11th Computer Science Monthly Test -1 ( Inheritance )

MABS Institution

11th Computer Science Monthly Test -1 ( Inheritance )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

class vehicle
{ int wheels;
public:
void input_ data(float,float);
void output_data();
protected:
int passenger;
};
class heavy_vehicle : protected vehicle {
int diesel_petrol;
protected:
int load;
protected:
int load;
public:
voidread_data(float,float)
voidwrite_data(); };
class bus: private heavy_vehicle {
charTicket[20] ;
public:
void fetch_data(char);
voiddisplay_data(); };
};
The member function that can be accessed by an objects of bus Class is

input data(),
read _data() ,output_ data()write _data()
fetch _data()
All of these display _data()

Answer the following table

if base class access specifier is And a Base class member is Then, the derived class member access is

Private Private (i)

(ii) Private

Protected (iii)

(1) no access, (ii) Pnvate, (iii) Public
(i) no access, (ii) Private, (iii) Private
(i) no access, (ii) Public, (iii) Private
(i) no access, (ii) Public, (iii) Public

In which type of inheritance the derived class acquired all the base classes properties even though the base clause have no relationship?

Multilevel inheritance
Multiple inheritance
Hybrid inheritance
Hierarchical inheritance

The base class constructor can called by derived class? In which of the following definition.

Base class name: base class constructor( ) ;
Base class name : : base class constructor ( ) ;
Base class name; base class constructor ( );
Base class name! base class consctor ( );

When a derived class inherits from multiple base classes is known as

Multilevel
Multiple
Hierarchical
Hybrid

A class that is used to derive another class is called

sub class
super class
nested class
derived class

The size of the class without any declaration will occupy____________.
(i) The derived class inherit the properties of the base class not based on visibility mode
(ii) When derived class object created, the compiler calls the derived class constructor
(iii) When the object of a derived class expires first the base class destructor is invoked
(iv) The features of base class to be available the derived class members and also. to the outside world by using protected inheritance.

(i) false, (ii) false, (iii) false, (iv) false
(i) false, (ii) true, (iii) false, (iv) false
(i) false, (ii) false, (iii) true, (iv) false
(i) false, (ii) false, (iii) false, (iv) true

Answer the following table

if base class access specifier is And a Base class member is Then, the derived class member access is

(i) Private no acess

(ii) Public

Protected (iii)

(i) Protected, (ii) Private, (iii) Public
(i) Public, (ii) Public, (iii) Protected
(i) Public, (ii) Public, (iii) Public
(i) Public, (ii) Protected, (iii) Public

Which amongst the following is executed in the order of inheritance?

Destructor
Member function
Constructor
Object

How many types of inheritanse are there?

Part - B

Generic 2 - Answer All Question

Why derived class is called power packed class?

Write the types of Inheritance for the following statement.
(i) When a derived class inherits from many base classes.
(ii) When more than one derived classes are created from a single base class.
(iii) Multilevel +Multiple Inheritance
(iv) The transitive nature of inheritance
(v) Class student {public: int roll no;};
Class student : public student {public : int marks}; is an example of

When the constructor of base class will automatically invoked?

What is this pointer? When it is useful?

How the size of derived class object is calculated?
What is inheritance?

If a base class and a derived class each include a member function with the same name and arguments, which member function will be called by the object of the derived class if the scope resolution operator is not used?

In what multilevel and multiple inheritance differ though both contains many base class?

Write the main advantages of Inheritance (or) Why was the concept of inheritance introduced in objected oriented language?

What is a base class?

Part - C

Generic 3 - Answer All Question

In what situation shadowing base class function inderived class arises? How will you resolve the situation?

Write some facts about the execution of constructors and destructors in inheritance.

What do you mean by overriding?

Why do you need for inheritance?

What are the points to be noted while deriving a new class?
Explain the uses of private, protected and public inheritance.

Write the output of the following program.//Implementation of Single Inheritance using public
visibility mode
#include < iostream >
using namespace std;
class Shape
{
private:
int count;
protected:
int width;
int height;
public:
void setWidth(int w)
{
width=w;
}
void setHeight(int h)
{
height=h;
}
};
class Rectangle: publicShape
{
public:
int getArea()
{
return (width * height);
}
};
int main()
{
Rectangle Rect;
Rect.setWidth( 5);
Rect.setHeight(7);
II Print the area of theobject.
cour<< "Total area: "<< Rect.getArea() << endl;
return ();
}

Can a derived class get access privilege for a private member of the base class? If yes, how?

What is the difference between polymorphism and inheritance though are used for reusability of code?

Write the output of the following program.
#include< iostream >
using namespace std;
class T
{
public:
int x;
void foot()
{
x = 6; // same as this->x = 6;
this ->x = 5; // explicit use of this ->
cout<x;
}
void foo(int x) // parameter x shadows the member
with the same name
{
this->x = x; // unqualified x refers to the
parameter.'this->' required for disambiguation
cout<< endl << x <<" "<x;
}};
int main()
{
T t1,t2;
t1.foot();
t2.food();
}

Part - D

Generic 5 - Answer All Question

Write the output of the following program based on the information given below.
The student Raguram studying in class XII and his roll number is 11201 and date of birth is 14/01/2002. and he scored 100 marks in all the subjects

Suppose we have following C ++ program:
#include < iostream.h >
class A
{ public:
A() {cout<<"A";}
~A() {cout<<"~A";}
};
classB
{ public:
B () {cout<< "B";}
~B () { cout<< "~B"}
};
class C
{ public:
C() {cout << "C";}
~c () {cout <<~"C";}
private :
Ba;Ab;
};
classD
{ public:
D() {cout<<"D";}
~D() {cout<<"~D";}
};
Class E : Public C
{ public;
E() {cout<< "E";}
~E () {cout-c "~E";}
private:
Dd; Bb;
};
voidmain()
} Ee;
cout << endl;
Assuming that the program complies and runs correctly, what does it print out?

Explain the different types of inheritance.

Write the output of the. following program.
#include< iostream >
using namespace std;
class base
{
public:
base( )
{
cout<<"\nConstructor of base class ...";
}
~base( )
{
cout << "\nDestructor of base class .... ";
}
} ;
class derived:public base
{
public:
derived()
{
cout << "\nConstructor of derived ...";
}
~derived( )
{
cout << "\nDestructor of derived ...";
}
};
class derived 1 :public derived
{
public:
derived1( )
{
cout << "n\nConstructor of derivedl ...";
}
~derived 10
{
cout << "\nDestructor of derivedl ...";
}
};
. int main ()
{
derived1 x;
return 0;
}

Explain the different visibility mode through pictorial representation.

Answer the questions (i) to (iv) based on the
following code :
class Teacher
{ char TNo[5], TName [20], Dept[10];
int Workload;
protected:
float Salary ;
void AssignSal (float) ;
public:
Teacher ( );
void TEntry ( ) ;
void TDisplay ( ) ;
};
class student
{
char Admno[10], SName [20], Stream [10];
protected:
intAttendance, TotMarks;
public:
Student ( );
void SEntry ( ) ;
void SDisplay ( ) ;
};
class School: public Student, public Teacher
{
char SCode [10], SchName [20] ;
public:
School ();
void SchEntry ( ) ;
void Schfrisplay ( ) ; };
i) Which type of Inheritance is depicted by the above example?
(ii) Identify the member function(s) that cannot be called directly from the objects of class School from the following:
TEntry ()
SDisplay( )
SchEntry( )
(iii) Write name of all the member(s) accessible from member functions of class School.
(iv) If class School was derived privately from class Teacher and privately from class Student; then, name the member function(s) that could be accessed through objects of class school.
Define the constructors for the following
definitions:
class A { intX;
floaty;
public:
A (int, float);
};
class B : public A
{ public:
};

(a) Define Multilevel and Multiple inheritance in context of object Oriented Programming Code suitable example to illustrate the same.
(b) Answer the questions (i) to (iii) based on the following code:
class stationery
{
char Type ;
char manufacturer [10] ;
public:
stationery ( );
void Read_Sta_details ();
void Disp_sta_details( ) ;
};
class office: public stationery
}
int no_of types;
float cost_of_sta ;
public:
void Read_off_details( );
void Disp_off details( ) ;
};
class printer: private office
{
int no_of users ;
char delivary_date[10];
public:
void Read_pri _details( );
void Disp_pri _details( ) ;
};
voidmain()
{ printer Myprinter ;
}
(i) Mention the member names which are accessible by MyPrinter declared in main( ) function.
(ii) What is the size of Myprinter in bytes?
(iii) Mention the names of functions accessible from the member function Read yri-details ( ) of class printer.

Write the output of the following program
#include< iostream >
using namespace std;
class A
{
protected:
int x;
public:
void show()
{
cout<<"x = "< }
A()
{
cout< }
~A( )
{
cout< }
};
class B : public A
{
{
protected:
int y;
public:
B(int x, int y)
{
this->x = x; //this -> is used to denote the objects datamember
this->y = y; //this -> is used to denote the objects datamember
}
B( )
{
cout< }
~B( )
{
cout< }
void show( )
{
cout<<"x = "< cout<<"y = "< }
};
int main( )
{
A objA;
B objB(30, 20);
objB.show( );
return 0;
}

Debug the following program
Output
-------------
15
14
13
Program :
-------------
%include< iostream.h >
#include< conio.h >
Class A
{
public;
int a1,a2:a3;
Void getdata[ ]
{
a1=15;
a2=13;a3=13;
}
}
Class B:: public A( )
{
PUBLIC
voidfunc( )
{
in
t b1:b2:b3;
A::g
etdata[ ];
b1=a1;
b2=a2;
a3=a3;
co
ut< }
void main( )
{
clrscr( )
B der;
der1:func( );
getch( );
}

Comment

Add Comment

if base class access specifier is	And a Base class member is	Then, the derived class member access is
Private	Private	(i)
	(ii)	Private
	Protected	(iii)

InstaQB

Institutions

12th Standard English Medium

12th Standard Tamil Medium

11th Standard English Medium

11th Standard Tamil Medium

10th Standard English Medium

9th Standard English Medium

8th Standard English Medium

7th Standard English Medium

Class XII

Class XI

12Th Standard

11Th Standard

10Th Standard

9Th Standard

11th Computer Science Monthly Test -1 ( Inheritance )

MABS Institution

11th Computer Science Monthly Test -1 ( Inheritance )-Aug 2020

Part - A

Multiple Choice Question - Answer All Question

Answer the following table if base class access specifier is And a Base class member is Then, the derived class member access is Private Private (i) (ii) Private Protected (iii)

In which type of inheritance the derived class acquired all the base classes properties even though the base clause have no relationship?

The base class constructor can called by derived class? In which of the following definition.

When a derived class inherits from multiple base classes is known as

A class that is used to derive another class is called

Answer the following table if base class access specifier is And a Base class member is Then, the derived class member access is (i) Private no acess (ii) Public Protected (iii)

Which amongst the following is executed in the order of inheritance?

How many types of inheritanse are there?

Part - B

Generic 2 - Answer All Question

Why derived class is called power packed class?

When the constructor of base class will automatically invoked?

What is this pointer? When it is useful?

How the size of derived class object is calculated?

What is inheritance?

If a base class and a derived class each include a member function with the same name and arguments, which member function will be called by the object of the derived class if the scope resolution operator is not used?

In what multilevel and multiple inheritance differ though both contains many base class?

Write the main advantages of Inheritance (or) Why was the concept of inheritance introduced in objected oriented language?

What is a base class?

Part - C

Generic 3 - Answer All Question

In what situation shadowing base class function inderived class arises? How will you resolve the situation?

Write some facts about the execution of constructors and destructors in inheritance.

What do you mean by overriding?

Why do you need for inheritance?

What are the points to be noted while deriving a new class?

Explain the uses of private, protected and public inheritance.

Can a derived class get access privilege for a private member of the base class? If yes, how?

What is the difference between polymorphism and inheritance though are used for reusability of code?

Part - D

Generic 5 - Answer All Question

Write the output of the following program based on the information given below. The student Raguram studying in class XII and his roll number is 11201 and date of birth is 14/01/2002. and he scored 100 marks in all the subjects

Explain the different types of inheritance.

Explain the different visibility mode through pictorial representation.

Define the constructors for the following definitions: class A { intX; floaty; public: A (int, float); }; class B : public A { public: };

Comment

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Answer the following table

if base class access specifier is And a Base class member is Then, the derived class member access is

Private Private (i)

(ii) Private

Protected (iii)

Answer the following table

if base class access specifier is And a Base class member is Then, the derived class member access is

(i) Private no acess

(ii) Public

Protected (iii)

Write the output of the following program based on the information given below.
The student Raguram studying in class XII and his roll number is 11201 and date of birth is 14/01/2002. and he scored 100 marks in all the subjects

Define the constructors for the following
definitions:
class A { intX;
floaty;
public:
A (int, float);
};
class B : public A
{ public:
};