Contents

1. History of computers 3

2. Different kinds of computers 5

3. Connecting to the Internet 7

4. Risk of using computers— 9

5. Anti-vims program usefulness 11

6. Multitasking 13

7. Origins of e-mail 14

8. Internet e-mail header 15

9. Spamming and e-mail worms 16

10. Netiquettc 17

11. A computer game 22

12. Online shop 29

13. Internet cafe 31

14. Information Technologies. 34

15. Bill Gates 38

42