Computers Warming up课件_新人教版必修二Unit3
Homework
1.
2.
Review the text
Recite Para one
3.
Finish Ex. 1/2 on Page 20.
Unit 3 Computers
Period 1 Warming up
Heavy! Difficult! Hard! Tired!
1. Easy! 2. Fast! 3. Free!
camera
monitor
screen
host computer speaker keyboard mouse
What do they have in common?
hard disc
chips /motherboard
CD -- DVD-ROM CRT monitor LCD monitor 使用阴极射线管(Cathode Liquid Crystal Display ---DVD RW
Ray Tube)的显示器
keyboard
mouse
modem
scanner
Charles Babbage
3. Who was the next important person to design computers?
Alan Turing
Scanning:
timeline
1642: The computer began as a calculating machine.
早些时候我并不是很大，但是后来我变得非常大
P1 L6 However, people thought I was simple-minded until they _________ I had discovered ___________ “artificial intelligence.”
可是，人们认为我头脑简单， 直到发现我有人工智能时， 他们才不那么想了。
a calculator
an abacus
a desktop
a notebook computer a laptop
digital camera
a robot
Discussion
(What do they have in common?) 1.They can be used for • I think that… calculating. • In my opinion… • I believe that… 2.They can deal with maths problems. • What’s your 3.They are our friends. reason? 4.They are useful and • Why do you helpful. think so?
1960s: the first family of computers was connected to each other 1970s: Computers were used in officers and homes. Now: Computers connect people all over the world
The development of computers:
Calculating machine Analytical machine
计算器
分析机
Universal machine
Internet
万能机,通用机器 Artificial intelligence 人工智能
Computer
Develop Early days -ment Name Function Poor A calculating Simplify _________ machine difficult sums An analytical Think logically ________ machine and produce an answer quickly A _________ Solve difficult universal mathematical machine ____________ Strong problems __________
有段时期我的体积完全变了
standing P2 L3 But I was always so lonely _______ there by myself, until in the early 1960s,they gave me a family connected by ________ a network.
Disadvantages
Some people especially the teenagers abandon (沉迷于) themselves to the computer games and chatting on the Internet. As a result, they have little time to study . Some people use the computer wrongly.
Intensive reading:
Underline the phrases &sentences that you think are important
Star sentences: followed P1 L2 I _______instructions from cards with holes. 我执行穿孔卡的指令 P1 5 Earlier I was not very big, but then I huge became ______ .
1822: the Analytical Machine was built by Charles Babbage.
1936: The computer grew rapidly both in size and
in brainpower. 1940s: Computer had grown as large as a room.
P1 L8 As the years have ________, I have gone by been made smaller and smaller.
随着岁月的流逝， 我被做得越来越小了.
times P2 L1 There were ______ when my size was totally ________changed.
龙芯8核
other useful words and expressions about computer: Network网络
Virus 病毒 Home page 主页 Password 密码
Download 下载
Up load 上传 Program Website 程序 站点
Desk top 桌面
但是我总是孤孤单单地站在那里，直到60年代初， 人们cussion Advantages and disadvantages of the computers.
advantages
we can communicate with friends listen to the music see films & watch news play games do shopping save a lot of time do a lot of useful things
Develop Network times -ment Memory _________ Tubes Large stored in ____________ Transistors Small Small chips Applications __________ Communication Narrow ______ Finance ________ Trade Robots Mobile phones Medical operations ___________ Space rockets Wide
together.
The history of computers
The first generation (1945-1956)
the second generation (1956-1963)
the fourth generation (1971- )
the third generation (1964-1971)
printer
speaker
Memory:(存储器)
USB flash disc
floppy disc/disk
MP4 player
CD/VCD/DVD
MP3 player
Hard disc:
移动硬盘
1 TB 固态硬盘
USB Flash disc
1T 硬盘
cpu:
Core 2 Duo
酷睿2 : 4核
User name 用户名
Click 点击
Software 软件
Hacker 黑客
Hardware 硬件 Home page 主页
Reading:
Who am I?
Skimming: Read and answer these questions:
1. Who am I?
A computer.
2. Who was the first person to invent the earliest computer?
What’s next?
work for us in Mars(火星)
carry things
work in wars (战斗)
仿真机器人
entertainment
娱乐
What do you think will be the next development?
some hardware:
CPU
合集下载
人教版英语必修二unit3 computers warming up PPT课件
Alan Turing
4.What were you called in 1936?
.
A universal machine
1. Read the passage and finish the timeline below.
1642 The computer began as a calculating machine．
abacus
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?
calБайду номын сангаасulator
PC laptop PDA
virtual keyboards keyboard-vest
What’s the main idea of the text? A. What a computer is. B. What a computer is used for. C. How the computer becomes popular. D. The history of the computer
Paragraph 2
Topic
These changes only became
sentence possible as my memory
improved
•tubes
Supporting •transistors
details
•chips
•network
•World Wide Web
Topic sentence
4.What were you called in 1936?
.
A universal machine
1. Read the passage and finish the timeline below.
1642 The computer began as a calculating machine．
abacus
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?
calБайду номын сангаасulator
PC laptop PDA
virtual keyboards keyboard-vest
What’s the main idea of the text? A. What a computer is. B. What a computer is used for. C. How the computer becomes popular. D. The history of the computer
Paragraph 2
Topic
These changes only became
sentence possible as my memory
improved
•tubes
Supporting •transistors
details
•chips
•network
•World Wide Web
Topic sentence
人教版高中英语 必修二 Unit3 《Computers ---Warming up and reading》 课件 (共24张PPT)
• Intelligence: cleverer
• Speed: quicker
• Function: calculating----dealing with …, communicating with…
• People’ opinion:clever & useful
Consolidation: Retelling
Guess!
A handbag?
A toy?
Guess more:
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 because they don’t like me now.
Scanning: Timeline
The computer began as a calculating machine．
1822 IAnlawnhTiucrhinogrwdreorteiasbtohoek ttoedxetscorirbgeahnoiwzed?
computers could be made to work． Computers had grown as large as a room.
school work games emails music and films chat information photos shopping
smaller desktop
convenient laptop
palmtop
2.What about in the future?
virtual keyboards 虚拟键盘
• Speed: quicker
• Function: calculating----dealing with …, communicating with…
• People’ opinion:clever & useful
Consolidation: Retelling
Guess!
A handbag?
A toy?
Guess more:
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 because they don’t like me now.
Scanning: Timeline
The computer began as a calculating machine．
1822 IAnlawnhTiucrhinogrwdreorteiasbtohoek ttoedxetscorirbgeahnoiwzed?
computers could be made to work． Computers had grown as large as a room.
school work games emails music and films chat information photos shopping
smaller desktop
convenient laptop
palmtop
2.What about in the future?
virtual keyboards 虚拟键盘
人教版高中英语 必修二 Unit3 《Computers ---Warming up 》 课件 (2)(共26张PPT)
years?
Who am I ?
Fast reading
1. Choose the best answer
What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around
Warming up——Guessing game
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 because they don’t like me now. Do you know who I am?
Over time I have been changed quite a lot.
These changes only became possible as my memory improved.
Calculating machine Analytical machine Universal machine PC laptop
Unit 3 Computers
Warming up——Guessing game
With the development of science and technology, many new things appear in human being’s life. Let’s guess what they are:
Warming up——Guessing game
Who am I ?
Fast reading
1. Choose the best answer
What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around
Warming up——Guessing game
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 because they don’t like me now. Do you know who I am?
Over time I have been changed quite a lot.
These changes only became possible as my memory improved.
Calculating machine Analytical machine Universal machine PC laptop
Unit 3 Computers
Warming up——Guessing game
With the development of science and technology, many new things appear in human being’s life. Let’s guess what they are:
Warming up——Guessing game
人教版高中英语 必修二 Unit3 《Computers ---Warming up and reading》 课件 (共24张PPT)
since it was brought into people’s homes. F
4. Speinocpelethaero1u9n7d0st,htehewcoormldptuhtreoruwghasthueseIdntbeyrneTt.
5. The larger the computer is, the more memory
it has.
F
Comprehending:
1. Choose the best answers
1) What’s the main idea of the text? A. The computer wants to find “who he
is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.
school work games emails music and films chat information photos shopping
பைடு நூலகம்
smaller desktop
convenient laptop
palmtop
2.What about in the future?
virtual keyboards 虚拟键盘
2. Questions
Q1: How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes.
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
A laptop
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
CPU (centrahl ard disc硬盘
processing Unit)中央处理器
chips 主板
ParWt2hHatisdtoortyhey have in common?共同点
abacus calculator Huge computer
What’s next?
Robot
PDA 人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
laptop
desktop
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
1. Words about computers
2. History of development of computers
3. Comparison among abacus, calculator, PC and PDA
4. Speaking practice
5. Summary on the advantages and disadvantages of using a computer
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
display card 显卡
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
CPU (centrahl ard disc硬盘
processing Unit)中央处理器
chips 主板
ParWt2hHatisdtoortyhey have in common?共同点
abacus calculator Huge computer
What’s next?
Robot
PDA 人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
laptop
desktop
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
1. Words about computers
2. History of development of computers
3. Comparison among abacus, calculator, PC and PDA
4. Speaking practice
5. Summary on the advantages and disadvantages of using a computer
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
人教版高中英语必修二 unit 3 computers warming up(共21张PPT)
display card 显卡
高一英语 Unit 3 Computers(Warming up)课件 新人教版必修2
1) You know, Dorothy, I have one thing in common with you． 2) I have noting in common with him, so how can I get along well with him. 3) In common with many other classmates, I like playing basketball. common knowledge/ sense 常识 common people 普通人，老百姓
7. use the Internet to research information for school tasks 8. buy things on line 9. look at photographs on the computer 10. read news both at home and abroad, read books and magazines
of 1st
machine in France in
paragraph 1642.
Topic sentence
of 2nd
My memory improved.
paragraph
Topic sentence
of 3rd
Since the 1970s many
paragraph new applications have
1. use a computer for school work 2. play games on the computer 3. send emails to friends 4. download music and films 5. surf the web for fun 6. take part in chat groups
Unit 3 Computers warming up课件 新人教版必修2课件
3.They are our friends. 4.They are useful and helpful.
search for information
see movies
listen to music
read books and magazines
download music
and films
who am I?
calculator
/'kælkjʊleɪtə/
I am very big. Scientists use me to solve some mathematical problems.
who am I ?
huge computer
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? laptop
/'læptɒp/
I’m a machine that works automatically. I can do a wide variety of tasks, especially suitable for doing jobs too boring, difficult, or dangerous for human beings. who am I?
Riddles(谜语):
人教版高中英语 必修二 Unit3 Computers Warming up 课件 共29张
Robot
Robot is a mechanical device that sometimes resembles a human and is capable of performing a variety of complex human tasks on command or by being programmed in advance.
Personal Digital Assistant
A very small light computer that you can carry with you, and that you use to store information such as telephone numbers, addresses, and appointments. Some PDAs can send and receive email, and connect to the Internet.
A PC is a personal computer which can solve all kinds of problems and is used widely now.
A PC / desktop
A laptop / notebook computer
A notebook computer is a kind of useful computer which can be taken conveniently like a notebook.
A calculator
A calculator is a new calculating machine which can solve a large number of mathematical problems .
新人教必修二 Unit 3 Computers-Warming up[课件]
1. In what order is this passage arranged? (Within 6 words)
In the order of time.
2. Fill in the blank with the words from the second paragraph. (Within 3 words)
___C_A__E_D_B_F___________________
Task 3 Careful reading
1642 The computer began as a
calculating machine．
1822 The analytical machine was made by Charles Babbage.
Because “I” am a helper and devoted friend of the human race. 4. The right order of the computer’s development A.analytical machine B. computer C.calculating machine D. artificial intelligence E.universal machine F. Internet
Unit 3 Computers
Knowledge makes humble, ignorance makes proud. 博学使人谦逊 ，无知使人骄傲。 Warming up
computer parts
CPU (central hard disk/disc chips/motherboard process unit)
The computer’s shape was greatly changed _a_s_a__r_e_s_u_lt_o_f____ the memory stored in smaller and smaller space.
In the order of time.
2. Fill in the blank with the words from the second paragraph. (Within 3 words)
___C_A__E_D_B_F___________________
Task 3 Careful reading
1642 The computer began as a
calculating machine．
1822 The analytical machine was made by Charles Babbage.
Because “I” am a helper and devoted friend of the human race. 4. The right order of the computer’s development A.analytical machine B. computer C.calculating machine D. artificial intelligence E.universal machine F. Internet
Unit 3 Computers
Knowledge makes humble, ignorance makes proud. 博学使人谦逊 ，无知使人骄傲。 Warming up
computer parts
CPU (central hard disk/disc chips/motherboard process unit)
The computer’s shape was greatly changed _a_s_a__r_e_s_u_lt_o_f____ the memory stored in smaller and smaller space.
人教版高中英语必修二Unit3《Computers---Warmingup》课件
Multiple choice
3. Who made the first analytical machine? A. Bill Gates. B. Charles Babbage C. Alan Turing. D. An operator 4. Since the 1970s, computers have been
Warming up——Guessing game
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…Who am I?
What bad influences may computers have on us?
Bad for eyes Children may be addicted上瘾to playing computer games.
ComInpcreuasteetrheirsiskaoftboeiongl,chneaotetd abytoy.
years?
Who am I ?
Fast reading
1. Choose the best answer
What’s the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around