1、,Heavy! Difficult! Hard! Tired!,Easy! Fast! Free!,computer,robot,For rescure,For war,For doorkeeping,For cleaning,after computers,before computers,1. Who am I? A computer. 2. Write down sentences from the story to support your idea. 1) I was built as an Analytical machine by Charles Babbage.,2) My r

2、eal father, Alan Turing, ,Skim the text and put the following inventions in an order according to the time when they appeared. ( ) analytical machine ( ) calculating machine ( ) PC ( ) laptop ( ) robot ( ) universal machine,2,1,4,5,6,3,Over time I have been changed quite a lot.,These changes only be

3、came possible as my memory improved,Since the 1970s many new applicatio-ns have been found for me.,Scanning,Calculating machine Analytical machine Universal machine PC laptop,Tubes Transistors Chips Network World Wide Web,Communications Finance Trade Robots Mobile phones Medical operations Space roc

4、kets Providing a life of high quality,The computer began as a calculating machine.,The computer grew rapidly both in size and in brainpower.,Computers had grown as large as a room.,1960s,Computers were used in offices and homes.,Computers connect people all over the world together.,calculating,analy

5、tical,universal,mathematical problems,Medical operations,Memory,Transistors,Applications,Communication,Trade,totally,revolution,simplify,calculate,mobile,solve,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

6、gone by, I have been made _ and _ but I became _ and _.,calculating,machine,analytical,machine,universal,machine,smaller,smaller,cleverer,quicker,In the _ they gave me a family connected by a _. Now people call it the _. I have been used in _ and _ since the 1970s. So I became PC. Since my _ I have truly been built to serve the _ _.,1960s,network,Internet,offices,homes,birth,human,race,How computers have changed our lives?,Use the following expression