Structures and union

Front

Which of the following are themselves a collection of different data types? String, Structure, Integer, None of these

Back

Structure

Front

Which of the following cannot be a structure member? Another structure, Array, Function, None of these

Back

Function

Front

What is the output of this C code?
#include <stdio.h>
struct student
{
int no; char name[20];
};
void main()
{
student s;
s.no = 8;
printf("hello");
}

Back

Compilation error

Front

Which of the following share a similarity in syntax? 1. Union, 2. Structure, 3. Arrays and 4. Pointers

Back

2 & 3

Front

For what minimum value of x in a 32-bit Linux OS would make the size of s equal to 8 bytes? struct temp { int a : 13; int b : 8; int c : x; } s;

Back

12

Front

Which operator connects the structure name to its member name?

Back

.

Front

Size of the following union (assume size of int=2, size of float=4 and size of char=1); union ABC { int a; float b; char c; };

Back

4

Front

What is wrong with the following code?

struct Person{ char name; struct Person *Mother, *Father; }Anita;

Back

struct Person Mother, Father; must be defined as struct Person Mother, Father;

Front

What will be the output of the following code?
struct { int a;
double d;
float cp;
}s;
void main()
{
printf("%d\t%d\t%d\t%d", sizeof(s.a), sizeof(s.d), sizeof(s.cp), sizeof(s));
}

Back

4,8,4,24

Front

What is important difference between structure & union?

Back

Union takes less memory then structure