CBSE Class 12 Computer Science Sample Paper Set 01

1(a)  When a function is overloaded, there are multiple definitions of the functions. What makes the various definitions of the function different from each other?

(b) Which C++ header file(s) will be essentially required to run/execute the following C++ code?

void main()

{

int Rno=465;

char SName[]= “Ajay Bhaskar”;

cout<<setw(6) <<Rno<<setw(25)<<SName<<endl;

}

(c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction.

#include<iostream.h>

struct Screen

{ int C, R;}

void ShowPoint(Screen P)

{

cout<<P.C, P.R<<endl;

}

void main()

{

Screen Point1 = (5, 3);

ShowPoint(Point1);

Screen Point2= point1;

C.Point1+= 2;

Point1.R = Point1.R + 2;

}

(d) Find the output of the following program:

#include<iostream.h>

void ChangetheContent(int Arr[], int Count)

{

for(int C=0; C<Count; C++)

Arr[C]= Arr[Count – C- 1];

}

void main()

{

ChangetheContent(A,3);

ChangetheContent(B,4);

ChangetheContent(C,2);

for(int L=0; L<3; L++) cout<<A[L]<<’#’;

cout<<endl;

for(int L=0; L<4; L++) cout<<B[L]<<’#’;

cout<<endl;

for(int L=0; L<2; L++) cout<<C[L]<<’#’;

cout<<endl;

}

(e) Give the output of the following program (Assuming that all required header files are included in the program)

void main()

{

char a[]= “Exam-2011 AheAd”;

int i;

for(i=0; a[i]!= ‘\0’;i++)

{

if(a[i]>= 97 && a[i]<=122)

a[i] --;

else

if(a[i]>= ‘0’ && a[i]<= ‘9’)

a[i] = a[i -1];

else

if(a[i]>= ‘A’ && a[i]<= ‘Z’)

a[i]+ = 32;

else

a[i]= ‘#’;

}

puts(a);

}

(f)  Study the following program and select the possible output from it:

#include<iostream.h>

#include<stdlib.h>

const int LIMIT = 4;

void main()

{

randomize();

int Points;

Points= 100 + random(LIMIT);

for(int P=Points; P>=100; P--)

cout<<P<<’#’;

cout<<endl;

}

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