The Computer Science paper is a major subject for many students. The Central Board of Secondary Education (CBSE) will conduct the class 12 computer science exam on March 25, 2026. After the exam, candidates are eager to check the CBSE Class 12 Computer Science answer key 2026 to estimate their marks.
Students are advised to arrive 30–45 minutes early to complete entry formalities. They must follow all instructions given by invigilators and avoid carrying any unauthorised items to the exam hall.
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The CBSE does not release the answer key on its official website, but unofficial answer keys are released by various online portals. This article provides all the necessary details regarding the Class 12 Computer Science answer key 2026. It covers steps to download, marking schemes, and score calculation methods.
Since the CBSE board does not release the Class 12th Computer Science answer key, there are various online portals that provide an unofficial answer key. These unofficial solutions help students estimate probable scores before the final CBSE Class 12 result. Students are advised to follow the link below to get the answer key:
| Subject | Link |
|---|---|
Computer Science answer key PDF | Download here |
The answer key allows students to predict marks before the final results. Follow these steps for accurate calculation:
Match Answers: Compare the responses marked in the exam with the correct answers in the key.
Award Marks: Add marks for every correct answer according to the question weightage (1 mark, 2 marks, etc.)
No Negative Marking: CBSE does not deduct marks for incorrect answers in board exams.
Total Score: Calculate the total to get the estimated theory score out of 70.
The Computer Science paper consists of theory and practical components. The theory paper holds 70 marks, and the practical exam holds 30 marks. Understanding the CBSE Class 12 Computer Science syllabus and marks distribution helps students in calculating the final score.
The CBSE Class 12 question paper is divided into five sections:
| Section | Number of Questions | Marks Per Question |
|---|---|---|
Section A | 21 | 1 mark |
Section B | 7 | 2 marks |
Section C | 3 | 3 marks |
Section D | 4 | 4 marks |
Section E | 2 | 5 marks |
Total | 80 marks |
Frequently Asked Questions (FAQs)
The CBSE board does not release the official answer key on its official website.
No, there is no negative marking for incorrect answers.
For CBSE Class 12 exam, students must secure at least 33% marks in Computer Science.
On Question asked by student community
Hi Jatin!
Given below is the link to access CBSE Class 12 English Previous Year Questions:
https://school.careers360.com/download/ebooks/cbse-class-12-english-previous-year-question-papers
For subjectwise previous year question papers, you might find this link useful:
https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12
Dear Student,
If you have 6 subjects with Hindi as an additional subject and you have failed in one compartment subject, your additional subject which is Hindi can be considered pass in the board examination.
Hi,
The CBSE Class 10 Computer Applications exam (Set-1) was conducted on 27 February 2026 from 10:30 AM to 12:30 PM as part of the CBSE board exams. The paper included MCQs, very short answer questions, short answers, long answers, and case-study questions based on topics like HTML, networking, internet
You can check this link:
https://school.careers360.com/boards/cbse/cbse-safal-question-paper-2025-26
Dear Student,
Please go through the link to check 12th CBSE Chemistry question paper: https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12-chemistry
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