Pointer — Part 2 MCQs with Explanations

Set the value pointed to by ptr to 42 is the correct answer to “What is the result of the expression *ptr = 42 in C, where ptr is a pointer to an int”. This question is standard in competitive examination syllabi for Pointer.

int (*ptr)() is the correct answer to “In C, what is a pointer to a function that takes no arguments and returns an integer”. This question is standard in competitive examination syllabi for Pointer.

A pointer that points to a constant pointer is the correct answer to “In C, what is a pointer to a constant pointer (int* const)”. This question is standard in competitive examination syllabi for Pointer.

Both of the above is the correct answer to “The address operator & , cannot act on”. This question is standard in competitive examination syllabi for Pointer.

is syntactically and semantically correct is the correct answer to “The statement int ** a;”. This question is standard in competitive examination syllabi for Pointer.

0.000000 is the correct answer to “What will be the output of the following program code? #include<stdio.h> void main() { int i = 10; void *p = &i; printf("%f", *(float *)p); }”. This question is standard in competitive examination syllabi for Pointer.

The pointers point to elements of the same array. is the correct answer to “The operator > and < are meaningful when used with pointers, if”. This question is standard in competitive examination syllabi for Pointer.

p is a pointer to a 5 elements integer array. is the correct answer to “The declaration int (* p ) [ 5 ] ; means”. This question is standard in competitive examination syllabi for Pointer.

333 is the correct answer to “What will be the output of the following program code? #include <stdio.h> void main() { int i=3, *j, **k; j = &i; k = &j; printf("%d%d%d", *j, **k, *(*k)); }”. This question is standard in competitive examination syllabi for Pointer.

float *ptr is the correct answer to “Which of the following is the correct way of declaring a float pointer:”. This question is standard in competitive examination syllabi for Pointer.

hi is the correct answer to “Find the output of the following program. void main() { char *msg = "hi"; printf(msg); }”. This question is standard in competitive examination syllabi for Pointer.

unsigned int is the correct answer to “What is the base data type of a pointer variable by which the memory would be allocated to it”. This question is standard in competitive examination syllabi for Pointer.

2 3 is the correct answer to “What would be the output for the following Turbo C code? #include<stdio.h> void main() { int a[]={ 1, 2, 3, 4, 5 }, *p; p=a; ++*p; printf("%d ", *p); p += 2; printf("%d", *p); }”. This question is standard in competitive examination syllabi for Pointer.

y=MVEDA is the correct answer to “char* myfunc(char *ptr) { ptr+=3; return(ptr); } void main() { char *x, *y; x = "EXAMVEDA"; y = myfunc(x); printf("y=%s", y); } What will be printed when the sample code above is executed”. This question is standard in competitive examination syllabi for Pointer.

fg is the correct answer to “char *ptr; char myString[] = "abcdefg"; ptr = myString; ptr += 5; what string does ptr point to in the sample code above”. This question is standard in competitive examination syllabi for Pointer.

11 11 Undefined-value is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int i = 10; int *p = &i; foo(&p); printf("%d ", *p); printf("%d ", *p); } void foo(int **const p) { int j = 11; *p = &j; printf("%d ", **p); }”. This question is standard in competitive examination syllabi for Pointer.

l e is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { char *s= "hello"; char *p = s; printf("%c\t%c", *(p + 3), s[1]); }”. This question is standard in competitive examination syllabi for Pointer.

Same address is printed is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { int a[3] = {1, 2, 3}; int *p = a; int **r = &p; printf("%p %p", *r, a); }”. This question is standard in competitive examination syllabi for Pointer.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { char *s = "hello"; char *p = s * 3; printf("%c\t%c", *p, s[1]); }”. This question is standard in competitive examination syllabi for Pointer.

Changing address to point at another location is the correct answer to “Which of the following operation is possible using a pointer char? (Assuming the declaration is char *a;)”. This question is standard in competitive examination syllabi for Pointer.

A pointer "a" to an array is the correct answer to “Comment on the following C statement. int (*a)[7];”. This question is standard in competitive examination syllabi for Pointer.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int *p = (int *)2; int *q = (int *)3; printf("%d", p + q); }”. This question is standard in competitive examination syllabi for Pointer.

P are dynamic, Q are static is the correct answer to “Which of the following statements are true? P. Pointer to Array Q. Multi-dimensional array”. This question is standard in competitive examination syllabi for Pointer.

h e is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { char *s= "hello"; char *p = s; printf("%c\t%c", p[0], s[1]); }”. This question is standard in competitive examination syllabi for Pointer.

Executablefilename is the correct answer to “What will be the output of the following C code (run without any command line arguments)? #include <stdio.h> int main(int argc, char *argv[]) { while (argc--) printf("%s\n", argv[argc]); return 0; }”. This question is standard in competitive examination syllabi for Pointer.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int a[4] = {1, 2, 3, 4}; int *p = &a[1]; int *ptr = &a[2]; ptr = ptr * 1; printf("%d\n", *ptr); }”. This question is standard in competitive examination syllabi for Pointer.

h is the correct answer to “What will be the output of the following C code? #include <stdio.h> void f(char *k) { k++; k[2] = 'm'; } void main() { char s[] = "hello"; f(s); printf("%c\n", *s); }”. This question is standard in competitive examination syllabi for Pointer.

Jagged Array is the correct answer to “Which of the following is not possible statically in C”. This question is standard in competitive examination syllabi for Pointer.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int i = 10; void *p = &i; printf("%d\n", (int)*p); return 0; }”. This question is standard in competitive examination syllabi for Pointer.

segmentation fault is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { char *a[10] = {"hi", "hello", "how"}; int i = 0; for (i = 0;i < 10; i++) printf("%s", *(a[i])); }”. This question is standard in competitive examination syllabi for Pointer.

5 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { const int ary[4] = {1, 2, 3, 4}; int *p; p = ary + 3; *p = 5; printf("%d\n", ary[3]); }”. This question is standard in competitive examination syllabi for Pointer.

10 1 is the correct answer to “What will be the output of the following C code? #include <stdio.h> void foo( int[] ); int main() { int ary[4] = {1, 2, 3, 4}; foo(ary); printf("%d ", ary[0]); } void foo(int p[4]) { int i = 10; p = &i; printf("%d ", p[0]); }”. This question is standard in competitive examination syllabi for Pointer.

Function pointer is the correct answer to “How to call a function without using the function name to send parameters”. This question is standard in competitive examination syllabi for Pointer.

Same address is printed is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { int a[3] = {1, 2, 3}; int *p = a; printf("%p\t%p", p, a); }”. This question is standard in competitive examination syllabi for Pointer.

You cannot have an array of void data type is the correct answer to “Comment on an array of the void data type.”. This question is standard in competitive examination syllabi for Pointer.

<type> * const <name> is the correct answer to “What is the syntax for constant pointer to address (i.e., fixed pointer address)”. This question is standard in competitive examination syllabi for Pointer.

Executable file name is the correct answer to “What will be the output of the following C code (run without any command line arguments)? #include <stdio.h> int main(int argc, char *argv[]) { while (*argv != NULL) printf("%s\n", *(argv++)); return 0; }”. This question is standard in competitive examination syllabi for Pointer.

6 5 3 0 0 is the correct answer to “What will be the output of the following C code? #include <stdio.h> void m(int *p) { int i = 0; for(i = 0;i < 5; i++) printf("%d\t", p[i]); } void main() { int a[5] = {6, 5, 3}; m(&a); }”. This question is standard in competitive examination syllabi for Pointer.

The number of command-line arguments the program was invoked with is the correct answer to “What is the first argument in command line arguments”. This question is standard in competitive examination syllabi for Pointer.

Some garbage value is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int i = 0, j = 1; int *a[] = {&i, &j}; printf("%d", (*a)[1]); return 0; }”. This question is standard in competitive examination syllabi for Pointer.