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  • Question
  • Which of the following function prototype is perfectly acceptable?


  • Options
  • A. int Function(int Tmp = Show());
  • B. float Function(int Tmp = Show(int, float));
  • C. Both A and B.
  • D. float = Show(int, float) Function(Tmp);

  • Correct Answer
  • int Function(int Tmp = Show()); 


  • Functions problems


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    • 1. Where the default value of parameter have to be specified?

    • Options
    • A. Function call
    • B. Function definition
    • C. Function prototype
    • D. Both B or C
    • Discuss
    • 2. Which of the following statement is correct?

    • Options
    • A. Overloaded functions can have at most one default argument.
    • B. An overloaded function cannot have default argument.
    • C. All arguments of an overloaded function can be default.
    • D. A function if overloaded more than once cannot have default argument.
    • Discuss
    • 3. Which of the following statement is incorrect?

    • Options
    • A. The default value for an argument can be a global constant.
    • B. The default arguments are given in the function prototype.
    • C. Compiler uses the prototype information to build a call, not the function definition.
    • D. The default arguments are given in the function prototype and should be repeated in the function definition.
    • Discuss
    • 4. Which of the following statement is correct?

    • Options
    • A. C++ enables to define functions that take constants as an argument.
    • B. We cannot change the argument of the function that that are declared as constant.
    • C. Both A and B.
    • D. We cannot use the constant while defining the function.
    • Discuss
    • 5. Which of the following statement is correct?

    • Options
    • A. Constructors can have default parameters.
    • B. Constructors cannot have default parameters.
    • C. Constructors cannot have more than one default parameter.
    • D. Constructors can have at most five default parameters.
    • Discuss
    • 6. Which of the following function / types of function cannot have default parameters?

    • Options
    • A. Member function of class
    • B. main()
    • C. Member function of structure
    • D. Both B and C
    • Discuss
    • 7. Which of the following statements is correct about the constructors and destructors?

    • Options
    • A. Destructors can take arguments but constructors cannot.
    • B. Constructors can take arguments but destructors cannot.
    • C. Destructors can be overloaded but constructors cannot be overloaded.
    • D. Constructors and destructors can both return a value.
    • Discuss
    • 8. How can we make a class abstract?

    • Options
    • A. By making all member functions constant.
    • B. By making at least one member function as pure virtual function.
    • C. By declaring it abstract using the static keyword.
    • D. By declaring it abstract using the virtual keyword.
    • Discuss
    • 9. What does the class definitions in following code represent?
      class Bike
      {
          Engine objEng;
      };
      class Engine
      {
          float CC;
      };

    • Options
    • A. kind of relationship
    • B. has a relationship
    • C. Inheritance
    • D. Both A and B
    • Discuss
    • 10. Which of the following statements about virtual base classes is correct?

    • Options
    • A. It is used to provide multiple inheritance.
    • B. It is used to avoid multiple copies of base class in derived class.
    • C. It is used to allow multiple copies of base class in a derived class.
    • D. It allows private members of the base class to be inherited in the derived class.
    • Discuss


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