adplus-dvertising

Welcome to the Pointers and Arrays in C MCQs Page

Dive deep into the fascinating world of Pointers and Arrays in C with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Pointers and Arrays in C, a crucial aspect of C Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Pointers and Arrays in C, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C Programming.

frame-decoration

Check out the MCQs below to embark on an enriching journey through Pointers and Arrays in C. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Pointers and Arrays in C. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Pointers and Arrays in C MCQs | Page 31 of 53

Q301.
What will be the output of the program ?
#include<stdio.h>
#include<string.h>

int main()
{
    int i, n;
    char *x="Alice";
    n = strlen(x);
    *x = x[n];
    for(i=0; i<=n; i++)
    {
        printf("%s ", x);
        x++;
    }
    printf("\n", x);
    return 0;
}
Discuss
Answer: (d).lice ice ce e
Q302.
What will be the output of the program ?
#include<stdio.h>

int main()
{
    int i, a[] = {2, 4, 6, 8, 10};
    change(a, 5);
    for(i=0; i<=4; i++)
        printf("%d, ", a[i]);
    return 0;
}
void change(int *b, int n)
{
    int i;
    for(i=0; i<n; i++)
        *(b+1) = *(b+i)+5;
}
Discuss
Answer: (b).2, 15, 6, 8, 10
Q303.
If the size of integer is 4 bytes, What will be the output of the program?
#include<stdio.h>

int main()
{
    int arr[] = {12, 13, 14, 15, 16};
    printf("%d, %d, %d\n", sizeof(arr), sizeof(*arr), sizeof(arr[0]));
    return 0;
}
Discuss
Answer: (b).20, 4, 4
Q304.
Point out the compile time error in the program given below.
#include<stdio.h>

int main()
{
    int *x;
    *x=100;
    return 0;
}
Discuss
Answer: (c).No error
Q305.
Point out the error in the program
#include<stdio.h>

int main()
{
    int a[] = {10, 20, 30, 40, 50};
    int j;
    for(j=0; j<5; j++)
    {
        printf("%d\n", a);
        a++;
    }
    return 0;
}
Discuss
Answer: (c).Error: LValue required
Q306.
Which of the following statements correctly declare a function that receives a pointer to pointer to a pointer to a float and returns a pointer to a pointer to a pointer to a pointer to a float?
Discuss
Answer: (d).float ****fun(float***);
Q307.
Which of the statements is correct about the program?
#include<stdio.h>

int main()
{
    int i=10;
    int *j=&i;
    return 0;
}
Discuss
Answer: (c).j is a pointer to an int and stores address of i
Q308.
Which of the statements is correct about the program?
#include<stdio.h>

int main()
{
    float a=3.14;
    char *j;
    j = (char*)&a;
    printf("%d\n", *j);
    return 0;
}
Discuss
Answer: (a).It prints ASCII value of the binary number present in the first byte of a float variable a.
Q309.
In the following program add a statement in the function fun() such that address of a gets stored in j?
#include<stdio.h>
int main()
{
    int *j;
    void fun(int**);
    fun(&j);
    return 0;
}
void fun(int **k)
{
    int a=10;
    /* Add a statement here */
}
Discuss
Answer: (c).*k=&a
Discuss
Answer: (b).k is a pointer to a pointer to a pointer to a pointer to a char

Suggested Topics

Are you eager to expand your knowledge beyond C Programming? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!