CS304 - Object Oriented Programming
Quiz No.1
14th Nov 2012
When we create objects, then space is allocated to:
Member functions
Access specifier
Data members
None of the given
If we extend our model, and the rest of model is not affected, then its called ___________
Consistency
Flexibility
Efficiency
Reusability
Using encapsulation we can achieve
Information hiding
Least interdependencies among modules
Implementation independence
All of given options
Consider the statement "room has chair" which of the following type of association exists between room and chair?
Inheritance
Composition
There is no association
Aggregation
A good model is ................ related to a real life problem.
Loosely
Openly
Closely
Not
If a class A inherits from class B, then class A is called.
Child Class
Derived class
Parent class
Child and derived class
Which one of the following is not a major element in an object model?
Abstraction
Encapsulation
Persistence
Hierarchy
Member functions defined inside a class declaration are ________ by default.
Visible
Public
Private
Changed
Advantage(s) of information hiding
Simplifies the model
Restriction to change
Both of above
None of the above
Which of the following parts of an object exhibits its state?
Data
Operations
Any public part
Any private part
Without using Deep copy constructor. A___________ problem can occur
System crash
Memory
Leakage
Dangling printer
All the given
Three main characteristics of "Object Oriented programming" are,
Encapsulation, dynamic binding, polymorphism
Polymorphism, overloading, overriding
Encapsulation, inheritance, dynamic , binding
Encapsulation, inheritance, polymorphism
Overriding concept is used in"
Encapsulation
Polymorphism
Information hiding
None of the given
Main advantage of inheritance is:
Better understanding
Les understating
Reuse
Less complexity
Which one is a class association
Simple association
Inheritance
Composition
Aggregation
Public member function exposed by a class is called surface
True
False
Constructor and destructor can be declared constant
True
False
Which can allocate dynamic memory allocation through______ keyword.
Static
Global
New
Const
In inheritance, a child class is sub-type of base class.
True
False
If only one behaviour of a derived class is incompatible with base class, then it is:
Generalization
Specification
Extension
Inheritance
"A fan has wings". Which type of relation exists between fan and wings in the sentence?
Aggregation
Association
Generalization
Composition
When an object initialize _________ automatically call by the complier
Constructor
Function
Object
None of the given
A class __________ destructor.
No
One
Two
Three
Suppose there is an object of type person, which of the following can be considered as one of its attributes
Name
Age
Work ()
Both name and Age
If MyClass has destructor named?
MyClass
~MyClass
My~Class
MyClass~
An abstract class shows _______ behaviour.
Overriding
Specific
General
None of the given
The _________ keyword tells the compiler to substitute the code within the function definition for every instance of a function call.
Virtual
Inline
Instance
None of the given
We can choose any arbitrary name for a constructor.
Select correct option:
TrueFalse
Which one is not the main feature of object oriented programming?
Select correct option:
Classes and Objects
Exception handling
Inheritance
Polymorphism
The dot operator (or class member access operator) connects the following two entities (reading from left to right):
Select correct option:
A class member and a class object
A class object and a class
A class and a member of that class
A class object and a member of that class
If only one behaviour of a derived class is incompatible with base class, then it is:
Select correct option:
Generalization
Specialization
Extension
Inheritance
Storing data and functions in a single unit (class). Data cannot be accessible to the outside world and only those functions which are stored in the class can access it
Select correct option:
Inheritance
Abstraction
Polymorphism
Encapsulation
If MyClass has a destructor what is the destructor named?
Select correct option:
MyClass
~MyClass
My~Class
MyClass~
A real world object can be transformed into programming entity by defining its respective
Select correct option:
Class
Function
Only states
Only behaviour
Which of the following features of OOP is used to deal with only relevant details?
Select correct option:
Abstraction
Information hiding
Object
Inheritance
In class, attributes and behaviour is represented by:
Select correct option:
Member functions, data members
Member functions, scope of data members
Data members, member functions
None of the given
Using encapsulation we can achieve
Select correct option:
Information hiding
Least interdependencies among modules
Implementation independence
All of given options
Information hiding can be achieved through__________.Encapsulation, Inheritance
Encapsulation, Polymorphism
Encapsulation, Abstraction
Overloading
A good model is ................ related to a real life problem.
Select correct option:
Loosely
Openly
Closely
Which of the following features of OOP is used to derive a class from another?
Select correct option:
Encapsulation
Polymorphism
Data hiding
Inheritance
Which of the following is a weak relationship between two objects?
Select correct option:
Inheritance
Composition
Aggregation
None of given
Data items in a class must be private.
Select correct option:
True
False
Which one is a class association?
Select correct option:
Simple Association
Inheritance
Composition
Aggregation
Suppose there is an object of type Person, which of the following can be considered as one of its attributes
Select correct option:
Name
Age
Work()
Both Name and Age
Question # 8 of 10 ( Start time: 01:17:52 AM ) Total M a r k s: 1
Which one is not an object association?
Select correct option:
Simple association
Inheritance
Aggregation
Association
Using encapsulation we can achieve
Select correct option:
Information hiding
Least interdependencies among modules
Implementation independence
All of given options
In constant member function the type of this pointer is:
Select correct option:
Constant pointer
Constant pointer to object
Constant pointer to class
Constant pointer to constant object
Which of the following is the way to extract common behavior and attributes from the given classes and make a separate class of those common behaviors and attributes?
Generalization
Sub-typing
Specialization
Extension
The ability to derive a class from more than one class is called
Single inheritance
Encapsulation
Multiple inheritance
Polymorphism
If MyClass has a destructor what is the destructor named?
MyClass
~MyClass
My~Class
MyClass~
Class abc{ ----- }; Is a valid class declaration?
yes
no
Without using Deep copy constructor, A ____________ problem can occur
System crash
Memory Leakage
Dangling pointer
All of the given
If only one behaviour of a derived class is incompatible with base class, then it is:
Generalization
Specialization
Extension
Inheritance
Which of the following may not be an integral part of an object?
state
behavior
Protected data members
All of given
Only tangible things can be chosen as an object.
True
False
Class is not a mechanism to create objects and define user data types.
true
false
Memory is allocated to non static members only, when:Class is created
Object is defined
Object is initialized
Object is created
The sub-object's life is not dependent on the life of master class in ___________.Composition
Aggregation
Separation
non of the given
Unary operators and assignment operator are right associative.true
false
The >= operator can't be overloaded.true
false
_____ is creating objects of one class inside another class.Association
Composition
Aggregation
Inheritance
If we are create array of objects through new operator, thenWe can call overloaded constructor through new
We can't call overloaded constructor through new
We can call default constructor through new
None of the given
Object can be declared constant with the use of Constant keyword.true
false
__________ Operator will take only one operand.
New
int
object
none of the given
Which of the following operator(s) take(s) one or no argument if overloaded?++
*
%
All of the given choices
this pointer does not pass implicitly to __________ functions.Static Member
Non-Static Member
Instance Number
None of the given
Operator overloading ismaking C++ operators work with objects.
giving C++ operators more than they can handle.
giving new meanings to existing Class members.
making new C++ operators
Which of the following is TRUE,
Derived class pointer can be used as Base class pointer
Base class pointer can be used as Derived class pointer
Both of these options
None of these options
___________ Binding means that target function for a call is selected at run time
Automatic
Dynamic
Static
Dramatic
When we want to implement one class in terms of another class then we use
Public inheritance
Protected inheritance
Private inheritance
None of these options
Consider the code below, class c1{ }; class c2 : public c1 { }; class c3 : public c2 { }; Then c2 is
Direct base class of c3
Direct child class of c3
Direct base class of c1
None of these
Consider the code below, class class1{ private: int i; }; class class2 : public class1 { }; Then int member i of class1 is ______ in class2,
Public
Protected
Private
None of the given options
A parent class can call constructor of its child class through
Its constructor initialization list
Its constructor body
Both from its constructor initialization list or body
Can not call the constructor of its child class
In Private Inheritance the public members of base class become __________ in derived class.
Public
Private
Protected
None of the given options
Function overriding is done in context of,
Single class
Single derived class
Single base class
Derived and base classes
Child class can call constructor of its,
Direct base class
Indirect base class
Both direct and indirect base classes
None of these
Adding a derived class to a base class requires fundamental changes to the base class
True
False
_______________ is automatically called when the object is created.
Member function
Object
Constructor
None of the given
Inheritance is a way to
Organize data
Pass arguments to objects of classes
Add features to existing classes without rewriting them
Improved data-hiding and encapsulation
Through interface we access object_____________.
States
Data members
Behaviour
None of the given
Which of the following may not be integral part of an object?
State
Behavior
Protected data members
All of given
Suppose there is an object of type Person, which of the following can be considered as on of its attributes.
Name
Age
Work()
Both Name and Age
If we have an overloaded constrictor in our class, then compiler construct the default constructor.
True
False
Advantages(s) of information hiding
Simplifies the model
Restriction to change
Both of above
None of the above
If some of objects exhibit identical characteristics, then they belong to:
Different classes
Multiple classes
Same class
None of the given
Which of the following is the way to extract common behaviour and attributes from the given and make a separate class of those common behaviours and attributes?
Generalization
Sub-typing
Specification
Extension
A class has ________ destructor
One
Two
Three
Bahaviors of a type of objects are represented through
States
Attributes
Operations
Which is not an example of multiple inheritances?
Mermaid
Amphibious Vehicle
Car
None of the above
Static data members are called ____________ variable
Class
Object
Structure
None of the given
Associatively can be change in operator overloading.
True
False
________ and ______ methods may not be declared abstract.
Private,static
private,public
static,public
none of the given
Let Suppose a class Student with objects std1, std2, and std3. For the statement std3 =
std1 - std2 to work correctly, if the overloaded - operator must
take two arguments.
None of the given choices
take single argument
take three arguments
To initialize an array of objects, only _____________ will be called
Default Constructor
Overloaded Constructor
Default Object
None of the above
__________ provide the facility to access the data member.
accesser function
private function
inline function
None of the given
If a class involves dynamic memory allocation, then:
Default copy constructor, shallow copy is implemented
User defined copy constructor, shallow copy is implemented
Default copy constructor, deep copy is implemented
User defined copy constructor, deep copy is implemented
The sentence "Object Oriented Programming book in bookshelf" is an example of:
Association
Multiple associations
Aggregation
How the information hidden within an object can be accessed?
Through its interface
Through its private data member
Through its private member functions
There is no need to is or is a kind of relationship in generalization
True
False
An object has _______ interface(s)
Only one
Only two
One or more than one
Which of the following is an advantage of OOP?
It provides an ability to create one user defined data type extending the other
It provides the facility of defining abstract data type through which real entities can be defined better
All of the given option
Encapsulation means
Select correct option:
Extending the behaviour of class in another class
Data and behaviour are tightly coupled within an entity
One entity takes all the attributes and operations of the other
Taking out the common features and put those in a separate class
We can allocate dynamic memory allocation through___________ key word.
Select correct option:
Static
Global
New
ConstIn programming, where the actual actions are coded is called:
Select correct option:
Function declaration
Function calling
Function definition
None of the given
Which of the following is directly related to polymorphism?
Select correct option:
Overriding
Const members
Static members
None of given
In a class declaration, data or functions designated private are accessible
Select correct option:
to any function in the program.
only if you know the password.
to member functions of that class.
only to public members of the class.
An instance of user defined type is called
Select correct option:
Object
Class
both of above
none of above
Aggregation is implemented using pointer.
Select correct option:
True
False
If class A supports all the operations of class B, then class A is:
Class A is behaviourally compatible with class B
Class A is behaviourally incompatible with class B
Class A is independent of class B
None of the given
Objects having identical characteristics belong to ______________
Same class
Two different classes
Any number of different classes
Objects can not have identical characteristics
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