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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.

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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 36 of 53

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Q351.
What will be the output of the program ?
#include<stdio.h>

int main()
{
    void fun(int, int[]);
    int arr[] = {1, 2, 3, 4};
    int i;
    fun(4, arr);
    for(i=0; i<4; i++)
        printf("%d,", arr[i]);
    return 0;
}
void fun(int n, int arr[])
{
    int *p=0;
    int i=0;
    while(i++ < n)
        p = &arr[i];
    *p=0;
}
Discuss
Answer: (b).1, 2, 3, 4
Q352.
What will be the output of the program ?
#include<stdio.h>
void fun(int **p);

int main()
{
    int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 8, 7, 8, 9, 0};
    int *ptr;
    ptr = &a[0][0];
    fun(&ptr);
    return 0;
}
void fun(int **p)
{
    printf("%d\n", **p);
}

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q353.
What will be the output of the program ?
#include<stdio.h>

int main()
{
    static int arr[] = {0, 1, 2, 3, 4};
    int *p[] = {arr, arr+1, arr+2, arr+3, arr+4};
    int **ptr=p;
    ptr++;
    printf("%d, %d, %d\n", ptr-p, *ptr-arr, **ptr);
    *ptr++;
    printf("%d, %d, %d\n", ptr-p, *ptr-arr, **ptr);
    *++ptr;
    printf("%d, %d, %d\n", ptr-p, *ptr-arr, **ptr);
    ++*ptr;
    printf("%d, %d, %d\n", ptr-p, *ptr-arr, **ptr);
    return 0;
}
Discuss
Answer: (c).1, 1, 12, 2, 23, 3, 33, 4, 4
Q354.
What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes?
#include<stdio.h>

int main()
{
    int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0};
    printf("%u, %u\n", a+1, &a+1);
    return 0;
}
Discuss
Answer: (b).65480, 65496
Q355.
What will be the output of the program in Turb C (under DOS)?
#include<stdio.h>

int main()
{
    int arr[5], i=0;
    while(i<5)
        arr[i]=++i;

    for(i=0; i<5; i++)
        printf("%d, ", arr[i]);

    return 0;
}
Discuss
Answer: (b).Garbage value, 1, 2, 3, 4,
Q356.
What will be the output of the program ?
#include<stdio.h>

int main()
{
    int arr[1]={10};
    printf("%d\n", 0[arr]);
    return 0;
}

a.

1

b.

10

c.

0

d.

6

Discuss
Answer: (b).10
Q357.
What will be the output of the program if the array begins at address 65486?
#include<stdio.h>

int main()
{
    int arr[] = {12, 14, 15, 23, 45};
    printf("%u, %u\n", arr, &arr);
    return 0;
}
Discuss
Answer: (b).65486, 65486
Q358.
What will be the output of the program ?
#include<stdio.h>

int main()
{
    float arr[] = {12.4, 2.3, 4.5, 6.7};
    printf("%d\n", sizeof(arr)/sizeof(arr[0]));
    return 0;
}

a.

5

b.

4

c.

6

d.

7

Discuss
Answer: (b).4
Q359.
What will be the output of the program if the array begins 1200 in memory?
#include<stdio.h>

int main()
{
    int arr[]={2, 3, 4, 1, 6};
    printf("%u, %u, %u\n", arr, &arr[0], &arr);
    return 0;
}
Discuss
Answer: (b).1200, 1200, 1200
Q360.
Which of the following is correct way to define the function fun() in the below program?
#include<stdio.h>

int main()
{
    int a[3][4];
    fun(a);
    return 0;
}
Discuss
Answer: (a).void fun(int p[][4]){}

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