unit3 computers(浙江省衢州市)
文档属性
| 名称 | unit3 computers(浙江省衢州市) |  | |
| 格式 | rar | ||
| 文件大小 | 3.7MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2007-12-24 07:25:00 | ||
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文档简介
课件41张PPT。Unit 3 ComputersWhich one is the greatest invention?The technology develops so quickly that many new things appear in human being’s life.Let’s guess what they are:notebook computer Internetmp3 playerradioHI-TECHmobile phoneTV setrefrigeratorair-conditionerplanecardigital camerarobot10 most famous brands of computers in China:Lenovo E2020Lenovo E2000TCL锐利6000紫光金长城沐泽HP惠普实达MonitorFloppy diskPrinterCD-ROMKeyboardMouseModemSpeakerChipA personal computer (PC)Scannerkeyboardmousemodemscannerprinterspeakerhard discCD / DVD-ROMmonitorchips
/motherboardfloppy discCPUFunctions?Mouse, keyboard, scannerMonitor, printerFloppy disk, hard disk, CD-ROMCPUInput dataoutput dataStore datadeal with …InternetHow useful computers are!Predict : look at these inventions. Can you put them in an order according to the time when they appeared?( ) analytical machine
( ) calculating machine
( ) PC( ) laptop
( ) robot
( ) universal machine123456The development of the calculating machine:An abacusA huge computerA calculatorA PCA notebook
computerSkim the story to find out who
I am .computer?1. Who is the speaker in this story?
A computer.
2. How do you know?
1) Then in 1822 I was built as an
Analytical machine by Charles
Babbage.
2) My real father was Alan Turing, …
3) However, people thought I was simple-minded until they discovered I had “artificial intelligence.”
Scan( 略读) the pictures, the title , the first sentence of each paragraph to summarize the main idea of the text in one sentence.The text tells us the development of the computer technology .Fill up the years and key words of different
stages of computers. 1642nowcalculating machineanalytical machineuniversal machinehuge computer networksbrought homePCinternet182219361940searly
1960s1970suniversal machineanalytical machinePCinternetcalculating machinecalculating machine
Analytical machine
Charles Babbage
Alan Turing
universal machine
Mathematical
transistorTask 2 Fast reading1. Where were you in 1642?
In France.
2. What happened to you in 1822?
I was built as an Analytical Machine by Babbage.
3. What were you called in 1936?
A universal machine.
4. What happened to you in the 1970s?
I was brought into people’s homes/homes. Timeline
1642:
: The Analytical Machine was made by Charles
Babbage.
1936:
1940s:
: The first family of computers was connected to
each other.
1970s:
Now: The computer began as a calculating machine.1822Turing wrote a book to describe how computers could be made. Computers had new transistors and became smaller.1960sComputers were brought into people’s homes/offices. Computers connect people all over the world
together.Careful readingThe first Computer (calculating machine)a notebook computer Disadvantages?
Some young people are easily addicted to (上瘾）the games.
Ｕsing computers too long is bad for eyes and neck.
Hackers (黑客) do computer crimes and steal important information.
Computer viruses (病毒) are spread.
The young tend to be cheated.Discussion Disadvantages?
6. Bad websites pollute children’s mind.
7. The young will pay less attention to handwriting.
8. Women can’t enjoy window-shopping.
9. The sudden breakdown of computer brings great loss. How to avoid(避免)the disadvantages and make good use of computer?
Tips: Do not… Do not tell others your private information, such as ID number, telephone number and address.
Do not visit some unsafe website.
Do not download(下载) some unknown files(文件). 4. Do not spread rubbish e-mails.
5. Do not spend too much time surfing in the internet.
6. Do not use computer just for entertainment (娱乐) .
I was born in_____in France. In____, I was built as an__________________,following instructions from cards with holes. In_____, my real father, Alan Turing, described how computers could be made to work in a book and solved any mathematic problem by_________ a ________machine. People were surprised at my artificial____________ . At first, I was the size of a large room. As times has gone by, I have been made smaller and smaller. In the______, I got new transistors. 16421822Analytical Machine1936buildinguniversalintelligence1960sretellingMy memory became______ and_____, but I got ________and________, quicker and quicker. I could share information with others and talk to each other by a net. It was in the_________ that my family and I have been used by billions of people. I am happy that I have truly been built to serve _______ ________since my birth.
?
1970s humane raceclevererclevererlargerlarger
/motherboardfloppy discCPUFunctions?Mouse, keyboard, scannerMonitor, printerFloppy disk, hard disk, CD-ROMCPUInput dataoutput dataStore datadeal with …InternetHow useful computers are!Predict : look at these inventions. Can you put them in an order according to the time when they appeared?( ) analytical machine
( ) calculating machine
( ) PC( ) laptop
( ) robot
( ) universal machine123456The development of the calculating machine:An abacusA huge computerA calculatorA PCA notebook
computerSkim the story to find out who
I am .computer?1. Who is the speaker in this story?
A computer.
2. How do you know?
1) Then in 1822 I was built as an
Analytical machine by Charles
Babbage.
2) My real father was Alan Turing, …
3) However, people thought I was simple-minded until they discovered I had “artificial intelligence.”
Scan( 略读) the pictures, the title , the first sentence of each paragraph to summarize the main idea of the text in one sentence.The text tells us the development of the computer technology .Fill up the years and key words of different
stages of computers. 1642nowcalculating machineanalytical machineuniversal machinehuge computer networksbrought homePCinternet182219361940searly
1960s1970suniversal machineanalytical machinePCinternetcalculating machinecalculating machine
Analytical machine
Charles Babbage
Alan Turing
universal machine
Mathematical
transistorTask 2 Fast reading1. Where were you in 1642?
In France.
2. What happened to you in 1822?
I was built as an Analytical Machine by Babbage.
3. What were you called in 1936?
A universal machine.
4. What happened to you in the 1970s?
I was brought into people’s homes/homes. Timeline
1642:
: The Analytical Machine was made by Charles
Babbage.
1936:
1940s:
: The first family of computers was connected to
each other.
1970s:
Now: The computer began as a calculating machine.1822Turing wrote a book to describe how computers could be made. Computers had new transistors and became smaller.1960sComputers were brought into people’s homes/offices. Computers connect people all over the world
together.Careful readingThe first Computer (calculating machine)a notebook computer Disadvantages?
Some young people are easily addicted to (上瘾）the games.
Ｕsing computers too long is bad for eyes and neck.
Hackers (黑客) do computer crimes and steal important information.
Computer viruses (病毒) are spread.
The young tend to be cheated.Discussion Disadvantages?
6. Bad websites pollute children’s mind.
7. The young will pay less attention to handwriting.
8. Women can’t enjoy window-shopping.
9. The sudden breakdown of computer brings great loss. How to avoid(避免)the disadvantages and make good use of computer?
Tips: Do not… Do not tell others your private information, such as ID number, telephone number and address.
Do not visit some unsafe website.
Do not download(下载) some unknown files(文件). 4. Do not spread rubbish e-mails.
5. Do not spend too much time surfing in the internet.
6. Do not use computer just for entertainment (娱乐) .
I was born in_____in France. In____, I was built as an__________________,following instructions from cards with holes. In_____, my real father, Alan Turing, described how computers could be made to work in a book and solved any mathematic problem by_________ a ________machine. People were surprised at my artificial____________ . At first, I was the size of a large room. As times has gone by, I have been made smaller and smaller. In the______, I got new transistors. 16421822Analytical Machine1936buildinguniversalintelligence1960sretellingMy memory became______ and_____, but I got ________and________, quicker and quicker. I could share information with others and talk to each other by a net. It was in the_________ that my family and I have been used by billions of people. I am happy that I have truly been built to serve _______ ________since my birth.
?
1970s humane raceclevererclevererlargerlarger