CS304 Midterm Online Quiz

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CS304-Midterm

1 / 50

C++ compiler does not allow to dynamically allocate memory for objects

2 / 50

this pointers are not accessible for static member functions

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If there is a pointer p to objects of a base class, and it contains the address of an object of a derived class, and both classes contain a nonvirtual member function, ding(), then the statement p->ding(); will cause the version of ding() in the _____ class to be executed

4 / 50

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

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

6 / 50

_______ is a relationship

7 / 50

C++ compiler does not allow to dynamically allocate memory for objects

8 / 50

Which operator can not be overloaded?

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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

10 / 50

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

11 / 50

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

12 / 50

What is true about function templates?

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The members of a class that can be accessed without creating the object of the class is called

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_______ remain in memory even when all objects of a class have been destroyed

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 Which one is not keyword in C++?

16 / 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

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Suppose that the Test class does not have an overloaded assignment operator. What happens when an assignment a=b; is given for two Test objects a and b?

18 / 50

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

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A generalization-specialization relation between classes are implemented using

20 / 50

this pointers are not accessible for static member functions

21 / 50

 _______ remain in memory even when all objects of a class have been destroyed

22 / 50

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

23 / 50

We capture the object attributes and behavior in Object Oriented programming using---------------

24 / 50

Constant objects cannot change their state,

25 / 50

Which operator can not be overloaded?

26 / 50

Given the following class class Base{ int Age=33; } How you can improve above class with respect to accessing the field Age?

27 / 50

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

28 / 50

A template provides a convenient way to make a family of

29 / 50

Which of the following are an advantage of OOP?

30 / 50

Assume a class Derv that is privately derived from class Base. An object of class Derv located in main() can access 

31 / 50

In object orientated programming, a class of objects cans _____________ properties from another class of objects

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What a derived class can add?

33 / 50

Which operator can not be overloaded?

34 / 50

The statement objA=objB; will cause a compiler error if the objects are of different classes

35 / 50

template <> class Vector { } This is an example of partial specialization

36 / 50

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

37 / 50

Suppose that the Test class does not have an overloaded assignment operator. What happens when an assignment a=b; is given for two Test objects a and b?

38 / 50

The process of hiding unwanted details from users is called __________

39 / 50

Which operator can not be overloaded?

40 / 50

Friend functions are _____________ functions of a class

41 / 50

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?

42 / 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?

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________ is/are used to access information hidden within an object?

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

45 / 50

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

46 / 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

47 / 50

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

48 / 50

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

49 / 50

A static member function cannot be declared

50 / 50

Your chief Software designer has shown you a sketch of the new Computer parts system she is about to create. At the top of the hierarchy is a Class called Computer and under this are two child classes. One is called LinuxPC and one is called WindowsPC. The main difference between the two is that one runs the Linux operating System and the other runs the Windows System (of course another difference is that one needs constant re-booting and the other runs reliably). Under the WindowsPC are two Sub classes one called Server and one Called Workstation. How might you appraise your designers work?

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