CBSE Class 12 Computer Science Worksheet Set 05 Solved

Class 12 Computer Science Practice Set: All Chapters

Review targeted practice sets for Class 12 Computer Science All Chapters. Built according to official educational guidelines for the 2026-27 academic year, these downloadable worksheets support daily revision and core concept reinforcement.

Download All Chapters Worksheet PDF

View or download the dedicated All Chapters practice resource below. Engaging with these objective and subjective questions daily ensures continuous academic progress and mastery of the 2026-27 curriculum.

1. Differentiate between private, protected and public visibility modes of a class with suitable example.
 
2. What do you mean by static member function? Write an example. 
 
3. What do you mean a class and an object? 
 
4. Find and write the output of the following C++ program code: Note: Assume all required header files are already being included in the program.
 
class Stock
{ long int ID;
float Rate;
int Date;
public:
void Initialize( )
{ID=1001; Rate = 200; Date = 1; }
void RegCode( long int I, float R)
{ ID = I; Rate = R; }
void Change( int New, int DT )
{ Rate+= New ; Date = DT; }
void Show( )
{ cout<< “Date:”<< Date << endl ;
cout<<< ID << “#”<< Rate << endl ;
} };
void main( )
{ Stock A,B,C,D;
A.Initialize( ) ; B.Initilalize( ) ; C.Initialize( ) ; D.Initialize( ) ;
A.RegCode(1024,150) ; B.RegCode(2015,300) ; B.Change(100,29) ;
C.Change(-20,20) ; D.Change(30,15) ; A.Show( ) ; B.Show( ); C.Show( ) ; D.Show( ) ;
}
 
5. Rewrite the following program after removing the syntactical error(s), if any. Underline each
correction.
#include[iostream.h>
Class Admission
{ int Adno ;
char name[25] ;
public
void getdata( )
{ cout<< “ Enter the admission number:”;
cin>> Adno;
cout<< “\n Enter name:” ;
gets(name) ;
}
void display( )
{ cout << “Admission number :”<< Adno;
cout<< “\nName:” <
} } ;
void main( )
{ Admission AD ;
getdata( ).AD
display( );
}
 
6. Define a class BUS in C++ with following description:
 
Private Members
A data member Busnumber of type integer
A data member Destination of type string(25 characters)
A data member Distance of type float
A data member Fuel of type float
A member function CALCFUEL() to calculate the value of Fuel as per the following
criteria
Distance                                     Fuel
<=1000                                      500
more than 1000 and <=2000       1100
more than 2000                          2200
 
Public Members
A function FEEDINFO( ) to allow user to enter values for Bus Number, Destination,
Distance & call function CALCFUEL( ) to calculate the quantity of Fuel.
A function SHOWINFO( ) to allow user to view the content of all the data members.
 
7. Write the definition of a class SQUARE in C++ with following description:
Private Members:
Sno - data member of integer type
Side - data member of float type
Area - data member of float type
 
CalcArea( ) - Member function to calculate and assign Area as side * side
Public Members:
GetValues( ) - A function to allow user to enter values of Sno and Side. Also, this
function should call CalcArea() to calculate Area
ShowArea( ) - A function to display Sno, Side and Area


Please click on below link to download CBSE Class 12 Computer Science Worksheet Set E Solved

Free study material for Computer Science

Download CBSE Practice Material: Class 12 Computer Science All Chapters

Chapter Practice Questions for Class 12 Computer Science

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Are these Computer Science Class 12 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 12 Computer Science Worksheet Set 05 Solved includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 12.

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Yes, we have provided detailed solutions for CBSE Class 12 Computer Science Worksheet Set 05 Solved to help Class 12 and follow the official CBSE marking scheme.

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Daily practice with these Computer Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 12 students get more marks in CBSE exams.

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