Explore topic-wise MCQs in C programming (MCQ) questions.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your C programming (MCQ) questions knowledge and support exam preparation. Choose a topic below to get started.

1.

What does the following declaration mean?int (*ptr)[10];

A. ptr is array of pointers to 10 integers
B. ptr is a pointer to an array of 10 integers
C. ptr is an array of 10 integers
D. ptr is an pointer to array
Answer» C. ptr is an array of 10 integers
Discussion
2.

How will you free the allocated memory?

A. remove(var-name);
B. free(var-name);
C. delete(var-name);
D. dalloc(var-name);
Answer» C. delete(var-name);
Discussion
3.

In the following code, the P2 is Integer Pointer or Integer? typedef int *ptr;ptr p1, p2;

A. Integer
B. Integer pointer
C. Error in declaration
D. None of the above
Answer» C. Error in declaration
Discussion
4.

In the following code what is 'P'? typedef char *charp;const charp P;

A. P is a constant
B. P is a character constant
C. P is character type
D. None of the above
Answer» B. P is a character constant
Discussion
5.

What is x in the following program? #includeint main(){typedef char (*(*arrfptr[3])())[10];arrfptr x;return 0;}

A. x is a pointer
B. x is an array of three pointer
C. x is an array of three function pointers
D. Error in x declaration
Answer» D. Error in x declaration
Discussion
6.

How will you free the memory allocated by the following program? #include#include#define MAXROW 3#define MAXCOL 4int main(){int **p, i, j;p = (int **) malloc(MAXROW * sizeof(int*));return 0;}

A. memfree(int p);
B. dealloc(p);
C. malloc(p, 0);
D. free(p);
Answer» E.
Discussion
7.

What do the following declaration signify? char *arr[10];

A. arr is a array of 10 character pointers.
B. arr is a array of function pointer.
C. arr is a array of characters.
D. arr is a pointer to array of characters.
Answer» B. arr is a array of function pointer.
Discussion
8.

What do the following declaration signify? int (*pf)();

A. pf is a pointer to function.
B. pf is a function pointer.
C. pf is a pointer to a function which return int
D. pf is a function of pointer variable.
Answer» D. pf is a function of pointer variable.
Discussion
9.

What do the following declaration signify? char **argv;

A. argv is a pointer to pointer.
B. argv is a pointer to a char pointer.
C. argv is a function pointer.
D. argv is a member of function pointer.
Answer» C. argv is a function pointer.
Discussion