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Structures, Unions, Enums - C Programming Questions and Answers

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C Programming :: Structures, Unions, Enums

Structures, Unions, Enums - General Questions
Structures, Unions, Enums - Point Out Errors
Structures, Unions, Enums - Yes / No Questions
Structures, Unions, Enums - Find Output of Program
Structures, Unions, Enums - True / False Questions
Structures, Unions, Enums - Point Out Correct Statements

  1. Point out the error in the program?

     struct emp
 {    
    int ecode;   
    struct emp *e;
 };

    2. A.

    Error: in structure declaration
    B.

    Linker Error
    C.

    No Error
    D.

    None of above

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  2. Point out the error in the program?

     typedef struct data mystruct;
 struct data
 {  
      int x;  
      mystruct *b;
 };

    3. A.

    Error: in structure declaration
    B.

    Linker Error
    C.

    No Error
    D.

    None of above

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  3. Point out the error in the program?

    #include 

 int main()
 {
     struct a   
     {      
        float category:5;           
        char scheme:4;  
    };  
     printf("size=%d", sizeof(struct a));   
     return 0;
   }

    4. A.

    Error: invalid structure member in printf
    B.

    Error in this float category:5; statement
    C.

    No error
    D.

    None of above

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  4. Point out the error in the program?

     struct emp
 {   
     int ecode;   
     struct emp e;
 };

    5. A.

    Error: in structure declaration
    B.

    Linker Error
    C.

    No Error
    D.

    None of above

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  5. Point out the error in the program?

     #include
 
 int main() 
 {    
   struct emp  
   {       
      char name[20];  
      float sal;   
  };    
  struct emp e[10];   
  int i;  
  for(i=0; i9; i++)             
     scanf("%s %f", e[i].name, &e[i].sal); 
  return 0;
 }

    6. A.

    Error: invalid structure member
    B.

    Error: Floating point formats not linked
    C.

    No error
    D.

    None of above

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  6. Point out the error in the program?

     #include
 #include
 void modify(struct emp*);
 struct emp 
 {   
    char name[20];  
    int age;
 }; 
 int main()
 {   
     struct emp e = {"Sanjay", 35};      
     modify(&e); 
     printf("%s %d", e.name, e.age);        
     return 0;
 } 
 void modify(struct emp *p) 
 { 
     p ->age=p->age+2; 
 }

    7. A.

    Error: in structure
    B.

    Error: in prototype declaration unknown struct emp
    C.

    No error
    D.

    None of above

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  7. Point out the error in the program in 16-bit platform?

      #include

   int main() 
   {   
       struct bits    
       {         
         int i:40;    
      }bit;  
     printf("%d\n", sizeof(bit));     
     return 0;
  }

    8. A.

    4
    B.

    2
    C.

    Error: Bit field too large
    D.

    Error: Invalid member access in structure

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  8. Point out the error in the program?

    #include 
 int main() 
 {   
     union a   
     {        
         int i;    
         char ch[2];     
  };
  union a z1 = {512}; 
  union a z2 = {0, 2}; 
  return 0;
 }

     

    9. A.

    Error: invalid union declaration
    B.

    Error: in Initializing z2
    C.

    No error
    D.

    None of above

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  9. Point out the error in the program?

    #include 
 int main()
 {
     struct emp   
     {      
        char n[20];    
        int age;   
   };    
   struct emp e1 = {"Dravid", 23};          
   struct emp e2 = e1; 
   if(e1 == e2)   
       printf("The structure are equal");   
   return 0;
 }

    10. A.

    Prints: The structure are equal
    B.

    Error: Structure cannot be compared using '=='
    C.

    No output
    D.

    None of above

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  10. Point out the error in the program?

     #include
 
  int main() 
  {   
     struct bits    
     {        
         float f:2;    
       }bit;    
    printf("%d\n", sizeof(bit));       
    return 0;
 }

    11. A.

    4
    B.

    2
    C.

    Error: cannot set bit field for float
    D.

    Error: Invalid member access in structure

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