C Programming - Structures, Unions, Enums

1.
A union cannot be nested in a structure
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Nested unions are allowed
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
Bit fields CANNOT be used in union.
True
False
Answer: Option
Explanation:

The following is the example program to explain "using bit fields inside an union".

#include<stdio.h>

union Point
{
  unsigned int x:4;
  unsigned int y:4;
  int res;
};

int main()
{
   union  Point pt;

   pt.x = 2;
   pt.y = 3;
   pt.res = pt.y;

   printf("\n The value of res = %d" , pt.res);

   return 0;
}
// Output: The value of res = 3


4.
one of elements of a structure can be a pointer to the same structure.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
A structure can be nested inside another structure.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.