Learn C MCQs
Prepare C MCQs (Multiple choice Questions) for exam and job interviews.
Which of the following is used to allocate memory dynamically?
1) malloc()
2) calloc()
3) Both 1 and 2
4) free()
Answer : Option 3
What is the output of printf("%d", 3 && 5);?
1) 0
2) 1
3) 3
4) 5
Answer : Option 2
Which of the following is the correct way to define a function that returns a pointer?
1) int* func();
2) int func*();
3) pointer func();
4) None of the above
Answer : Option 1
What is the output of printf("%d", 10 / 2 - 3);?
1) 2
2) 5
3) 1
4) 4
Answer : Option 1
Which of the following is used to find the length of a string?
1) strlen()
2) size()
3) count()
4) None of the above
Answer : Option 1
What is the output of printf("%d", 6 && 8);?
1) 0
2) 1
3) 6
4) 8
Answer : Option 2
Which of the following can be used to return multiple values from a function?
1) Using structures
2) Using pointers
3) Both 1 and 2
4) None of the above
Answer : Option 3