1. INC 161 , CPE 100 Computer Programming
Lecturer
Associate Prof. Dr. Poj Tangamchit

2. About the Instructor Office: CB40603 (CB4 6th floor)
Control System and Instrumentation Eng. (INC)
Tel: x-9094
Research Interest: Robotics, Artificial Intelligence (AI)

3. Course Details 3 Credits 2 credits Lecture + 1 credits Practice
Class time 4 hours / week
2 hours lecture + 2 hours lab
Review + Homework hours/week
Teaching Style = Self Lecture + Practice

4. Scoring & Grading Midterm Exam 40% Final Exam 40% Homework 15%
In-class attendance 5 %
Grading follows the faculty of Engineering’s
standard procedure.

5. Homework & Assignment Homework takes time.
Allocate 6-12 hours each week for it.
Students need self-practice outside class time.

6. Copy of Homework (Plagiarism)
Students should do their homework separately.
If two or more students have similar homework,
they will get homework score = -100%, no matter
who is the original.
Program codes will be checked by INC-MOSS
(Measure Of Software Similarity developed by INC)
This is our standard used for judge copying.

7. Textbooks Schaum's Outline of Programming with C, 2nd Edition By
Byron S. Gottfried
ISBN

8. Class Webpage http://www.inc.eng.kmutt.ac.th/inc161 Announcement
Lecture Slides
Facebook discussion group

9. What is a computer?
Computer = Data Processing Machine

10. Why computers are important?
Document Processing
High-Tech Machine Control
Mobile Embedded Devices

11. Computer Specification

12. HDD, Ram, Cache are data storage
CPU is data processing unit
Hard
disk
Ram
Cache
CPU

13. What is inside RAM?

14. Real World representation of data
‘0’ is represented by voltage 0 volts
‘1’ is represented by voltage 5 volts
(TTL level)

15. How much data? 1 bit = 1 unit of data (can be represent as ‘0’ or ‘1’)
1 byte = 8 bit
1 kilobyte = 1024 bytes
1 megabyte = 1024 kilobytes

16. ‘0’ and ‘1’ can represent everything
Number - 33, 55,
Word, Sentence - .txt .doc
Picture - .jpg .bmp
Video - .mpg .avi
Sound - .wav .mp3

17. Functionality of the CPU
Command
Input
Output
CPU

18. The purpose of this course
Know how to give commands to the CPU to make it work as we want.
CPU
Input
Output
Command

19. Machine Language(Code) for 32-bit OS
32 digits
Add
Subtract
Multiply
Division :

20. Hard to remember? Suppose we want to command the CPU
Add Add Subtract Multiply
What is the code?

21. Compiler Compiler translates a language to machine code.
Add
Subtract
Compiler

22. Computer Programming Languages
Three types of programming languages
Machine code or machine languages
A sequence of 0’s and 1’s giving machine specific instructions
Example:
2. Assembly language
Using meaningful symbols to represent machine code.
Example: add hl,de
Assembler: Assembly code  machine code
Disassembler: machine code  assembly code

23. Computer Programming Languages
3. High-level languages
Similar to everyday English and use mathematical notations
(processed by compilers or interpreters)
Example of a C statement:
a = a + 8;

24. Computer Programming Languages
3. High-level languages
Similar to everyday English and use mathematical notations
(processed by compilers or interpreters)
Example of a C statement:
a = a + 8;

25. Comparison of High-Level Language with Machine Code and Assembly Code
The memory addresses, machine code, and assembly code
corresponding to a C statement a = a + 8 for the Rabbit
bit microprocessor.
Memory address Machine code Assembly code
0X1EA ld de,0x0008
0X1EA ld hl,(sp+0)
0X1EA add hl,de
0X1EA ld (sp+0),hl

26. Topics CPU Expression Operation Data type: int float char Flow Control
if for while
Function
Data type: int float char
Array
Pointer
Structure
CPU
Input
Output
Command

27. How can we give commands to a computer?
By running the program
.exe = executable program
.txt = text file
.jpg = pictures
.avi = audio+video file

28. C Programming Language

29. Command Compiler translates a language to machine code.
Add
Subtract
Compiler
Learn this format

30. C Program Structure
main () { }
Put commands in here

31. Variable Declaration We can define a part of memory to store data.
We can give a name to it.
Later, we can refer to it by this name.
However, a name must not be reserved words.

32. int = integer
float = floating point
char = character
Follow with variable name e.g.
int a;
(Every command in C must end with semi-colon)

33. Sample Program
main () {
int i;
float val;
char ww; }

34. Inside Memory ww
val i
Cache, Ram, HDD

35. Reserved Words

36. Comments
Comments of a C program can be enclosed within a pair of delimiters /* and */.
The symbol // will comment out a subsequent text terminated at the end of a line.
/* This is a comment */
/* This is a comment
across multiple lines */
printf(”Hello, world\n”); // This is a comment
(terminated at the end of line)