CBSE Computer Science - Revision Tour(Solved)
CBSE Guess > eBooks > Class XII > CBSE Computer Science inheritane Solved Revision Tour By Mr. Ravi Kiran
COMPUTER SCIENCE INHERITANCE
2.d) Answer the questions (i) to(iv) based on the following code.
class stationary
{ char Type;
char Manufacture[10];
public:
stationary( );
void Read_sta_details( );
void Disp_sta_details( );
};
class office:public stationary
{ 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 delivery_date[10];
public:
void Read_pri_details( );
void Disp_pri_details( );
};
void main( )
{ printer MyPrinter;
}
(i) Mention the member names which are accessible by MyPrinter declared in main() function.
Ans:
printer::Read_pri_details( );
printer::Disp_pri_details( );
(ii) What is the size of MyPrinter in bytes?
Ans: 29 Bytes
(iii) Mention the names of functions accessible from the member function Read_pri_details() of class printer.
Ans:
stationary::Read_sta_details( )
stationary::Disp_sta_details( )
office::Read_off_details( )
office::Disp_off_details( )
printer::Disp_pri_details( )
OUT SIDE DELHI 2006:
2.d) Answer the questions (i) to(iv) based on the following code:
4
class furniture
{ char Type;
char Mode[10];
public:
furniture( );
void Read_fur_details();
void Disp_fur_details();
};
class sofa:public furniture
{ int no_of_seats;
float cost_sofa;
public:
void Read_sofa_details();
void Disp_sofa_details();
};
class office:public sofa
{ int no_of_pieces;
char delivery_date[10];
public:
void Read_office_details();
void Didp_office_details();
};
void main()
{
office MyFurniture;
}
(i) Mention the member names which
accessible by Myfurniture declared in main()
function.
Ans:
Data Members: No data member can be called from Myfurniture object. Member Functions:
Furniture::Read_fur_details()
Furniture::Disp_fur_details()
Sofa::Read_sofa_details()
Sofa::Disp_sofa_details()
Office::Read_office_details()
Office::Didp_office_details()
(ii) what is the size of Myfurniture in bytes?
Ans: 29 Bytes
(iii) Mention the names of functions accessible
from the member function
Read_office_details() of class office.
Ans:
Furniture::Read_fur_details( )
Furniture::Disp_fur_details( )
Sofa::Read_sofa_details( )
Sofa::Disp_sofa_details( )
Office::Disp_office_details( )
CBSE Computer Science Solved Revision Tour By Mr. Ravi Kiran ( [email protected] )
