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C Programming :: Declarations and Initializations

Declarations and Initializations - General Questions
Declarations and Initializations - MCQ Set 1
Declarations and Initializations - Point Out Errors
Declarations and Initializations - Yes / No Questions
Declarations and Initializations - Find Output of Program
Declarations and Initializations - True / False Questions
Declarations and Initializations - Point Out Correct Statements

  1. What is the output of the program given below ?

    #include 
int main() 
{    
  enum status { pass, fail, atkt};       
  enum status stud1, stud2, stud3;    
  stud1 = pass;     
  stud2 = atkt;     
  stud3 = fail; 
printf("%d, %d, %d\n",stud1,stud2,stud3);     
return 0; 
}

    2. A.

    0, 1, 2
    B.

    1, 2, 3
    C.

    0, 2, 1
    D.

    1, 3, 2

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  2. What will be the output of the program in 16 bit platform (Turbo C under DOS)?

    #include
 int main() 
{     
   extern int i;    
   i = 20;     
   printf("%d\n", sizeof(i));     
   return 0; 
}

    3. A.

    2
    B.

    4
    C.

    vary from compiler
    D.

    Linker Error : Undefined symbol 'i'

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  3. What is the output of the program in Turbo C (in DOS 16-bit OS)?

    #include 
int main()
 {     
    char *s1;    
    char far *s2;    
    char huge *s3;    
 printf("%d, %d, %d\n", sizeof(s1), sizeof(s2), sizeof(s3));      
return 0; 
}

    4. A.

    2, 4, 6
    B.

    4, 4, 2
    C.

    2, 4, 4
    D.

    2, 2, 2

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  4. What is the output of the program

    #include 
int main()
 {    
 struct emp    
 {         
      char name[20];        
      int age;         
      float sal;    
 };     
struct emp e = {"Tiger"};    
 printf("%d, %f\n", e.age, e.sal);    
 return 0; 
}

    5. A.

    0, 0.000000
    B.

    Garbage values
    C.

    Error
    D.

    None of above

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  5. What will be the output of the program?

    #include 
  int X=40;
  int main()
 {
     int X=20;  
     printf("%d\n", X);   
     return 0; 
}

    6. A.

    20
    B.

    40
    C.

    Error
    D.

    No Output

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  6. What is the output of the program

    
#include
 int main() 
{
     extern int fun(float);    
     int a;     
     a = fun(3.14);     
     printf("%d\n", a);    
     return 0;
 }
 int fun(int aa) 
{    
 return (int)++aa; 
}

    7. A.

    3
    B.

    3.14
    C.

    0 
    D.

    4
    E.

    Compile Error

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  7. What is the output of the program

    #include
 int main() 
{     
  int a[5] = {2, 3};    
  printf("%d, %d, %d\n", a[2], a[3], a[4]);  
  return 0; 
}

    8. A.

    Garbage Values
    B.

    2, 3, 3
    C.

    3, 2, 2
    D.

    0, 0, 0

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  8. What is the output of the program?

    #include
 int main() 
{    
    union a     
    {        
    int i;         
    char ch[2];     
};    
   union a u;   
   u.ch[0] = 3;    
   u.ch[1] = 2;  
   printf("%d, %d, %d\n", u.ch[0], u.ch[1], u.i);      

  return 0; 
}

    9. A.

    3, 2, 515
    B.

    515, 2, 3
    C.

    3, 2, 5
    D.

    None of these

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  9. In the following program how long will the for loop get executed?

    #include 
int main() 
{     
   int i=5;    
   for(;scanf("%s", &i); printf("%d\n", i));    
return 0; 
}

    10. A.

    The for loop would not get executed at all
    B.

    The for loop would get executed only once
    C.

    The for loop would get executed 5 times
    D.

    The for loop would get executed infinite times

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