ExamAdept

Which statement will you add to the following program to ensure that the program outputs "ExamAdept" on execution?

#include<stdio.h>

int main()
{
    char s[] = "ExamAdept";
    char t[25];
    char *ps, *pt;
    ps = s;
    pt = t;
    while(*ps)
        *pt++ = *ps++;

    /* Add a statement here */
    printf("%s\n", t);
    return 0;
}

A:

*pt='';

B:

pt='\0';

C:

pt='\n';

D:

*pt='\0';

Answer: D

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Which of the statements is correct about the program?

#include<stdio.h>

int main()
{
    int arr[3][3] = {1, 2, 3, 4};
    printf("%d\n", *(*(*(arr))));
    return 0;
}

A:

Output: Garbage value

B:

Output: 1

C:

Output: 3

D:

Error: Invalid indirection

Answer: D

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Which of the following statements correct about k used in the below statement?
char ****k;

A:

k is a pointer to a pointer to a pointer to a char

B:

k is a pointer to a pointer to a pointer to a pointer to a char

C:

k is a pointer to a char pointer

D:

k is a pointer to a pointer to a char

Answer: B

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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 */
}

A:

**k=a;

B:

k=&a;

C:

*k=&a

D:

&k=*a

Answer: C

No answer description is available. Let's discuss.

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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;
}

A:

It prints ASCII value of the binary number present in the first byte of a float variable a.

B:

It prints character equivalent of the binary number present in the first byte of a float variable a.

C:

It will print 3

D:

It will print a garbage value

Answer: A

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Questions for: Pointers