# CBSE Class 11 Computer Revision Worksheet Set B

CBSE Class 11 Computer Worksheet - Revision (2)

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ASSIGNMENT FOR THE SESSION 2013-2014

Class: XI Subject : Computer Science Assignment No. 3

1. Find error in the following program and give the suitable reason for the same

#include<iostream.h> 3

void main( )

{

int x=10;

char *p=&x;

p=p*2;

int *ptr=&p;

cout<,**p;

exit;

}

2 a) Find the output of the following program? 3

#include<iostream.h>

int & max( int &x, int &y)

{

if (x> y )

return x ;

else

return y;

}

void main( )

{

int a=10, b=20;

max(a,b)= -1 ;

cout<< a<< “ “<<b<<" ";

max(b,a) =7 ;

cout<< a++<< “ “<< b- -<<" ";

max(a,b) =3 ;

cout<< a<< “ “<<b<<" " ;

}

b) Find the output of the following program: 2

#include<iostream.h>

#include<string.h>

#include<ctype.h>

void convert(char str[],int len)

{

for(int c=0;c<len;c++)

{

if (isupper(str[c]))

str[c]=tolower(str[c]);

else if (islower(str[c]))

str[c]=toupper(str[c]);

else if (isdigit(str[c]))

str[c]=str[c]+1;

else str[c]=’*’;

}

}

void main()

{

char text[]=”MONDAY Test 2010”;

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