CBSE Class 12 Computer Science Sample Paper 2011 Set E

1. Answer the following:

A Difference between logical and syntax error with example 

B Name the Header file that shall be needed for the following code 

      void main()

            {

                  char string[]=”Kendriya vidyalaya No 2 Ambala cantt”

                  Cout<<toupper(char(string))<<endl;

             }

C Find the syntax error(s) if any, in the following code 

            #include<iostream.h>

            void main()

              {

                    int x;

                    cin<<x;

                    for(int y=0;y<10;y++);

                    cout>>x+y;

             }

D Give the output of the following program. 

         #include<iostream.h>

         #include<conio.h>

         #include<string.h>

         void strfunc(Char *str)

           {

               Int I,j,len:

               len=strlen(str);

               for (i=0;i<len;i++)

                 {

                       for (j=0;j<=I;j++)

                      {

                           cout<<str[j];

                           cout<<endl;

                      }

                 }

           }

           void main()

            {

                   Strufunc(“Delhi”);

            }

E Write a program to accept an integer number print the reverse of the number on Screen (Note if number enter by user Iis 3456 the result is 6543) 

F Given that 

       for( k=10;k<15;k++)

        {

            if (k<=12)

            cout<<”twice k=”<<2*k<<endl<<endl;

            else

            cout<<”k=”<<k<<endl;

         }

2 Answer the following

A What is this pointer? Give one example 

B Answer the questions (i) and (ii) after going through the following class

      class Interview

        {

           int Month;

           public:

           interview(int y )(month=y;} //constructor 1

           interview(interview &t); //constructor 2

         };

(i) Create an object, such that it invokes constructor

(ii) Write complete definition for constructor

Please refer to attached file for CBSE Class 12 Computer Science Sample Paper 2011 Set E