SET-4

Series : SGN/C

Code No. 91

Roll No.

Candidates must write the Code on

the title page of the answer-book.

Please check that this question paper contains 16 printed pages.

Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.

• Please check that this question paper contains 7 questions.
• Please write down the Serial Number of the question before attempting it.

• 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.

COMPUTER SCIENCE

Time allowed: 3 hours

Maximum marks: 70

General Instructions:

(i) SECTION A refers to programming language C++.

1. SECTION B refers to programming language Python.
2. SECTION C is compulsory for all.
3. Answer either SECTION A or SECTION B.
4. It is compulsory to mention on the page 1 in the answer book whether you are attempting SECTION A or SECTION B.
5. All questions are compulsory within each section.

SECTION - A

(Only for Candidates, who opted for C++)

1. (a) Write the type of C++ tokens (keywords and user-defined identifiers) from the

following: 2

1. Struct (ii) return (iii) else (iv) stack

91 C/1 1

1. The following C++ code during compilation reports errors as follows: 1 Error: 'ofstream' not declared Error: 'strcpy' not declared Error: 'streat' not declared Error: 'F' not declared Write the names of the correct header files, which must be included to compile the code successfully: void main() { ofstream F("WELCOME.TXT"); char Word1[]="WELCOME"; char Word2[]="C++"; char Word[40]; strcpy(Word, Word1); strcat(Word, Word2); F<<Word<<end1; }
2. Rewrite the following C++ code after removing any/all syntactical errors with each

correction underlined. 2

Note: Assume all required header files are already included in the program. Typedef Number int; void main() Number N; cout<<"Enter an integer";</pre> <math>cin>>N</math>; for (I = 1; I<=N; I++) cout<< N "*" I <<endl;

1. Find and write the output of the following C++ program code : 3 Note: Assume all required header files are already included in the program. void Turn(int &K, int Count=2) { Count=(Count%2==0) ?Count+1:Count-1; for(int I=1; I<=Count; I++)</pre> <math>K+=I</math>; } void main() int N=10,M=5; Turn (N, M); cout<<N<<"#"<<M<<endl; <math>M--;</math> Turn(N,M); cout<<N<<"#"<<M<<endl; Turn(N); cout<<N<<"#"<<M<<end1; }

91 C/1 2