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XII CBSE Previous Year Question Paper QUESTION NO 1 (C) 2 Marks.

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Presentation on theme: "XII CBSE Previous Year Question Paper QUESTION NO 1 (C) 2 Marks."— Presentation transcript:

1 XII CBSE Previous Year Question Paper QUESTION NO 1 (C) 2 Marks

2 1(c) Rewrite the following program after removing the syntactical error(s), if any. Underline each correction. Delhi 2006 2 #include void main( ) { struct STUDENT { char stu_name[20]; char stu_sex; int stu_age=17; } student; gets(stu_name); gets(stu_sex);}

3 ( c) Corrected Program: Delhi 2006 #include #include // Error 1 void main() { struct STUDENT { char stu_name[20]; char stu_sex; int stu_age; //Error 2 } student; gets(student.stu_name); //Error 3 cin>>student.stu_sex; //Error 4 student.stu_age = 17; //Ignored } ( ½ mark each for removing four errors)OR (1 Mark to be given for only identification of all the errors without rectification) Note: If student replaces gets by cin>> or cin.getline( )and does not mention then full marks to be given if other errors are corrected.

4 (c) Rewrite the following program after removing the syntactical error(s), if any. Underline each correction. OD 2006 2 #include void main() { struct movie { char movie_name[20]; char movie_type; int ticket_cost = 100 }MOVIE; gets(movie_name); gets(movie_type); }

5 (c) #include #include // Error 1 - needed for gets() void main() { struct movie { char movie_name[20]; char movie_type; int ticket_cost = 100; //Error 2 - assignment not //possible inside structure definition }MOVIE; gets(MOVIE.movie_name);//Error 3 -members must be //accessed using object cin>>MOVIE.movie_type; //Error 4 -cant use gets for //char variable and member must //be accessed using object. }

6 #include void main() { struct movie { char movie_name[20]; char movie_type; int ticket_cost = 100; //Error 1 – initialization‘ not //possible inside structure definition }MOVIE; cin.getline(MOVIE.movie_name,20);//Error 2 -members must be accessed using object cin>>MOVIE.movie_type; //Error 3 -cant use gets for //char variable and member must //be accessed using object. } (1 mark for identifying and correcting any one Error) (1 ½ mark for identifying and correcting any two errors) (2 marks for identifying and correcting more than two errors) OR (1 mark for only identifying all errors)

7 (c) Rewrite the following program after removing the syntactical error(s), if any. Underline each correction. Delhi 2007 2 #include const int Size 5; void main() { int Array[Size]; Array = {50,40,30,20,10}; for(Ctr=0; Ctr<Size; Ctr++) cout>>Array[Ctr]; }

8 (c) #include Delhi 2007 const int Size =5; void main( ) { int Array[Size]={50,40,30,20,10}; for(int Ctr=0;Ctr<Size;Ctr++) cout<<Array[Ctr]; } (½ Mark for each correction) OR (1 Mark for identifying at least three errors, without suggesting correction)

9 (c) Rewrite the following program after removing the syntactical error(s) if any. Underline each correction. OD 2007 2 # include const int Max 10; void main ( ) { int Numbers [Max]; Numbers = { 20, 50,10, 30,40 } ; for (Loc= Max-1 ; Loc > = 0 ; Loc - -) cout>>Numbers [Loc]; }

10 (c) #include OD 2007 const int Max = 10; //OR const int Max = 5; void main() { int Numbers[Max]= {20,50,10,30,40}; // OR int Numbers[]= {20,50,10,30,40}; int Loc; for(Loc=Max-1; Loc>=0; Loc—) cout<<Numbers[Loc]; } (½ Marks for each correction) OR (1 Mark for identifying at least three errors, without suggesting correction)

11 (c) Rewrite the following program after removing the syntactical error(s) if any. Underline each correction. Delhi 2008 2 #include void main ( ) { First = 10, Second = 20; Jumpto (First; Second); Jumpto (Second); } void Jumpto (int N1, int N2=20) { N1 = N1 + N2; cout >N2; }

12 #include void Jumpto(int N1, int N2=20); // Error 1 void main( ) { int First = 10, Second = 20; // Error 2 Jumpto(First, Second); // Error 3 Jumpto(Second) ; } void Jumpto(int N1, int N2=20) { N1 = N1 + N2; cout<<N1<<N2; // Error 4 }

13 OR #include void Jumpto(int N1, int N2=20) // Error 1 { N1 = N1 + N2; cout<<N1<< N2; // Error 2 } void main ( ) { int First = 10, Second = 20; // Error 3 Jumpto(First, Second); // Error 4 Jumpto (Second) ; } (½ Mark for each correction) OR (1 Mark for identifying at least three errors, without suggesting correction)

14 (c) Rewrite the following program after removing the syntax error(s), if any. Underline each correction. OD 2008 2 #include void main ( ) { One = 10, Two = 20; Callme (One;Two) ; Callme (Two) ; } void Callme (int Arg1, int Arg2=20) { 319 Arg1 = Arg1 + Arg2; cout > Arg2; }

15 #include OD 2008 void Callme (int,int Arg2=20); //Error 1 void main () { int One=10,Two=20; //Error 2 Callme(One,Two); //Error 3 Callme (Two); } void Callme (int Argl, int Arg2=20) { Argl=Argl +Arg2 ; cout<<Argl<<Arg2; //Error 4 } (½ Mark for each correction) OR (1 Mark for only identifying at least three errors, without suggesting correction)

16 (c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction. Delhi 2009 2 #include [iostream.h] #include [stdio.h] class Employee { int EmpId = 901; char EName [20] ; public Employee ( ) { } void Joining () {cin>>EmpId; gets (EName);} void List ( ) {cout<<EmpId<<“ : ”<<EName<<endl;} } ; contd…

17 void main ( ) { Employee E ; Joining.E ( ) ; E. List ( ) }

18 Ans Delhi 2009 #include class Employee { int EmpId; char EName[20]; public : Employee() {EmpId=901;} void Joining() {cin>>EmpId; gets (EName);} void List () {cout<<EmpId<<”: “<<EName<<endl;} };

19 void main () { Employee E; E.Joining (); E.List (); } (½ Mark for writing both header files inside ) (½ Mark for removing = 901 from int Empld = 901;) (½ Mark for writing: after public and; after E.List()) (½ Mark for writing E.Joining ( ); correctly) Note: ½ mark for identifying any two errors without valid correction and 1 mark for identifying all five errors without valid correction

20 (c) Rewrite the following program after removing the syntactical errors (if any).Underline each correction. Outside Delhi 2009 2 include class MyStudent { int StudentId = 1001; char Name [20] ; public MyStudent( ){ } void Register ( ) {cin>>StudentId; gets (Name) ;} void Display ( ) {cout<<StudentId<< “:” <<Name<<end1;} } ; contd...

21 void main ( ) { MyStudent MS ; Register.MS( ) ; MS.Display( ) ; }

22 Ans Outside Delhi 2009 # include class MyStudent { int StudentId; char Name[20]; public : MyStudent() {StudentId = 1001;} void Register(){ cin>>StudentId; gets (Name);} void Display () {cout«StudentId<<”:“<<Name<<endl;} };

23 void main () { MyStudent MS; MS. Register (); MS. Display () ; } (½ Mark for writing both include as #include) (½ Mark for removing = 1001 from int StudentId = 1001;) (½ Mark for writing: after public) (½ Mark for writing MS. Register ( ) ; correctly) Note: ½ mark for identifying any two errors without valid correction and 1 mark for identifying all five errors without valid correction

24 (c) Rewrite the following c++ program code after removing the syntax error(s) (if any). Underline each correction. Delhi 20102 include class TRAIN { long TrainNo; char Description[25]; public void Entry ( ) { cin >>TrainNo; gets(Description); }

25 Void Display ( ) { cout<<TrainNo<<“:”<<Description<<endl; } }; void main( ) { TRAIN T; Entry. T( ); Display. T( ); }

26 Ans. #include #include class TRAIN { long TrainNo; char Description [25]; public: void Entry () { cin>>TrainNo; gets (Description); }

27 void Display () { cout<<TrainNo<<“:”<<Description<<end1; } }; void main () { TRAIN T; T.Entry(); T.Display(); } (½ Mark for writing # before include (½ Mark for writing # include (½ Mark for writing: after public) (½ Mark for writing T.Entry(); and T.Display(); correctly)

28 (c) Rewrite the following C++ program code after removing the syntax error(s) (if any). Underline each correction. OD 2010 2 include class FLIGHT { long FlightCode; char Description[25]; public void AddInfo() { cin>>FlightCode; gets (Description) ; {

29 void ShowInfo() ( cout<<FlightCode<<“:”<<Description<<endl; } } ; void main() { FLIGHT F; AddInfo.F(); ShowInfo.F(); }

30 Ans. #include / / Error 1 #include / / Error 2 class FLIGHT { long FlightCode; char Description[25]; public : / / Error 3 void AddInfo ( ) { cin>>FlightCode; gets (Description) ; } correction)

31 void ShowInfo ( ) { cout<<FlightCode<<”:”<<Description<<endl; } } ; void main ( ) { FLIGHT F; F.AddInfo( ) ; F. ShowInfo ( ) ; / / Error 4 } (½ Mark for each correction) OR (1 mark for identifying at least three errors, without suggesting

32 (c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction. Delhi 2011 2 #include[iostream.h] typedef char Text(80) ; void main ( ) { Text T= "Indian"; int Count=strlen(T) ; cout<<T<<'has'<<Count<< 'characters' <<end1; }

33 Ans #include #include typedef char Text [80]; void main ( ) { Text T= "Indian"; int Count=str1en(T); cout<<T<< "has" <<Count<< "cbaracters"<<end1 ; } (½ Mark for writing # include (½ Mark for writing typedef char Text(80]; (½ Mark for writing "has" and "characters")

34 (c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction. OD 2011 2 include typedef char [80] String; void main ( ) { String S= "Peace"; int L=strlen(S) ; cout<<S<< 'has'<<L<< 'characters'<<end1; }

35 Ans #include #include typedef char String [80]; void main ( ) { String S = "Peace"; int L= strlen(S) ; cout<<S<< "has" << L << "characters"<<end1; } (½ Mark for writing # include (½ Mark for adding # before include (½ Mark for writing typedef char string[80];) (½ Mark for writing "has" and "characters")

36 SAMPLE PAPER 2009 SET I c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction.2 #include [iostream.h] class PAYITNOW { int Charge; PUBLIC: void Raise(){cin>>Charge;} void Show{cout<<Charge;} }; CONTD…

37 SAMPLE PAPER 2009 SET I void main() { PAYITNOW P; P.Raise(); Show(); }

38 SAMPLE PAPER 2009 SET I Answer: #include class PAYITNOW { int Charge; public: void Raise(){cin>>Charge;} void Show(){cout<<Charge;} }; CONTD…

39 SAMPLE PAPER 2009 SET I Answer: void main() { PAYITNOW P; P.Raise(); P.Show(); } (1/2 Mark for correcting each error) OR (1 Mark for identifying all the 4 errors with no correction)

40 SAMPLE PAPER 2009 SET II c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction. 2 #include struct Pixels {int Color,Style;} void ShowPoint(Pixels P) {cout<<P.Color,P.Style<<endl;} CONTD…

41 SAMPLE PAPER 2009 SET II void main() { Pixels Point1=(5,3); ShowPoint(Point1); Pixels Point2=Point1; Color.Point1+=2; ShowPoint(Point2); }

42 SAMPLE PAPER 2009 SET II #include 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; CONTD…

43 SAMPLE PAPER 2009 SET II Point1.Color+=2; ShowPoint(Point2); } (1/2 Mark for correcting each error) OR (1 Mark for identifying all the 4 errors with no correction)

44 (c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction. SP 2010 2 #include [iostream.h] class MEMBER { int Mno;float Fees; PUBLIC: void Register(){cin>>Mno>>Fees;} void Display{cout<<Mno<<" : "<<Fees<<endl;} }; CONTD….. SAMPLE PAPER 2010 SET I

45 void main() { MEMBER M; Register(); M.Display(); }

46 SAMPLE PAPER 2010 SET I (c) #include class MEMBER { int Mno;float Fees; public: void Register(){cin>>Mno>>Fees;} void Display(){cout<<Mno<<":"<<Fees<<endl;} }; CONTD….

47 SAMPLE PAPER 2010 SET I main() { MEMBER M; M.Register(); M.Display(); } ( ½ Mark each correction)

48 SAMPLE PAPER 2010 SET II (c) Rewrite the following program after removing the syntactical errors (if any). Underline each correction. SP 2010 2 #include struct Pixels { int Color,Style;} void ShowPoint(Pixels P) { cout<<P.Color,P.Style<<endl;} CONTD….

49 SAMPLE PAPER 2010 SET II void main() { Pixels Point1=(5,3); ShowPoint(Point1); Pixels Point2=Point1; Color.Point1+=2; ShowPoint(Point2); }

50 SAMPLE PAPER 2010 SET II (c) #include 2 struct Pixels { int Color,Style; }; void ShowPoint(Pixels P) { cout<<P.Color<<P.Style<<endl; } Contd…

51 SAMPLE PAPER 2010 SET II void main() { Pixels Point1={5,3}; ShowPoint(Point1); Pixels Point2=Point1; Point1.Color+=2; ShowPoint(Point2); } ( ½ Mark for each correction)

52 SAMPLE PAPER 2012 SET I

53

54 SAMPLE PAPER 2012 SET II

55

56 Outside Delhi 2012

57 THANK YOU

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