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CBSE Class 12 Pre Board 2020 : Computer Science - Prelim 2 (Delhi Public School (DPS), Jammu)

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DELHI PUBLIC SCHOOL JAMMU PRE-BOARD-II ASSIGNMENT 2019-2020 SUB: COMPUTER SCIENCE (283) Class:XII General: (i) Programming Language: C++ 1. (a) What is the difference between Object Oriented Programming and Procedural Programming? (b) Write the names of the header files to which the following belong: (i) frexp() (ii) isalnum() (c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction. #include <iostream.h> struct Pixels { int Color,Style;} void ShowPoint(Pixels P) { cout<<P.Color,P.Style<<endl;} void main() { Pixels Point1=(5,3); ShowPoint(Point1); Pixels Point2=Point1; Color.Point1+=2; ShowPoint(Point2); } (d) Find the output of the following program: #include <iostream.h> void Changethecontent(int Arr[], int Count) { for (int C=1;C<Count;C++) Arr[C-1]+=Arr[C]; } void main() { int A[]={3,4,5},B[]={10,20,30,40},C[]={900,1200}; Changethecontent(A,3); Changethecontent(B,4); Changethecontent(C,2); for (int L=0;L<3;L++) cout<<A[L]<< # ; cout<<endl; for (L=0;L<4;L++) cout<<B[L] << # ; cout<<endl; for (L=0;L<2;L++) cout<<C[L] << # ; } (e) Find the output of the following program: #include <iostream.h>

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