21. What is the output of this program?
    

    #include 
        using namespace std;
        void fun()
        void fun()
        {
            cout<<"Inteview Mania";
        }
        int main()
        {
            fun();
            return 0;
        }
    

1. 1. Garbage value

   
   
   

   2. Inteview Mania

   
   
   

   3. Runtime Error

   
   
   

   4. Compilation Error

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   We have to use the semicolon to declare the function in line 3. If we did means, the program will execute.

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22. Which is more effective while calling the functions?

1. 1. call by pointer

   
   
   

   2. call by value

   
   
   

   3. call by reference

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   In the call by reference, it will just copy the address of the variable to access it, so it will reduce the memory in accessing it.

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23. How many can max number of arguments present in function in the c99 compiler?

1. 1. 127

   
   
   

   2. 102

   
   
   

   3. 90

   
   
   

   4. 99

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   127

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24. which of the following is used to terminate the function declaration?

1. 1. )

   
   
   

   2. ;

   
   
   

   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

   ")" is used to terminate the function declaration.

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25. What are mandatory parts in the function declaration?

1. 1. parameters, function name

   
   
   

   2. return type, function name

   
   
   

   3. return type, function name, parameters

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   In a function, return type and function name are mandatory all else are just used as a choice.

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