41. User-defined data type can be derived by . . . . . . . .
42. What will be the output of the following C code?
#include <stdio.h>
struct student
{
int no;
char name[20];
};
void main()
{
student s;
s.no = 8;
printf("hello");
}
#include <stdio.h>
struct student
{
int no;
char name[20];
};
void main()
{
student s;
s.no = 8;
printf("hello");
}43. Which of the following are themselves a collection of different data types?
44. What will be the output of the following C code?
#include <stdio.h>
struct point
{
int x;
int y;
};
void foo(struct point*);
int main()
{
struct point p1[] = {1, 2, 3, 4, 5};
foo(p1);
}
void foo(struct point p[])
{
printf("%d %d\n", p->x, (p + 2).y);
}
#include <stdio.h>
struct point
{
int x;
int y;
};
void foo(struct point*);
int main()
{
struct point p1[] = {1, 2, 3, 4, 5};
foo(p1);
}
void foo(struct point p[])
{
printf("%d %d\n", p->x, (p + 2).y);
}45. What will be the output of the following C code?
#include <stdio.h>
typedef struct student
{
char *a;
}stu;
void main()
{
struct student s;
s.a = "hey";
printf("%s", s.a);
}
#include <stdio.h>
typedef struct student
{
char *a;
}stu;
void main()
{
struct student s;
s.a = "hey";
printf("%s", s.a);
}46. What will be the output of the following C code?
#include <stdio.h>
struct p
{
char x : 2;
int y : 2;
};
int main()
{
struct p p;
p.x = 2;
p.y = 1;
p.x = p.x & p.y;
printf("%d\n", p.x);
}
#include <stdio.h>
struct p
{
char x : 2;
int y : 2;
};
int main()
{
struct p p;
p.x = 2;
p.y = 1;
p.x = p.x & p.y;
printf("%d\n", p.x);
}47. What will be the output of the following C code?
#include <stdio.h>
typedef struct p *q;
int main()
{
struct p
{
int x;
char y;
q ptr;
};
struct p p = {1, 2, &p};
printf("%d\n", p.ptr->x);
return 0;
}
#include <stdio.h>
typedef struct p *q;
int main()
{
struct p
{
int x;
char y;
q ptr;
};
struct p p = {1, 2, &p};
printf("%d\n", p.ptr->x);
return 0;
}48. What will be the output of the following C code?
#include <stdio.h>
union u
{
struct
{
unsigned char x : 2;
unsigned int y : 2;
}p;
int x;
};
int main()
{
union u u.p.x = 2;
printf("%d\n", u.p.x);
}
#include <stdio.h>
union u
{
struct
{
unsigned char x : 2;
unsigned int y : 2;
}p;
int x;
};
int main()
{
union u u.p.x = 2;
printf("%d\n", u.p.x);
}49. What will be the output of the following C code?
#include <stdio.h>
struct p
{
unsigned int x : 7;
unsigned int y : 2;
};
int main()
{
struct p p;
p.x = 110;
p.y = 2;
printf("%d\n", p.x);
}
#include <stdio.h>
struct p
{
unsigned int x : 7;
unsigned int y : 2;
};
int main()
{
struct p p;
p.x = 110;
p.y = 2;
printf("%d\n", p.x);
}50. Which of the following technique is faster for travelling in binary trees?
Read More Section(Structure and Union)
Each Section contains maximum 100 MCQs question on Structure and Union. To get more questions visit other sections.