CS304 Solved Quiz 1 2021 by Elon Musk

CS304 Quiz #1 by

Q1. Suppose derived class is inherited from base class. What happens when a derived class object is created?

The constructor of base class is executed before the constructor of derived class.

2. Suppose str1, str2 and str3 are objects of class String. Choose appropriate declaration of str1 = str2 = str3;

Q3. In C++, which of the following is defined as stream insertion operator?

4. Choose correct declaration of overloaded inequality (!=) operator for class String as non- member friend function. None of the given options
5. Relationship in which child object gets destroyed if parent object is destroyed.

Q6. How the information hidden within an object can be accessed?

Through its interface

Q7. Which of the following defines default constructor for class "Student"?

Student() {//...

8. The sub-object’s life is not dependent on the life of master class in ___________. Aggregation
9. Hiding the implementation details makes program: Easy to understand
10. The functions defined inside the class are by default ________. Inline

Q11. Which of the following statement is TRUE about static function of a class?

It is used to access static data members.

12. Deconstruct is a function which has the same name as that of class but starts with a—– sign
13. 'this' pointer cannot be passed implicitly to __________ functions. Static Member

Q14. Which of the following can be the behavior of an object “Usman”?

Eat

15. In Object Oriented programming, objects communicate with each other through

Messages

16. Constructor is used to______the objects of a class. Initialize

Q17. Which of the following is NOT an access specifier in C++?

Hidden

18. The other name of subtyping is ________. Extension

Q19. Suppose a class does not have any constructor. What will happen when an object of this class is created?

Compiler will call implicit default constructor.

20. In case when we define the function outside the class then we must use the keyword _________ to make the function inline. Inline
21. In constant member function the type of this pointer is: Constant pointer to constant data
22. In ____________, base class can be replaced by the derived class. Extension
23. We can get the address of a variable stored in a pointer using __________: & symbol
24. A child inherits characteristics from its _________. Parent

Q25. Which of the following function declaration is correct to overload the + operator as member function in Complex class?

Complex operator +(const Complex & rhs);

Q26. Which of the following is not true about constant member function?

Q27. What is the general syntax of overloading Unary Operator as member function of the class?

TYPE & operator OP ();

28. _____ is creating objects of one class inside another class.