1. Computer Fundamentals Jun Yan ( 颜俊 ) complexityan@qq.com Computer Center 1

2. Lecture 1: Computers, model of computation, and a personal guide to college life and study

3. Have you ever used computers?

4. Computers 4

5. 5 Why this course?

6. Compulsory course Computer is Cool!

7. Editing documents, scribing notes

8. Writing papers – editor + latex + pdf

9. Programming

10. Slides, advertisement, website, flash, video 12306, GFW Computer game Shopping

11. Play a video

12. But How can we know so many things of computer?

13. That’s why we have this course. Principles of Computer We shall teach you:

14. Objective: Know how components of a computer work together to make computation possible

15. Contents lecture experiment

16. 16 Lecture Model of computation Data and logic Hardware Operating system Software and program Database Computer networks

17. 17 Experiment Hardware Software Website

18. Grading 18 Final exam (closed-book): 60% Attendance: 10% Participation: 10% Scribing lecture notes: 20% Final project (optional)

19. Scribing notes Give references Send to me one day before the next lecture, with email entitled: “name + id no. + computer-fundamentals- lecture ?”

20. A personal guide to college life and study

21. Do something interests you and do it professional You have to do the best with what God gave you.

22. Read books, and take notes Read a book from thin to thick, and then back to thin. -- - Luogeng Hua

23. Communicate, practice your English  specialize  internationalize

24. Search from internet, and think independently Ask google first before asking me!

25. Model of computation

26. 26 Computer appears to us as black box.

27. Central question of this course: How to design the black box?

28. A motivating example: how to compute 3.14 *7.2 ？ Three main ingredients to realize computation ： Control Paper Rule

29. von Neumann 1940s

30. Every functionality needs a specific computer? General-purpose computer: store program model; program is treated as data General-purpose computer input output program

31. 1930s Turing machine Alan Turing Computer has its limitation In principle, this little machine is as powerful as any computers in real world.

32. 32 Thanks!