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FORMAL LETTER

FORMAL LETTER. Fahri bin Fahmi No2 Jalan Masjid 35900 Proton City, Tanjung Malim --------------------------------------------------------------------------------------------------------- Cikgu Rohani binti Kadir SMK Proton City

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FORMAL LETTER

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  1. FORMAL LETTER Fahri bin Fahmi No2 JalanMasjid 35900 Proton City, TanjungMalim --------------------------------------------------------------------------------------------------------- CikguRohanibintiKadir SMK Proton City 35900 Proton City, TanjungMalim 25 January 2010 Dear teacher, ABSENT To refer as above, I can’t attend to the school for 2 days (21 and 22 January 2010) because I am not feeling well. I will be back to school on 25 January 2010. Thank you. Yours sincerely, Fahri bin Fahmi

  2. UNIT 4.3 FUNDAMENTALS OF C LANGUAGE 4.3.1 STRUCTURE OF C PROGRAMS

  3. LEARNING OBJECTIVES : • At the end of this lesson, students should be able to : • Explain the structure of C programs  Write the simple program using C language

  4. INTRODUCTION C Language :  programming language developed at AT&T Bell laboratories by Dennis Ritchi.  named C because it followed an earlier PL named B.  structured language as it enforces a logical structure in the program  Reliable, simple and easy to use • PL have words, symbols and rules (known as the syntax)

  5. 4.3.1 STRUCTURE OF C PROGRAMS <comment entry> <preprocessor directives> main() { <declarations>; <C statements>; }

  6. Comments • Can be placed anywhere /* This is a comment */ • Nested comments will be flagged as errors by the compiler. /*/* This is a wrong comment */*/

  7. Preprocessor Directive • Syntax : #include <filename> • Example : #include <stdio.h> • stdio.h : will include all standard input-output functions • #include < conio.h>

  8. main() • The most important function, which must be present in all the programs. • Programs will always start executing from this function. • A program can have only one main() function.

  9. { • Stated the starting for main function • Every function must have at least one pair block opener ( { ) and closer ( } )

  10. Variable Declaration • All the variables that are used in a program must be declared. • Example : int x, char a, float mark data type variable

  11. C Statements Printf (“I’m a good girl”) • Displays the specified string on the screen. Scanf (“%d”, age)  To get the value from the user clrscr() • Will clear the screen content.

  12. C PROGRAM Example 1 /* First day to school*/ #include<stdio.h> main() { int a; printf (“Enjoy the first day”); }

  13. Example 2 /* Learn C program*/ #include<stdio.h> main() { printf (“It’s so easy programming language”); }

  14. Example 3 /*Easy number*/ #include <stdio.h> main() { int x; /*variable declared*/ printf (“\n Enter a number =”); Scanf (“%d”, x); /*user enter a number*/ }

  15. CONCLUSION

  16. What is the C structure components? • How to build up the C program?

  17. MutiaraKata “Bukansemuaorangbodohitubodoh, sebenarnyadiabodohkeranamembenarkandirinyauntukmenjadibodoh” “Kita tidakperlumenyesalkalauorang lain tidakmengetahuipengetahuankita, kitaharusbersusahhatikalaukitatidakmengetahuipengetahuanorang lain” -Dr. HM TuahIskandar Al-haj

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