CBSE Class 11 Computer Science Syllabus 2025–26 | NCERT
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CBSE CLASS 11 – COMPUTER SCIENCE (NCERT) | SYLLABUS 2025–26
Class: XI
Subject: Computer Science
Board: Central Board of Secondary Education (CBSE)
💻 Question Paper Pattern & Marking Scheme (CBSE 2025–26)
Annual Examination (Theory): 70 Marks
Practical / Internal Assessment: 30 Marks
Total: 100 Marks
Question Paper Structure (Theory – 70 Marks)
- Section A: Very Short Answer (VSA) / MCQs
1 mark each – fundamentals, syntax, definitions - Section B: Short Answer–I (SA-I)
2 marks each – concepts and small code snippets - Section C: Short Answer–II (SA-II)
3 marks each – logic building, tracing, short programs - Section D: Long Answer (LA)
5 marks each – problem-solving and program-based questions - Section E: Case-based / Application-based questions
4–5 marks – analytical thinking and real-life scenarios
Practical / Internal Assessment (30 Marks)
- Practical File / Program Record – 10 marks
- Practical Examination (Python programming) – 15 marks
- Viva Voce – 5 marks
Note: Practical assessment emphasizes algorithmic thinking, coding skills in Python, debugging, and logical problem-solving.
🧠 CBSE Class 11 Computer Science Syllabus (NCERT) – 2025–26
| Unit | Chapter / Unit Title | Brief Chapter Summary / Learning Outcomes |
|---|---|---|
| Unit 1 | Computer System | Introduction to computer systems, hardware components, software types, operating systems, and basic computing concepts. |
| Unit 2 | Encoding Schemes and Number Systems | Binary, octal, decimal, and hexadecimal number systems; interconversion; data representation and character encoding. |
| Unit 3 | Introduction to Python | Features of Python, interactive and script modes, tokens, variables, keywords, and basic input–output operations. |
| Unit 4 | Operators and Expressions | Arithmetic, relational, logical operators, expressions, type conversion, and operator precedence. |
| Unit 5 | Flow of Control | Conditional statements (if, if–else, elif), looping constructs (for, while), and control statements. |
| Unit 6 | Strings in Python | String creation, indexing, slicing, operators, built-in string functions, and string manipulation. |
| Unit 7 | Lists in Python | List creation, indexing, slicing, operations, built-in functions, and applications in problem-solving. |
| Unit 8 | Tuples and Dictionaries | Immutable tuples, dictionary concepts, key–value pairs, operations, and practical usage. |
| Unit 9 | Introduction to Data Handling | Concept of data, data types, basic data handling techniques, and simple problem-solving using collections. |
| Unit 10 | Basics of Algorithms and Problem Solving | Understanding algorithms, flowcharts, stepwise problem-solving, and logical thinking. |
| Unit 11 | Practical Programming | Writing, testing, and debugging Python programs using concepts learned throughout the course. |
✅ Key Highlights
- Fully aligned with NCERT textbooks and CBSE academic session 2025–26
- Strong focus on Python programming, logic development, and problem-solving
- Builds foundation for Class 12 Computer Science, competitive exams, and coding skills
🔍 Related Keyphrases
- CBSE Class 11 Computer Science Syllabus 2025–26
- NCERT Class 11 Computer Science Curriculum
- Class 11 Computer Science Python Syllabus
- CBSE Class 11 Computer Science Exam Pattern
- Class 11 Computer Science Practical Syllabus
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