CBSE Class 12 Computer Science Answer Key 2026 – The CBSE Class 12 Computer Science board exam 2026 has been successfully conducted by the Central Board of Secondary Education (CBSE Board) for the academic session 2025–26. As per the official schedule, the CBSE Class 12 Computer Science Exam 2026 was held on 25 March 2026 in offline mode at various exam centres across India.
The theory exam was conducted for 70 marks, while 30 marks were allotted for practical examination, project work, and internal assessment conducted by schools. After the exam, many students start searching for the CBSE Class 12 Computer Science Answer Key 2026 to check their responses and estimate their expected board exam marks.
With the help of the Class 12 Computer Science answer key 2026, students can match their answers with the correct solutions. This helps them identify mistakes, understand correct programming concepts, and calculate their probable score before the official CBSE result is announced.
Students can also compare their responses with the CBSE Class 12 Computer Science Question Paper 2026 to understand the difficulty level of the exam. Official updates related to the answer key will be available on the CBSE website. Until then, expert-prepared answer keys can help students evaluate their performance.

CBSE Class 12 Computer Science Exam 2026 Overview
The table below provides important details about the CBSE Class 12 Computer Science Board Exam 2026.
| Particulars |
Details |
| Exam Conducting Body |
Central Board of Secondary Education (CBSE) |
| Academic Session |
2025–2026 |
| Exam Name |
CBSE Class 12 Board Exam 2026 |
| Subject |
Computer Science (CS) |
| Exam Mode |
Offline (Pen and Paper Mode) |
| Total Marks |
100 Marks (Theory + Practical) |
| Theory Exam Marks |
70 Marks |
| Practical Examination |
30 Marks (Practical + Project + Viva) |
| Exam Duration |
3 Hours |
| Question Paper Pattern |
MCQs, Short Answer Questions, Programming Questions, Case Study Questions |
| Passing Marks |
Minimum 33% in Theory and Practical Separately |
| CBSE Class 12 Computer Science Exam Date 2026 |
25 March 2026 |
| Answer Key Availability |
Available after exam (Unofficial first) |
| Official Website |
https://cbse.gov.in |
| Reference Books |
NCERT Computer Science Book and CBSE Curriculum |
CBSE Class 12 Computer Science Answer Key 2026 (All Sets) with Question Paper
The CBSE Class 12 Computer Science Question Paper 2026 PDF will be available here after the exam. Students will be able to download all sets of the question paper along with the CBSE Class 12 CS Answer Key 2026.
The following files will be available for download:
| CBSE Class 12 Computer Science Answer Key with Question Paper 2026 |
| CBSE Class 12 Computer Science Set 1 Question Paper 2026 |
Available Soon |
Available Soon |
| CBSE Class 12 Computer Science Set 2 Question Paper 2026 |
Available Soon |
Available Soon |
| CBSE Class 12 Computer Science Set 3 Question Paper 2026 |
Available Soon |
Available Soon |
Students can download different sets of the paper to understand the type of questions asked in the exam.
Do Check – CBSE Class 12 Informatics Practices Answer Key | Class 12 AI Answer Key 2026
CBSE Class 12 Computer Science Answer Key 2026 & Paper Pattern
CBSE Class 12 Computer Science Question Paper Structure
The CBSE Class 12 Computer Science question paper follows the latest exam pattern issued by CBSE. The paper checks students’ knowledge of programming, data structures, database concepts, and logical thinking.
The expected paper structure is shown below:
| Section |
Question Numbers |
Type of Questions |
Marks per Question |
Total Marks |
Internal Choice |
| A |
1–16 |
Multiple Choice Questions (MCQs) |
1 Mark Each |
16 |
No |
| B |
17–21 |
Very Short Answer Questions |
2 Marks Each |
10 |
Some Internal Choice |
| C |
22–28 |
Short Answer / Programming Questions |
3 Marks Each |
21 |
Internal Choice Available |
| D |
29–33 |
Long Answer / Coding Questions |
5 Marks Each |
25 |
Internal Choice Provided |
| E |
34–35 |
Case Study Based Questions |
4 Marks Each |
8 |
Internal Choice Available |
| Total |
35 Questions |
All Questions Compulsory |
Maximum Marks: 70 |
– |
– |
About CBSE Class 12 Computer Science Answer Key 2026
The CBSE Class 12 Computer Science Answer Key 2026 helps students verify their answers after the board exam. By checking the answer key, students can match their responses and calculate their expected marks.
The answer key is usually prepared by subject experts after analysing the official question paper. It includes correct answers for MCQs, short questions, programming questions, and case study questions. Students should carefully check coding answers because step marking may be applied.
Important Instructions for Students
- Check every question carefully using the answer key.
- Read the question properly before comparing answers.
- Verify programming logic and syntax while checking answers.
- Do not worry if a few answers are incorrect.
- Calculate marks according to the CBSE marking scheme.
Class 12 Computer Science Answer Key 2026 (All Sets)
The CBSE Class 12 Computer Science Answer Key 2026 helps students evaluate their exam performance easily.
Using the answer key, students can:
- Match their answers with correct solutions
- Check MCQ responses
- Understand programming mistakes
- Calculate expected board exam marks
- Improve conceptual understanding
The answer key will be available for all question paper sets such as Set 1, Set 2, and Set 3.
CBSE Class 12 Computer Science 2026 Exam Analysis
After the exam, students and teachers usually share feedback about the paper.
According to Students
- The paper was moderate in difficulty.
- MCQ questions were mostly direct.
- Programming questions required logical thinking.
- Database and Python questions were important.
According to Teachers
- The paper followed the CBSE syllabus properly.
- Most questions were concept-based.
- Programming questions were balanced.
- Students who practiced sample papers could perform well.
Overall, the CBSE Class 12 Computer Science Board Exam 2026 was considered balanced and fair.
How to Use the Class 12 Computer Science Answer Key 2026?
- Download the CBSE Class 12 Computer Science question paper 2026.
- Compare your answers with the answer key.
- Check each section carefully.
- Give marks according to the CBSE marking scheme.
- Add all marks to calculate your expected score.
- Analyse mistakes and improve understanding.
Conclusion
The CBSE Class 12 Computer Science Answer Key 2026 is useful for students who want to analyse their exam performance after the board exam. It helps students estimate their marks and identify mistakes before the official CBSE results are declared.
Students should remember that board exams are only a part of their academic journey. Learning programming concepts and improving logical thinking are more important for future studies and careers.
CBSE Class 12 Computer Science Answer Key 2026 FAQs
Q1. When will the CBSE Class 12 Computer Science Answer Key 2026 be released?
The unofficial answer key is usually released shortly after the exam. Official updates may later appear on the CBSE website.
Q2. Where can I download the CBSE Class 12 Computer Science Question Paper 2026?
Students can download the question paper PDF from Shiksha Nation AI-educational websites or after it is uploaded online following the exam.
Q3. Can I calculate my marks using the Computer Science answer key?
Yes, students can compare their answers with the answer key and estimate their expected marks using the CBSE marking scheme.
Q4. Will the answer key be available for all question paper sets?
Yes, answer keys are usually provided for all sets such as Set 1, Set 2, and Set 3.
Q5. Is the CBSE Class 12 Computer Science answer key official?
Initially, answer keys are prepared by subject experts. If CBSE releases an official answer key, it will be available on the official CBSE website.