Pointers - C Questions
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Memory Allocation - 1 Memory Allocation - 2The ones who are crazy enough to think they can change the world are the ones who do.- Steve Jobs
C Interview Structures Questions
In most of the MNC interview questions such as in ZOHO interview question, IVTL Infoview interview questions, Amazon interview questions, GOOGLE interview questions, Infosys interview questions and even in Voonik interview questions, We come across several Tricky C Questions about which 2:5 of the questions are from Structure in c. Solving that kind of tricky C questions is not an easy task for all C programmers. We need more practices to solve it with ease. So we provide 25+ interesting C questions in structure to make your MNC interview very easy.
C Structures Questions and Answers
21.What will be the output of the C program?
#include<stdio.h>
int main()
{
struct num
{
int i, j, k, l;
};
struct num n = {1, 2, 3};
printf("%d %d %d %d", n.i, n.j, n.k, n.l);
}
x
Option: B
Explanation
Struture members always intialised to 0 by default.
22.What will be the output of the C program?
#include<stdio.h>
int main()
{
struct num
{
int i, j, k, l;
};
struct num n = {1, 2, 3};
printf("%d %d %d %d", i, j, k, l);
}
x
Option: D
Explanation
Don't forgot to mention structure variable to access structure members.
23.What will be the output of the C program?
#include<stdio.h>
int main()
{
int i = 2;
enum numbers{num1 = i, num2 , num3}n;
printf("%d %d %d\n", num1, num2, num3);
}
x
Option: A
Explanation
Error: enumerator value for 'num1' is not an integer constant. So we can assign only literals or constants to the enum.
24.What will be the output of the C program?
#include<stdio.h>
int main()
{
struct st
{
int i;
static int si;
};
struct st s = {1, 2};
printf("%d %d", s.i, s.si);
return 0;
}
x
Option: D
Explanation
Error: cannot have a static data member in a local class.
In C, struct type does not allow to have static members.
25.What will be the output of the C program?
#include<stdio.h>
int main()
{
union check
{
int i;
int a[10];
};
printf("%d", sizeof(check));
return 0;
}
x
Option: C
Explanation
This Program is the union type program. We know the members of union will share the same memory location within the computer, whereas each structure member has its own memory location within the computer. At any time of compilation, only one member of the union can reside in that memory location. The union require bytes that are equal to the bytes required by largest member within union. The union allocates fixed bytes.
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