Home > C Programming > Quizzes > C Programming Fundamentals Test
C Programming Fundamentals Test
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 6% • Most missed: “How can you access the first element of an array called 'arr'?”
C Programming Fundamentals Test
Time left 00:00
25 Questions

1. What is the output of the following program: #include void main() { int j - k=10 - l=-20 - a=8 - b=4; j = --k - ++l * b / a; printf('Z= %d \n' - j); }
2. Which of the following is not a predefined variable type?
3. What is the difference between fopen and open?
4. Is C Object Oriented?
5. int tab[3] = {0 - 1 - 2}; int i = 0; tab[++i] == ?
6. What is the output of the following code: char str[10] = 'abcd'; char * p1 - *p2; p1 = str; p2 = str; *p2 = 'A'; printf ( '%s %s' - p1 - p2 );
7. What will be the output? main() { float a=1.1; double b=1.1; if(a==b) printf('True'); else printf('False'); }
8. Is this code valid in C89? #define RED '\033[31m' #define END '\033[0m' puts('Hello ' RED 'world' END ' !');
9. What is the value of i after : int i; i = 10; i = i++ + i++;
10. What will be the output of: #include void main() { char a[6] = 'Hello'; printf('%d' - sizeof(a)); }
11. How many '-' will be printed out by running the following code: #include #include #include int main(void) { int i; for(i=0; i<2; i++){ fork(); printf('-\n'); } return 0; }
12. What is meaning of following declaration? int(*p[3])();
13. Currently - what does GCC stand for?
14. Will this loop terminate? int x=10; while( x-- > 0 );
15. What does the following do? int j = 10; while (j --> 0){ printf('%d ' - j); }printf('\n');
16. Which of these is NOT correct syntax?
17. With: sizeof(char *) == 4 sizeof(char) == 1 What will sizeof(plop) for char plop[2][3] be?
18. #ifdef __APPLE__ # include #else # include #endif What does it mean?
19. int a = 1 - b; a = 1 & b = 2; what's the result of a and b?
20. with sizeof(char) == 1 sizeof(char *) == 4 char *a - *b; a = b; b++; What is (b - a)?
21. What does '11 | 4 == 15' evaluate to?
22. #include int main(){ char *string='smarterer'; printf('%d' - printf('%s' - string)); return 0; } What is the output?
23. Does 'gcc -Wall' print all warnings?
24. Which one is a reserved keyword?
25. Which of the following special symbols are allowed in a variable name?

⚡ Recently practiced quizzes in this topic
Live quiz activity
C Programming Practice Test: Structures, Unions and Bit-Fields C Programming Practice Test: Dynamic Memory Allocation C Programming Practice Test: C Preprocessor C Programming Practice Test: Miscellaneous Topics C Programming Practice Test: Data Types, Operators and Expressions C Programming Practice Test: Pointers and Arrays in C C Programming Practice Test: Enumerations and Typedefs in C C Programming Practice Test: C Library C Programming Practice Test: C Input and Output C Programming Practice Test: Introduction to C Language
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.