[**Virtual University Of Pakistan**Student Cafe] .::VULMSIT::.eNoxel.com CS304 Quiz No.2 Dated 26-11-2012

Select correct line of code for inheritance relationship between "Gender" class and "Male" class. "Gender" is parent class while "Male" is child class.

Select correct option:

class Male: public Gender

class Gender: public Male

class Male:: public Gender

class Gender:: public Male

In______________, a pointer or reference to an object is created inside a class.

Select correct option:

Aggregation

Composition

Inheritance

Association

Select correct line of code for inheritance relationship between "Person" class and "Supervisor" class. "Person" is parent class while "Supervisor" is child class.

Select correct option:

class Supervisor: public Person

class Person: public Supervisor

class Supervisor:: public Person

class Person:: public Supervisor

The direction specifies which object contains the other object. In composition direction is must.

No

Yes

Select correct line of code for inheritance relationship between "Keys" class and "SpecialKeys" class. "Person" is parent class while "SpecialKeys" is child class.

Select correct option:

class SpecialKeys: public Keys

class Keys: public SpecialKeys

class SpecialKeys:: public Keys

class Keys:: public SpecialKeys

"Keyboard" class is composed off "keys" class. What will be the order of execution of destructor of "Keyboard" class and "Keys" class?

Select correct option:

First Detructor::Keys..

Second Destructor::Keyboard..

First Destructor:: Keyboard..

Second Destructor:: Keys..

"A fan has wings". Which type of relationship exists between fan and wings?

Aggregation

Association

Composition

Inheritance

What type of relationship exists between "Account" class and "SavingAccount" class?

Inheritance

Composition

Aggregation

Association

Select correct line of code for inheritance relationship between "Nationality" class and "Citizen" class. "Nationality" is parent class while "Citizen" is child class.

class Citizen: public Nationality

class Nationality: public Citizen

class Citizen:: public Nationality

class Nationality:: public Citizen

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.
Select correct option:
Rational_number operator+( Rational_number & obj);
None of the given choices
Rational_number operator+(Rational_number &obj, double& num);
operator+(double& obj);


In _______________ a pointer or reference to an object is created inside a class
Select correct option:
Aggregation
Composition
Seperation
None of the given

Sub-Object can not be initialized using the constructor
Select correct option:
True
False

To initialize an array of objects, only _____________ will be called
Select correct option:
Defualt Constructor
Overloaded Constructor
Default Object
None of the above

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
Select correct option:
take two arguments.
None of the given choices
take single argument
take three arguments

Copy constructor is called when:
Select correct option:
An object is created in term of pre existence object
An object is created
An object is initialized
None of the given

Which of the following operator doesn't take any argument if overloaded?
Select correct option:
/
-
+
None of the given choices


Object can be declared constant with the use of Constant keyword.
Select correct option:
True
False


Always make pointer to null, whenever dynamic memory is deleted.
Select correct option:
True
False

__________ provide the facility to access the data member.
Select correct option:
accesser function
private function
inline function
None of the given

Person" class is composed off "Nationality" class. What will be the order of execution of constructor of "Keyboard" class and "Keys" class
First Constructor:: Nationality..
Second Constructor:: Person..
First Constructor:: Person..
Second Constructor:: Nationality..

The direction specifies which object contains the other object. In aggregation direction is must
Yes
No

Select correct line of code for inheritance relationship between "Account" class and "SavingAccount" class. "Account" is parent class while "SavingAccount" is child clas

class SavingAccount : public Account
class Account: public SavingAccount
class SavingAccount :: public Account
class Account :: public SavingAccount

"Keyboard" class is composed off "keys" class. What will be the order of execution of destructor of "Keyboard" class and "Keys" class
First Detructor::Keys..
Second Destructor::Keyboard..
First Destructor:: Keyboard..
Second Destructor:: Keys..

Select correct line of code for inheritance relationship between "Keys" class and "StandardKeys" class. "Person" is parent class while "StandardKeys" is child class.

class StandardKeys: public Keys
class Keys: public StandardKeys
class StandardKeys:: public Keys
class Keys:: public StandardKeys

Select correct line of code for inheritance relationship between "Gender" class and "Male" class. "Gender" is parent class while "Male" is child class.
class Male: public Gender
class Gender: public Male
class Male:: public Gender
class Gender:: public Male

What will be most appropriate C++ data type for variable "InterestRate
Int
long int
double
float

Select correct line of code for composition relationship between "Keyboard" class and "Keys" class

class keyboard { Keys type;};
class keys{ KeyBoard type; };
class keyboard : private keys
class keys: private KeyBoard

Method "getInterestRate()" should belongs to class
Account()
SavingAccount()
CurrentAccount()
None of the given options

Can we access methods of composed object in the same way as we can access methods of other objects?
Yes
No

The sub-object's life is not dependant on the life of master class in ___________.

Composition

Aggregation

Seperation

non of the given

correct line of code for inheritance relationship between "Nationality" class and "Foreigner" class. "Nationality" is parent class while

"Foreigner" is child class.

class Foreigner: public Nationality

class Nationality: public Foreigner

class Foreigner:: public Nationality

Select correct line of code for aggregation relationship between "Person" class and "Phone" class.

class Person { Phone * p; };

class Phone { Person * p; };

class Person { Phone p; };

class Phone { Person p; };

In ______________destructor of sub-object is called after destructor of master class.

smilechat: options

Aggregation

Composition

Inheritance

Association

correct line of code for inheritance relationship between "Gender" class

and "Female" class. "Gender" is parent class while "Female" is child

class.

class Female: public Gender

class Gender: public Female

class Female:: public Gender

class Gender:: public Female

Account" is parent class while "CurrentAccount" is child class. Can I inherit the destructor of "account" class?

Yes

no

Select correct line of code for aggregation relationship between "Person" class and "Address" class.

class Person { Address * a; };

class Address { Person * a; };

class Person { Address a; };

class Address { Person a; };

In ______________constructors of the sub-objects are always executed before the constructors of the master class.

Select correct option:

Aggregation

Composition

Inheritance

Association

What will be most appropriate C++ data type for variable "MinimumBalance"?

Select correct option:

int

long int

float

double

Person" class is composed off "Nationality" class. What will be the order of execution of constructor of "Keyboard" class and "Keys" class
First Constructor:: Nationality..
Second Constructor:: Person..
First Constructor:: Person..
Second Constructor:: Nationality..

The direction specifies which object contains the other object. In aggregation direction is must
Yes
No

Select correct line of code for inheritance relationship between "Account" class and "SavingAccount" class. "Account" is parent class while "SavingAccount" is child clas
class SavingAccount : public Account
class Account: public SavingAccount
class SavingAccount :: public Account
class Account :: public SavingAccount


"Keyboard" class is composed off "keys" class. What will be the order of execution of destructor of "Keyboard" class and "Keys" class
First Detructor::Keys..
Second Destructor::Keyboard..

First Destructor:: Keyboard..
Second Destructor:: Keys..

Select correct line of code for inheritance relationship between "Keys" class and "StandardKeys" class. "Person" is parent class while "StandardKeys" is child class.

class StandardKeys: public Keys
class Keys: public StandardKeys
class StandardKeys:: public Keys
class Keys:: public StandardKeys

Select correct line of code for inheritance relationship between "Gender" class and "Male" class. "Gender" is parent class while "Male" is child class.
class Male: public Gender
class Gender: public Male
class Male:: public Gender
class Gender:: public Male

What will be most appropriate C++ data type for variable "InterestRate
Int
long int
double
float

Select correct line of code for composition relationship between "Keyboard" class and "Keys" class
class keyboard { Keys type;};
class keys{ KeyBoard type; };
class keyboard : private keys
class keys: private KeyBoard

Method "getInterestRate()" should belongs to class
Account()
SavingAccount()
CurrentAccount()
None of the given options

Can we access methods of composed object in the same way as we can access methods of other objects?
Yes
No

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.

Select correct option:

Rational_number operator+( Rational_number & obj);

None of the given choices

Rational_number operator+(Rational_number &obj, double& num);

operator+(double& obj);

In _______________ a pointer or reference to an object is created inside a class

Select correct option:

Aggregation

Composition

Seperation

None of the given

Sub-Object can not be initialized using the constructor

Select correct option:

True

False

To initialize an array of objects, only _____________ will be called

Select correct option:

Defualt Constructor

Overloaded Constructor

Default Object

None of the above

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

Select correct option:

take two arguments.

None of the given choices

take single argument

take three arguments

Copy constructor is called when:

Select correct option:

An object is created in term of pre existence object

An object is created

An object is initialized

None of the given

Which of the following operator doesn't take any argument if overloaded?

Select correct option:

/

-

+

None of the given choices

Object can be declared constant with the use of Constant keyword.

Select correct option:

True

False

Always make pointer to null, whenever dynamic memory is deleted.

Select correct option:

True

False

__________ provide the facility to access the data member.

Select correct option:

accesser function

private function

inline function

None of the given

_____ is creating objects of one class inside another class.

Association

Composition

Aggregation

Inheritance

A template provides a convenient way to make a family of
Select correct option:
variables and data members
functions and classes
classes and exceptions
programs and algorithms

A class template may inherit from another class template.
Select correct option:
True
False

Target of a _____ function call is determined at run time.
Select correct option:
instance
virtual
operator
none of given

A class hierarchy
Select correct option:
shows the same relationships as an organization chart.
describes "has a" relationships.
describes "is a kind of" relationships.
shows the same relationships as a family tree.

Sender of the message does not need to know the exact class of receiver in______.
Select correct option:
Abstraction
Polymorphism
Inheritance
none of the given

A function call is resolved at run-time in_________
Select correct option:
non-virtual member function
virtual member function
Both non-virtual member and virtual member function.
None of given

Adding a derived class to a base class requires fundamental changes to the base class.
Select correct option:
True
False

User can make virtual table explicitly.
Select correct option:
True
False

Binding means that target function for a call is selected at compile time.
Select correct option:
Static
Dynamic
Automatic
None of given

Target of a _____ function call is determined at run time.
Select correct option:
instance
virtual
operator
none of given

Which line will produce error. Class phone: private Transmit, private Receiver { } 1. int main() 2. { 3. phone obj; 4. Tranmit* obj1 = &obj; 5. Received obj2 = &obj; 6. }
Select correct option:
3rd line will produce error
4th line will produce error
3rd and 4th line will produce error.
5th line will produce error

Function overriding is done in context of,
Select correct option:
Single class
Single derived class
Single base class
Derived and base classes

Consider the code below, class class1{ public: void func1(); }; class class2 : protected class1 { }; Function func1 of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

the following statements: 1) int iArray[5]; 2) int *pArr = iArray;
Select correct option:
These statements will compile successfully
Error in first statement
Error in second statement
None of given options

Methodologies to the development of reusable software relate to________.
Select correct option:
Structure programming
procedural programming
generic programming
None of the given

function template must have a parameter.
Select correct option:
True
False

The default inheritance mode is,
Select correct option:
Public inheritance
Protected inheritance
Private inheritance
None of these options

Two functions with same names, parameters and return type can exist in,
Select correct option:
Function overloading
Function overriding
Operator overloading
None of these options

Consider the code below, class c1{ }; class c2 : public c1 { }; class c3 : public c2 { }; Then c2 is,
Select correct option:

Direct base class of c3
Direct child class of c3
Direct base class of c1
None of these

Virtual functions allow you to
Select correct option:
create an array of type pointer-to-base class that can hold pointers to derived classes.
create functions that can never be accessed.
group objects of different classes so they can all be accessed by the same function code.
use the same function call to execute member functions of objects from different classes.

User can make virtual table explicitly.
Select correct option:
True
False

In order to define a class template the first line of definition must be:
Select correct option:
template <typename T>
typename <template T>
Template Class <ClassName>
Class <Template T>

Consider the following statements: 1) int iArray[5]; 2) int *pArr = iArray;
Select correct option:
These statements will compile successfully
Error in first statement
Error in second statement
None of given options

In c++ dynamic binding and polymorphism will be achieved when member function will be __.
Select correct option:
private
public
virtual
inline

In type in depended function template should be use where code and behavior must be identical.
Select correct option:
True
False

Consider the code below, class class1{ protected: int i; }; class class2 : private class1 { }; Then int member i of class1 is ____ in class2,
Select correct option:

public
protected
private
none of the given options

In specialization we can,
Select correct option:
Replace child class with its base class
Replace base class with its child class (Not Sure)
Replace both child and base classes interchangeably
None of the given options

Consider the code below, class class1{ public: void func1(); }; class class2 : public class1 { }; Function func1 of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

It is illegal to make objects of one class members of another class.
Select correct option:
True
False

An abstract class is useful when
Select correct option:
no classes should be derived from it.
there are multiple paths from one derived class to another.
no objects should be instantiated from its.
you want to defer the declaration of the class.

In resolution order compiler search firstly _______.
Select correct option:
Generic Template
Partial Specialization
Complete Specialization
Ordinary function

template<> class Vector{ void** p; //.... void*& operator[] ((int i); };
Select correct option:
This specialization can then be used as the common implimentation for all Vectors of pointers.
This spcialization can then be used as the all type implimentation for one type classes.
This specialization can then be used double type pointers.
This specialization should be used for Vectors of all type int types.

In private inheritance derived class pointer can be assigned to base class pointer in,
Select correct option:
Main function
In derived class member and friend functions
In base class member and friend functions
None of the given options

Which statement will be true for concrete class?
it implements an virtual concept.
it can be instantiated
it cannot be instantiated
none of given

Target of a _____ function call is determined at run time.
Select correct option:
instance
virtual
operator
none of given

The Specialization pattern after the name says that this specialization is to be used for every___.
Select correct option:
data types
meta types
virtual types
pointers type

c++ dynamic binding and polymorphism will be achieved when member function will be __.
Select correct option:
private
public
virtual
inline

Consider the code below, class class1{ protected: void func1(); }; class class2 : public class1 { }; Function func1 of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

Consider the code below, class class1{ protected: int i; }; class class2 : protected class1 { }; Then int member i of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

Consider the code below, class class1{ private: void func1(); }; class class2 : private class1 { }; Function func1 of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

Target of a _____ function call is determined at run time.
Select correct option:
instance
virtual
operator
none of given

Consider the following statements: 1) int iArray[5]; 2) int *pArr = iArray;
Select correct option:
These statements will compile successfully
Error in first statement
Error in second statement
None of given options

Consider the code below, class class1{ private: int i; }; class class2 : private class1 { }; Then int member i of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

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 virtual member function, ding(), then the statement p->ding(); will cause the version of ding() in the ___ class to be executed.
Select correct option:
base
derived
virtual
implemented

A class template may inherit from another class template.
Select correct option:
True
False

Derived class can inherit from public base class as well as private and protected base classes
Select correct option:
True
False

Two functions with same names, parameters and return type can exist in,
Select correct option:
Function overloading
Function overriding
Operator overloading
None of these options

Consider the code below, class class1{ private: int i; }; class class2 : public class1 { }; Then int member i of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

Target of a _____ function call is determined at run time.
Select correct option:
instance
virtual
operator
none of given

A class template may inherit from another class template.
Select correct option:
True
False

A function call is resolved at run-time in_________
Select correct option:
non-virtual member function
virtual member function
Both non-virtual member and virtual member function.
None of given

hello

A class hierarchy
Select correct option:
shows the same relationships as an organization chart.
describes "has a" relationships.
describes "is a kind of" relationships.
shows the same relationships as a family tree.

Consider the code below, class class1{ public: int i; }; class class2 : public class1 { }; Then int member i of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

Consider the code below, class c1{ }; class c2 : public c1 { }; class c3 : public c2 { }; Then c1 is,
Select correct option:
Direct base class of c3
Direct child class of c3
Direct base class of c2
Direct child class of c2

A class can inherit from more then one class is called.
Select correct option:
Simple inheritance
Multiple inheritances
Single inheritance
Double inheritance

template<> class Vector{ void** p; //.... void*& operator[] ((int i); };
Select correct option:

This specialization can then be used as the common implimentation for all Vectors of pointers.
This spcialization can then be used as the all type implimentation for one type classes.
This specialization can then be used double type pointers.
This specialization should be used for Vectors of all type int types.

Consider the code below, class class1{ public: int i; }; class class2 : protected class1 { }; Then int member i of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

Consider the code below, class class1{ private: void func1(); }; class class2 : public class1 { }; Function func1 of class1 is ____ in class2,
Select correct option:
public
protected
private
none of the given options

Templates automatically create different versions of a function, depending on user input.
Select correct option:
True
False

_________ Binding means that target function for a call is selected at run time
Select correct option:
Automatic
Dynamic
Static
Dramatic

When we create objects, then space is allocated to:

Member function

Access specifier

Data member

None of given

There is only one form of copy constructor.

True

False

Which of the following features of OOP is used to deal with only relevant details?

Abstraction

Information hiding

Object

____________ Binding means that targets function for a call is selected at compile time.

Static

Dynamic

Automatic

None of given

A Class hierarchy

Shows the same relationships as an organization chart

Describes "has a" relationships.

Describes "is a kind of" relationships.

Shows the same relationships as a family tree

In C++, we declare a function virtual by preceding the function header with keyword "Inline"

True

False

It is illegal to make objects of one class members of another class.

True

False

In Resolution order compiler search firstly____________.

Generic Template

Partial Specification

Complete Specification

Ordinary function

Derived class can inherit from public base class as well as private and protected base classes

True

False

Which line will produce error. Class phone: Private Transmit, private Receiver { } 1.int main () 2. { 3.phone obj; 4.Tranmit*obj1 = &obj; 5.Received obj2 = &obj; 6.}

3^rd line will produce error

4th line will produce error

3^rd and 4^th line will produce error.

5^th line will produce error.

Methodologies to the development of reusable software relate to ____________.

Structure programming

Procedural programming

Generic programming

None of the given

A template argument is preceded by the keyword__________.

Vector

Class

Template

Type*

Friends are used exactly the same for template and non-template classes.

True

False

A function template must have a parameter

True

False

Child class can call constructor of its,

Direct base class

Indirect base class

Both direct and indirect base classes

None of these.

Which statement will be true for concrete class?

It implements an virtual concept.

It can be instantiated

It cannot be instantiated

None of given

A class D can be derived from a class C, which is derived froma class B, which is derived from a class A

True

False

Adding a derived class to a base class requires fundamental changes to the base class.

True

False

A Class or class template can have member ___________ that are themselves templates.

Variable

Function

Objects

None of given

Which will be the Primary task or tasks of generic programming?

Categorize the abstractions in a domain into concepts

Implement generic algorithms based on the concepts

Build concrete models of the concepts

All of given

The default inheritance mode is,

Public inheritance

Protected Inheritance

Private Inheritance

None of these options

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 virtual member function, ding(), then the statement p->ding(); will cause the version of ding() in the __________class to be executed.

Base

Derived

Virtual

Implemented

A class template ____________

Facilitates reuse of class

Does not facilitate reuse of class

Sender of the message does not need to know the exact class of receiver in________.

Abstraction

Polymorphism

Inheritance

none of the given