(Download) CBSE Class XII Computer Science Guess Paper : 2012 - Set - I (Class and Objects)
Disclaimer: This website is NOT associated with CBSE, for official website of CBSE visit - www.cbse.gov.in
CBSE - NEW DELHI
Guess Paper – 2012
Class – XII
Subject – Computer Science
Class and Object
Question1. Define a Class student with the following specification:
Private members
admno integer type
sname 20 character
eng, math,sci, total float
ctotal( ) A function to calculate the total marks with float return type.
Public members:
takedata ( ) function to reed admno, sname,eng,math, sci and invoke ctotal( ) to calculate total.
showdata ( ) to display all the data members on the screen.
Question 2. Define a class Garments in C++with the following descriptions:
Private Members:
GCode of type string
GType of type string
GSize of type integer
GFabric of type string
GPrice of type float
A function Assign( ) which calculates and assigns the value of GPrice as follows:
For the value of GFabric "COTTON",
GType GPrice(Rs)
TROUSER 1300
SHIRT 1100
For GFabric other than "COTTON" the above mentioned
GPrice gets reduced by 10%
Public Members :
A constructor to assign initial values of GCode, GType and GFabric with the
word "NOT ALLOTTED" and GSize and GPrice with o.
A function Input( ) to input the values of the data members GCode, GType,
GSize and GFabricl and invoke the Assign( ) function.
GAafrumnecntito. n Display( ) which displays the content of all the data members for a Garment
Question 3. Define a class DVD in C++ with following description :
Private members :
D Code | Integer |
Title | string |
Duration | integer |
Actor | string |
Actress | string |
Price | real number |
Public members :
Parameterized constructor to get initial values for all members.
Define copy constructor for the class.
Function INCOMP( ) to input values
Function DISPCOMP( ) to view the contents of all the data members
Question 4. Define and declare a class MYFOLDER with the following specifications:
Private Members:
Filename: An array of string of size [10][25]
Availspace: long
Usedspace: long
Public members:
newfileEntry( ): Function to read value
Retavailspace( ): Function that returns the value of total kilobytes available
Showfile(): Function to display details.
Question 5. Define a class teacher with the following specifications:
( No need to define the functions)
Private members:
name: 20 characters
sub: 10 characters
basic,da,hra: integers
salary: float
calculate(): that returns salary
public members:
readdata(): read data values
showdata(): display details
Question 6. struct date
{
int dd, mm, yy ;
};
struct doner
{
char name[20];
date dob;
};
void main( )
{
doner person;
------------------
------------------
}
How will you access the fields : name and yy of the above structure? (2)
Question 7. Define a class named Publisher in C++ with the following descriptions :
Private members
Id long
title 40 char
author 40 char
price , stockqty double
stockvalue double
valcal() A function to find price*stockqty with double as return type
Public members
· a constructor function to initialize price , stockqty and stockvalue as 0
· Enter() function to input the idnumber , title and author
· Takestock() function to increment stockqty by N(where N is passed as argument to this function) and call the function valcal() to update the stockvalue().
· sale() function to decrease the stockqty by N (where N is sale quantity passed to this function as argument) and also call the function valcal() to update the stockvalue
outdata() function to display all the data members on the screen.
Question 8. Define a class Bank to represent the bank account of a customer with the following
specification 4
Private Members:
- Name of type character array(string)
- Account_no of type long
- Type_of_account ( S for Saving Account, C for current Account) of type char
- Balance of type float
Public Members:
A constructor to initialize data members as follows
- Name NULL
- Account_no 100001
- Type_of_account ‘S’
- Balance 1000
A function NewAccount() to input the values of the data members Name, Account_no,
Type_of_account and Balance with following two conditions
· Minimum Balance for Current account is Rs.3000
· Minimum Balance for Saving account is Rs.1000
A function Deposit() to deposit money and update the Balance amount.
A function Withdrawal() to withdraw money. Money can be withdrawn if minimum
balance is as >=1000 for Saving account and >=3000 for Current account.
A function Display() which displays the contents of all the data members for a account.
Question 9. Define a class named result in C++ with the following descriptions: 4
Private members:
Rollno – integer number
Name – String of 20 characters
Subjects – an integer array to store 6 subject marks
Total – integer number
Average – float number
Public members :
¨ A constructor to initialize the values of data members.
¨ Function Get_Value ( ) to read the values for all the data members.
¨ Function Show_Value ( )to show Rollno, Name, Total and Average.
¨ Function Best_Five ( )to find the average and total marks of top 5 subject marks.
Question 10. Define a class named Football in C++ with the following descriptions: Private members:
Team_A, Team_B– Strings of 20 characters
Goal_A, Goal_B – integer numbers
Winner – String of 20 character
Public members :
¨ A constructor to initialize the values of data members.
¨ Function Get_Team( ) to read the values for all the data members.
¨ Function Show_Team( ) to show Team_A, Goal_A, Team_B, Goal_B and Winner.
¨ Function Champion( ) to assign the value of Winner based on high scoring team. If both team scored same number of goals assign “Draw”.