CBSE Class 12 Computer Science Weightage 2025: Unit and chapter-wise marks distribution
The chapter-wise CBSE Class 12 Computer Science Weightage 2025 is given here along with the blueprint of the paper. The marks distribution for units is official and for chapters, it is unofficial as per past papers' analysis.
CBSE Class 12 Computer Science Weightage 2025: The Central Board of Secondary Education will conduct the Class 12th Computer Science exam 2025 as an optional subject for Science stream. The CBSE Class 12 Computer Science question paper will consist of a total of 70 marks asked from 3 units. Here is the unit-wise weightage for all chapters and sections of the CBSE 12 Computer Science exam 2025. The practical examination of 30 marks will be conducted separately by the board. Hence, here is the CBSE 12th Computer Science chapter-wise marks distribution for the students' reference to help them plan their preparations properly.
CBSE Class 12 Computer Science Weightage 2025 Theory Exam
Go through the unit-wise marks distribution of CBSE Class 12 2025 Computer Science here in the given table:
| Unit Number | Unit Name | Marks |
| Unit I | Computer Systems and Organisation | 10 marks |
| Unit II | Computational Thinking and Programming - 1 | 45 marks |
| Unit III | Society, Law, and Ethics | 15 marks |
| Total | 70 marks | |
CBSE Class 12 Computer Science Blueprint 2025
Here the candidates can further check out the number of questions asked in each section of CBSE Class 12 Computer Science exam 2025:
| Sections | Total Number of Questions | Marks per Question | Total Marks |
| Section A | 18 questions | 1 mark | 18 marks |
| Section B | 7 questions | 2 marks | 14 marks |
| Section C | 5 questions | 3 marks | 15 marks |
| Section D | 3 questions | 5 marks | 15 marks |
| Section E | 2 questions | 4 marks | 8 marks |
| Total | 35 questions | --- | 70 marks |
CBSE Class 12 Computer Science Weightage 2025: Practical Exam
Here are the marks distribution for the CBSE Class 12 Computer Science practical exam for 2025.
| Unit Name | Task/Assignment | Marks |
| Lab Test | Python programming and documentation | 8 marks |
| SQL Queries (4 queries out of two tables) | 4 marks | |
| Report File | Minimum 15 Python programs SQL queries Python-SQL connectivity programs | 7 marks |
| Project | Using concepts learnt in Class 11 and 12 | 8 marks |
| Viva voce | 3 marks | |
| Total | 30 marks | |
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