CS304 Midterm Online Quiz

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CS304-Midterm

1 / 50

A member function having the same name as that of a class and a ~ sign with it is called,

2 / 50

this pointers are not accessible for static member functions

3 / 50

A generic class showing all the common attributes and a behavior of other classes represents a very important feature in oop called --------

4 / 50

We can get only one unique value which can be used by all the objects of that class by the use of,

5 / 50

Friend functions are _____________ functions of a class

6 / 50

Identify which of the following overloaded operator function’s declaration is appropriate for the given call? Rational_number_1 + 2.325 Where Rational_number_1 is an object of user defined class Rational_number

7 / 50

The life of sub object is not dependant on the life of master class in ___________

8 / 50

Which operator can not be overloaded?

9 / 50

Which of the following may not be an integral part of an object?

10 / 50

We can use "this" pointer in the constructor in the body and even in the initialization list of any class if we are careful,

11 / 50

Static variable can be initialized more than once

12 / 50

A template provides a convenient way to make a family of

13 / 50

Which of the following is not an example of multiple inheritances?----------

14 / 50

Which one of the following features of OOP is used to derive a class from another?

15 / 50

The compiler won’t object if you overload the * operator to perform division

16 / 50

What is true about function templates?

17 / 50

Static variables act like a global variable in the context or scope of the class

18 / 50

When a variable is define as static in a class then all object of this class,

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Suppose you have been given the following design, "A person has a name, age, address and sex. You are designing a class to represent a type of person called a patient. This kind of person may be given a diagnosis, have a spouse and may be alive". Given that the person class has already been created, what of the following would be appropriate to include when you design the patient class?

20 / 50

The process of hiding unwanted details from users is called __________

21 / 50

What a derived class can add?

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Consider the code below, class Fred { public: Fred(); ... }; int main() { Fred a[10]; Fred* p = new Fred[10]; ... } Select the best option,

23 / 50

The ________ relationship indicates that an object contains other objects

24 / 50

Which of the following operators always takes no argument if overloaded? 

25 / 50

Constant objects cannot change their state,

26 / 50

 Which one is not keyword in C++?

27 / 50

__________ satisfy the condition of polymorphism

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___________, which means if A declares B as its friend it does NOT mean that A can access private data of B. It only means that B can access all data of A

29 / 50

 Which one is not keyword in C++?

30 / 50

For classes with common behavior, you can save effort by placing the common behavior in a __________

31 / 50

In order to free the memory occupied by the object, we use -------------

32 / 50

The >= operator can be overloaded.

33 / 50

If you define a vector v with the default constructor, and define another vector w with a one-argument constructor to a size of 11, and insert 3 elements into each of these vectors with push_back(), then the size() member function will return ______ for v and _____ for w

34 / 50

Suppose there is an object of type Person, which of the following can be considered as one of its attributes

35 / 50

To convert from a user-defined class to a basic type, you would most likely use

36 / 50

A generalization-specialization relation between classes are implemented using

37 / 50

Which of the following is the best approach if it is required to have more than one functions having exactly same functionality and implemented on different data types?

38 / 50

Friend class and friend function can be used as an alternate to each other

39 / 50

Inheritance is a way to

40 / 50

Which operator can not be overloaded?

41 / 50

A C++ class is similar to --------------------

42 / 50

this pointers are not accessible for static member functions

43 / 50

What a derived class can add?

44 / 50

Which part of an object exhibits its state?

45 / 50

Which operator can not be overloaded?

46 / 50

Which is not the Advantage of inheritance?

47 / 50

What problem(s) may occur when we copy objects without using deep copy constructor?

48 / 50

Assume a class C with objects obj1, obj2, and obj3. For the statement obj3 = obj1 - obj2 to work correctly, if the overloaded - operator must

49 / 50

A non-virtual member function is defined in a base class and overridden in a derived class; if that function is called through a base-class pointer to a derived class object, the derived-class version is used

50 / 50

a’A static member function can be called, even when a class is not __________

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