and quicker than my father.
so
that
And my memory is ______
large ________
I can store much information. What’s
more , with the help of _________People
network
east and west can communicate with each
other. I am a devoted
_______ friend and helper of
race
the human____.
discussion
1. What can computer do for us in our
work and daily life?
2. Are there any problems in using
computers in Our life?
We’d better use computers
properly and make them a
real help for us.
• Which part(s) of the computer
do you think need(s) more
improvement? Why?
These small computers are sometimes called
palmtops and are a great way to store telephone
numbers, email addresses, access the internet,
make calculations, keep a digital calendar and play
games.
Today's PDA is very small in size, fits comfortably
in a pocket and generally has good battery life
which allows you to recharge the device at night or
when at the office. A PDA usually includes a small
screen usually bigger than a digital phone,
however smaller than the smallest laptop, a small
QWERTY keyboard that is made for thumb typing
and a stylus which is a metal or plastic pen to input
data or communicate with the device by a touch
pad screen.