CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved

Read and download PDF of CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Computer Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Computer Science Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Computer Science Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Computer Science Pdf

Students can refer to the below Class 12 Computer Science Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved

Computer Science Class 12 Sample Paper

CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved. CBSE has recently released the class 12 sample papers for subject  Computer Science Old. These suggested sample papers are released every year by CBSE ahead of the class 12 board exams so that the students can understand the pattern of question paper and type of questions which is expected to come in the Class 12 board exams. Students can refer to the attached question paper along with marking scheme to understand what they can expect in the board exams in 2020. Its always better to solve the question paper first and then refer to provided answers.

 
1 (a) Write the type of C++ Operators (Arithmetic, Logical, and Relational
Operators) from thefollowing:
(i) !(ii) !=(iii) &&(iv) %
(b) Observe the following program very carefully and write the name of those header file(s), which are essentially needed to compile and execute thefollowing program successfully:
void main()
{
char text[20], newText[20];
gets(text);
strcpy(newText,text);
for(int i=0;i<strlen(text);i++)
if(text[i] = =’A’)
text[i] = text[i]+2;
puts(text);
}
(1)
(c) Rewrite the following C++ code after removing any/all Syntactical Error(s) with each correction underlined.
 
Note: Assume all required header files are already being included in the program.

#define float PI 3.14
void main( )
{
float R=4.5,H=1.5;
A=2*PI*R*H + 2*PIpow(R,2);
cout<<‘Area=’<<A<<endl;
}
(d) Find and write the output of the following C++ program code:
 
Note: Assume all required header files are already being included in the program.
void main( )
{
int Ar[ ] = { 6 , 3 , 8 , 10 , 4 , 6 , 7} ;
int *Ptr = Ar , I ;
cout<<++*Ptr++ << '@' ;
I = Ar[3] - Ar[2] ;
cout<<++*(Ptr+I)<<'@'<<"\n" ;
cout<<++I + *Ptr++ << '@' ;
cout<<*Ptr++ <<'@'<< '\n' ;
for( ; I >=0 ; I -=2)
cout<<Ar[I] << '@' ;
}

Please refer to link below to download CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved

CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved

We hope you liked the above provided CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to understand the way sample Paper are set by teachers. Students can download the Sample Paper for Class 12 Computer Science which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. By doing CBSE Class 12 Computer Science Old Boards 2020 Sample Paper Solved you will understand the regular questions and MCQ questions for Class 12 Computer Science which are always asked. You can download CBSE Class 12 Computer Science Sample Paper and Class 12 Computer Science Question Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Computer Science MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.

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