computer 新目标[必威体育精装版].ppt

Unit 3 Computers Discuss with your partners, and find out what they have in common? If you have a computer,what can you do with it? Fast-reading Read the text quickly and then answer the question. What is the text mainly about? Listening How many kinds of calculating machines were mentioned in the text? 1)Calculating machine 2)Analytical machine 3)Universal machine 4)Machine with artificial intelligence 5)Machine with new transistor Scanning Fill in the blanks with the information from the reading above. 1642: : The Analytical Machine was made by Charles Babbage. 1936: 1960s: : The first family of computers was connected to each other. 1970s: Now : Task1 pair-work Use the following questions to ask each other. 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 the 1960s? 5)What happened to you in the 1970s? 6)What have happened to you now? Task 2 Use the third person to retell the text according to the following table. What do you think are the advantages and disadvantages of computer? Summary 1.The history and development of computers Calculating machine Homework If you were a scientist and were free to design your own dream computer, what would it look like and why? Goodbye!!! Thanks for listening! Analytical machine Universal machine Machine with artificial intelligence Machine with new transistor 2.Computers in our life 3. Advantages and disadvantages * * * * * * * * * * * * * * * * Teacher Students: Class 4 Grade 1 A (PC) Personal computer A notebook computer A calculator An abacus Warming-up Pre-reading (Our daily life, study, work, education) A calculating machine was used in France. 1822 Alan Turing wrote a book to describe how computers could be made to work and built a “universal machine” to solve any mathematical problem. I got my new transistors in the 1960s. 1960s Computers w