CBSE Class 12 Computer Science Question Paper 2020 Set 02

Computer Science
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Find CBSE Class 12 Computer Science Question Paper 2020 Set 02 right below. We provide standard Class 12 Computer Science previous year question papers packed with detailed solutions for the 2026-27 term, following guidelines set by CBSE, NCERT, and KVS. Practice these tests to build confidence and score better marks.

Previous Year Papers: Class 12 Computer Science (CBSE)

Check out these Class 12 Computer Science question papers to get familiar with actual test rules and scoring systems. Solving these papers regularly sharpens your time management and problem-solving accuracy. Access the complete CBSE Class 12 Computer Science Question Paper 2020 Set 02 to practice at home.

Download Class 12 Computer Science Exam Paper with Answers

CBSE Class 12 Computer Science Question Paper 2020 Set B. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.
 
1. (a) Find the correct identifiers out of the following, which can be used for naming variable, constants or functions in a C++ program : 
              While, for, Float, new, 2ndName, A%B, Amount2, _Counter
(b) Observe the following program very carefully and write the names of those header file(s), which are essentially needed to compile and execute the following program successfully :
typedef char TEXT[80];
void main()
{ TEXT Str[] = “Peace is supreme”;             int Index=0;
while (Str[Index]!=’\0’)
if (isupper(Str[Index]))
Str[Index++]=’#’;
else
Str[Index++]=’*’;
puts(Str); }
(c) Observe the following C++ code very carefully and rewrite it after removing any/all syntactical errors with each correction underlined. 
Note : Assume all required header files are already being included in the program.
#Define float Max=70.0;
Void main()
{
int Speed            char Stop=’N’;            cin>>Speed;
if Speed>Max
Stop=’Y’;
cout<<Stop<<end; }
(d) Write the output of the following C++ program code : 
Note : Assume all required header files are already being included in the program.
void Position(int &C1,int C2=3)
{
C1+=2;
C2+=Y;
}
void main()
{
int P1=20, P2=4;
Position(P1);
cout<<P1<<”,”<<P2<<end1;
Position(P2,P1);
cout<<P1<<”,”<<P2<<end1;
}
(e) Write the output of the following C++ program code : 
Note : Assume all required header files are already being included in the program.
class Calc
{
 
Please click the link below to download pdf file of CBSE Class 12 Computer Science Question Paper 2020 Set B
 

Free study material for Computer Science

Past Exam Papers & Solutions for Class 12 Computer Science

Last 10 Years Question Papers for Class 12 Computer Science

Reviewing the CBSE Class 12 Computer Science Question Paper 2020 Set 02 listed above allows Class 12 students to master historical exam patterns. Download these past papers for Class 12 Computer Science instantly in PDF format for the last 10 years. Practicing these authentic questions provides clear insight into marking difficulties and topic distributions, ensuring confidence across all descriptive and MCQ evaluations.

Exam Structure & Time Management for Computer Science

Regularly practicing CBSE Class 12 Computer Science Question Paper 2020 Set 02 is the best way to improve your score in Class 12 Computer Science. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Computer Science paper within the allowed duration.

Offline Revision & Comprehensive Study Material

Downloading the CBSE Class 12 Computer Science Question Paper 2020 Set 02 ensures you can revise offline without requiring constant internet access. These curated collections provide excellent practice for numerical challenges and standard answer formatting. Following your practice, compare results with professional teacher solutions alongside our recommended Class 12 Computer Science sample papers and MCQ assessments for thorough revision.

FAQs

Where can I download the official PDF for CBSE Class 12 Computer Science Question Paper 2020 Set 02?

The CBSE Class 12 Computer Science Question Paper 2020 Set 02 is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 12 Computer Science Question Paper 2020 Set 02 based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 12 Computer Science Question Paper 2020 Set 02 are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Computer Science.

How does solving CBSE Class 12 Computer Science Question Paper 2020 Set 02 help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 12 Computer Science Question Paper 2020 Set 02 is important to understand repeat themes and question difficulty levels of Computer Science. It helps Class 12 students to test their time management skills too.

Can I access CBSE Class 12 Computer Science Question Paper 2020 Set 02 in different languages?

Yes, where applicable, CBSE Class 12 Computer Science Question Paper 2020 Set 02 is available in both English and Hindi mediums. All students from Class 12 can access Computer Science study material in their preferred language.

Is there a charge to download the CBSE Class 12 Computer Science solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 12 Computer Science Question Paper 2020 Set 02, are provided free of charge in mobile-friendly PDF.