CBSE Guess > Papers > Important Questions > Class XII > 2009 > Computer Science > Computer Science By Mr. M. R. K
CBSE CLASS XII
Computer Science (Solved) 2008 Delhi:
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Q. 1. Name the header files that shall be needed for the following code:
void main( )
{
char String[ ] = “Peace”;
cout << setw(2)<<String ;
}
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Q. 2. Rewrite the following program after removing thesyntactical error(s)if any. Underline each correction.
#include<iostream.h>
void main( )
{
First = 10, Second = 20;
Jumpto(First;Second);
Jumpto(Second);
}
void Jumpto(int N1, int N2 = 20)
{
N1=N1+N2;
count<<N1>>N2;
}
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Q. 3. Find the output of the following program;
#include<iostream.h>
#include<ctype.h>
void main( )
{
char Text[ ] = “Mind@work!”;
for(int I=0; Text[I]!=’\0’;I++)
{
if(!isalpha(Text[I]))
Text[I]=’*’;
else if(isupper(Text[I]))
Text[I]=Text[I]+1;
else
Text[I] = Text[I+1];
}
cout<<Text;
}
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Q. 4. Find the output of the following program:
#include<iostream.h>
void main( )
{
int U=10,V=20;
for(int I=1;I<=2;I++)
{
cout<<”[1]”<<U++<<”&”<<V – 5 <<endl;
cout<<”[2]”<<++V<<”&”<<U + 2 <<endl;
}
}
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Q. 5. In the following program, find the correct possible output(s) from the options:2
#include<stdlib.h>
#include<iostream.h>
void main( )
{
randomize( );
char City[ ][10]={“DEL”,”CHN”,”KOL”,”BOM”,”BNG”};
int Fly;
for(int I=0; I<3;I++)
{
Fly=random(2) + 1;
cout<<City[Fly]<<”:”;
}
}
Outputs:
- DEL : CHN : KOL:
- CHN: KOL : CHN:
- KOL : BOM : BNG:
- KOL : CHN : KOL:
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Paper By Mr. MRK
Email Id - [email protected]
