[**Virtual University Of Pakistan**Student Cafe] .::VULMSIT::.eNoxel.com CS304 Quiz No.2 Rescheduled Dated Dec 05, 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 of "keys" class. What will be the order of execution of constructor 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

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

"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. "Keys" 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