31. What is the operation for .*?

1. 1. It reduces the data size

   
   
   

   2. It combines the first operand and the second operand

   
   
   

   3. It separates the first operand and the second operand

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   The binary operator .* combines its first operand, which must be an object of class type, with its second operand, which must be a pointer-to-member type.

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32. which of the following can be passed in function pointers?

1. 1. functions

   
   
   

   2. variables

   
   
   

   3. data types

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   functions

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33. What is the mandatory part to present in function pointers?

1. 1. return values

   
   
   

   2. data types

   
   
   

   3. &

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   The data types are mandatory for declaring the variables in the function pointers.

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34. What is the output of this program?
    

    #include 
        using namespace std;
        int function(int n, int m)
        {
            cout << n;
            cout << m;
            return 0;
        }
        int main(void)
        {
            int(*p)(char, int);
            p = function;
            function(11, 10);
            p(12, 13);
            return 0;
        }
    

1. 1. 11

   
   
   

   2. 10

   
   
   

   3. 12

   
   
   

   4. 13

   
   
   

   5. Compilation Error

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   In this program, we can’t do the casting from char to int, So it is raising an error.

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35. What is the output of this program?
    

    #include 
        using namespace std;
        int function(char, int);
        int (*ptr) (char, int) = function;
        int main()
        {
            (*ptr)('I', 6);
            ptr(12, 6);
            return 0;
        }
        int function(char n, int num)
        {
            cout << n <<  num;
            return 0;
        }
    

1. 1. N66

   
   
   

   2. 6N6

   
   
   

   3. 66N

   
   
   

   4. 126

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   N66

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