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C Programming :: Bitwise Operators

Bitwise Operators - General Questions
Bitwise Operators - Yes / No Questions
Bitwise Operators - Find Output of Program
Bitwise Operators - True / False Questions
Bitwise Operators - Point Out Correct Statements

  1. Assunming, integer is 2 byte, What will be the output of the program?

    #include 

 int main() 
 {  
      printf("%x\n", -1>>1);     
      return 0;
 }

    2. A.

    ffff
    B.

    0fff
    C.

    0000
    D.

    fff0

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  2. If an unsigned int is 2 bytes wide then, What will be the output of the program ?

     #include

  int main()
  {    
     unsigned int m = 32;     
     printf("%x\n", ~m);  
     return 0; 
   }

     

    3. A.

    ffff
    B.

    0000
    C.

    ffdf
    D.

    ddfd

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  3. Assuming a integer 2-bytes, What will be the output of the program?

     #include 

  int main() 
  {  
       printf("%x\n", -13);     
       return 0;
  }

    4. A.

    ffff
    B.

    fff8
    C.

    0 
    D.

    -1

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  4. If an unsigned int is 2 bytes wide then, What will be the output of the program ?

     #include
 
  int main() 
  {    
      unsigned int a=0xffff;  
      ~a;     
      printf("%x\n", a);    
      return 0;
 }

    5. A.

    ffff
    B.

    0000
    C.

    00ff
    D.

    ddfd

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  5. What will be the output of the program?

    #include 

 int main() 
 {   
     printf("%d >> %d %d >> %d\n", 4 >> 1, 8 >> 1);   
     return 0;
  }

    6. A.

    4 1 8 1
    B.

    4 >> 1 8 >> 1
    C.

    2 >> 4 Garbage value >> Garbage value
    D.

    2 4

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  6. What will be the output of the program?

      #include
  int main()
  {    
     char c=48;   
     int i, mask=01;  
     for(i=1; i5; i++)   
     {    
         printf("%c", c|mask);         
         maska= mask1;  
     }    
     return 0; 
  }

     

    7. A.

    12400
    B.

    12480
    C.

    12500
    D.

    12556

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  7. What will be the output of the program?

    #define P printf("%d\n", -1^~0); #define M(P) int main()\              
                {\            
                    P\                 
                    return 0;\              
                }
 M(P)

    8. A.

    1
    B.

    0
    C.

    -1
    D.

    2

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  8. What will be the output of the program ?

     #include

  int main() 
  {   
      int i=32, j=0x20, k, l, m;     
      k=i|j;  
      l=i&j;   
      m=k^l;   
      printf("%d, %d, %d, %d, %d\n", i, j, k, l, m);    
      return 0;
  }

    9. A.

    0, 0, 0, 0, 0
    B.

    0, 32, 32, 32, 32
    C.

    32, 32, 32, 32, 0
    D.

    32, 32, 32, 32, 32

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  9. What will be the output of the program?

      #include
  int main()
  {    
       printf("%d %d\n", 321, 320); 
       printf("%d %d\n", 321, 320);     
       printf("%d %d\n", 32>>1, 32>>0);    
       printf("%d %d\n", 32>>-1, 32>>-0);     
       return 0; 
 }

    10. A.

    Garbage values
    B.

    64 32
    0 32
    16 32
    0 32
    C.

    All zeros
    D.

    8 0
    0 0
    32 0
    0 16

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  10. What will be the output of the program ?

    #include 

 int main() 
 {  
         int i=4, j=8;   
         printf("%d, %d, %d\n", i|j&j|i, i|j&&j|i, i^j);    
         return 0;
 }

    11. A.

    4, 8, 0
    B.

    1, 2, 1
    C.

    12, 1, 12
    D.

    0, 0, 0

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