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Interview Questions on Enum in C : (8)

Question: 1

//Assume that this code is running on 64 bit system

#include <stdio.h>

enum Xenum{
    C, CPP, Java
};

int main()
{
enum Xenum var;
printf("%d",sizeof(var));
return 0;

}

(A) 1
(B) 3
(C) 4
(D) 12

Compiler
Level: Beginner Category of MCQ: enum

Question: 2

Can we have enum containing enum with same contestant?

#include "stdio.h"

enum Yenum{
       C, CPP, Java
};

enum Xenum{
    C, CPP, Java, Yenum
};

int main()
{
  enum Xenum var;
  printf("%d",sizeof(var));
  return 0;
}

(A) Enum can contain enum but duplicate contestants are not allowed
(B) Enum can't contain enum
(C) Enum can contain enum but not accessible
(D) This code will produce compilation error

Compiler
Level: Beginner Category of MCQ: enum

Question: 3

/* Find the output of below C program */

#include "stdio.h"

typedef enum{
    Male, Female
}SEX;

int main()
{
  SEX var = Male;
  printf("%d",var);
  return 0;

}

(A) Male
(B) 0
(C) 1
(D) Compilation Error

Compiler
Level: Beginner Category of MCQ: enum

Question: 4

#include "stdio.h"

typedef enum{
    Male=5, Female
}SEX;

int main()
{
  SEX var = Male;
  SEX var1 = Female;
  printf("%d %d",var, var1);
  return 0;

}

(A) Male Female
(B) 0 1
(C) 5 5
(D) 5 6

Compiler
Level: Practionar Category of MCQ: enum

Question: 5

#include <stdio.h>

typedef enum{
    Male=-1, Female
}SEX;

int main()
{
  SEX var = Male;
  SEX var1 = Female;
  printf("%d %d",var, var1);
  return 0;

}

(A) -1 0
(B) -1 -2
(C) -1 -1
(D) Compilation Error

Compiler
Level: Practionar Category of MCQ: enum

Question: 6

#include <stdio.h>

typedef enum{
    Male, Female
}SEX;

int main()
{
  SEX var = Male;
  SEX var1 = Female;
  printf("%s %s",var, var1); 
  return 0;
}

(A) Male Female
(B) 0 1
(C) Runtime error (Segmentation fault)
(D) Compilation Error: Can't cast

Compiler
Level: Expert Category of MCQ: enum

Question: 7

#include <stdio.h>

typedef enum{
    Male, Female=0
}SEX;

int main()
{
  SEX var = Male;
  SEX var1 = Female;
  printf("%d %d",var, var1);
  return 0;
}

(A) 0 0
(B) -1 0
(C) Some Garbage Value 0
(D) Compilation Error

Compiler
Level: Practionar Category of MCQ: enum

Question: 8

#include >stdio.h>

typedef enum{
    Male, Female=-1
}SEX;

int main()
{
  SEX var = Male;
  SEX var1 = Female;
  printf("%d %d",var, var1);
  return 0;
}

(A) Compilation Error
(B) Garbage Value 0
(C) -1 -1
(D) 0 -1

Compiler
Level: Expert Category of MCQ: enum

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Interview Questions on Enum in C : (8)

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