Samacheer Kalvi solutions for Computer Science [English] Class 11 TN Board chapter 16 - Inheritance [Latest edition]

Which of the following is the process of creating new classes from an existing class?

Which of the following derives a class student from the base class school?

The type of inheritance that reflects the transitive nature is ______

Which visibility mode should be used when you want the features of the base class to be available to the derived class but not to the classes that are derived from the derived class?

Inheritance is a process of creating a new class from ______

A class is derived from a class which is a derived class itself, then this is referred to as ______

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

Which of the following is true with respect to inheritance?

Based on the following class declaration answer the 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;
public:
void read_data(float,float)
void write_data(); };
class bus: private heavy_vehicle {
char Ticket[20];
public:
void fetch_data(char);
void display_data(); };

Which is the base class of the class heavy_vehicle?

Based on the following class declaration answer the 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;
public:
void read_data(float,float)
void write_data(); };
class bus: private heavy_vehicle {
char Ticket[20];
public:
void fetch_data(char);
void display_data(); };

The data member can be accessed from the function displaydata().

Based on the following class declaration answer the 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;
public:
void read_data(float,float)
void write_data(); };
class bus: private heavy_vehicle {
char Ticket[20];
public:
void fetch_data(char);
void display_data(); };

The member function that can be accessed by an object of bus Class is ______

Based on the following class declaration answer the 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;
public:
void read_data(float,float)
void write_data(); };
class bus: private heavy_vehicle {
char Ticket[20];
public:
void fetch_data(char);
void display_data(); };

The member function is inherited as public by Class Bus ______

What is inheritance?

What is a base class?

Why derived class is called a power-packed class?

In what multilevel and multiple inheritances differ though both contain many base classes?

What is the difference between public and private visibility modes?

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

What is the difference between the members present in the private visibility mode and the members present in the public visibility mode?

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

What do you mean by overriding?

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

Explain the different types of inheritance?

Explain the different visibility modes through pictorial representation?

Consider the following c++ code and answer the question?

class Personal
{
int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Which type of Inheritance is shown in the program?

Consider the following c++ code and answer the question?

class Personal
{ int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Specify the visibility mode of base classes.

Consider the following c++ code and answer the question?

class Personal
{ int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Give the sequence of Constructor/Destructor Invocation when the object of class Result is created.

Consider the following c++ code and answer the question?

class Personal
{ int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Name the base class(/es) and derived class (/es).

Consider the following c++ code and answer the question?

class Personal
{ int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Give a number of bytes to be occupied by the object of the following class:

(a) Personal
(b) Marks
(c) Result

Consider the following c++ code and answer the question?

class Personal
{ int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Write the names of data members accessible from the object of class Result.

Consider the following c++ code and answer the question?

class Personal
{ int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Write the names of all member functions accessible from the object of class Result.

Consider the following c++ code and answer the question?

class Personal
{ int Class,Rno;
char Section;
protected:
char Name[20];
public:
personal();
void pentry();
void Pdisplay(); };
class Marks:private Personal
{ float M{5};
protected:
char Grade[5];
public: Marks();
void Mentry();
void Mdisplay(); };
class Result:public Marks
{
float Total,Agg;
public:
char FinalGrade, Commence[20];
Result();
void Rcalculate();
void Rdisplay();
};

Write the names of all members accessible from member functions of class Result.

Write the output of the following program.

#include<iostream>
using namespace std;
class A
{ protected:
int x;
public:
void show()
{cout<<"x = "<<x<<endl;}
A()
{ cout<<endl<<" I am class A "<<endl;}
~A()
{ cout<<endl<<" Bye ";} };
class B : public A
{protected:
int y;
public:
B(int x1, int y1)
{ x = x1;
y = y1; }
B()
{ cout<<endl<<" I am class B "<<endl; }
~B()
{ cout<<endl<<" Bye "; }
void show()
{ cout<<"x = "<<x<<endl;
cout<<"y = "<<y<<endl; } };
int main()
{A objA;
B objB(30, 20);
objB.show();
return 0; }

Debug the following 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()
{ int b1:b2:b3;
A::getdata[];
b1=a1;
b2=a2;
a3=a3;
cout<<b1<<’\t’<<b2<<’t\’<<b3; }
void main()
{ B der;
der1:func(); }