{"id":27568,"date":"2025-09-30T10:53:55","date_gmt":"2025-09-30T10:53:55","guid":{"rendered":"https:\/\/www.lawpreptutorial.com\/blog\/?page_id=27568"},"modified":"2026-04-01T12:54:33","modified_gmt":"2026-04-01T12:54:33","slug":"computer-science-syllabus","status":"publish","type":"page","link":"https:\/\/www.lawpreptutorial.com\/blog\/cbse\/class-11\/computer-science-syllabus\/","title":{"rendered":"Class 11 Computer Science Syllabus 2026-27: CBSE PDF"},"content":{"rendered":"\n

The CBSE Class 11th Computer Science syllabus is designed to build a strong foundation in programming, problem-solving, and computational thinking. With Python as the core language, the syllabus introduces students to coding concepts, data handling, Boolean logic, and computer organization. <\/p>\n\n\n\n

It also emphasizes cyber safety and the ethical use of technology, making students responsible digital citizens. The Class 11 CS syllabus 2026-27 by CBSE balances theory, practicals, and project work to ensure both conceptual clarity and hands-on skills. <\/p>\n\n\n\n

Below, we have covered the complete unit-wise syllabus, marks distribution, practical list, and preparation tips for Class 11 students.<\/p>\n\n\n\n

Class 11th Computer Science Syllabus 2026-27: Overview<\/strong><\/h2>\n\n\n\n

Find the overview of computer science chapters in Class 11th syllabus:<\/p>\n\n\n\n

Unit No.<\/strong><\/td>Unit Name<\/strong><\/td>Marks<\/strong><\/td><\/tr>
1<\/td>Computer Systems and Organization<\/td>10<\/td><\/tr>
2<\/td>Computational Thinking and Programming \u2013 1<\/td>45<\/td><\/tr>
3<\/td>Society, Law and Ethics<\/td>15<\/td><\/tr>
\u2014<\/td>Theory Total<\/td>70<\/td><\/tr>
4<\/td>Practical (Lab Work, Project, Viva, File)<\/td>30<\/td><\/tr>
\u2014<\/td>Grand Total<\/td>100<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Download Class 11 Computer Science Syllabus PDF<\/strong><\/h2>\n\n\n\n

Download the official Class 11th Computer Science Syllabus 2026-27 PDF here and keep it handy for quick reference.<\/p>\n\n\n\n

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Download Full Syllabus PDF<\/strong><\/a><\/div>\n<\/div>\n\n\n\n

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CBSE Class 11 Computer Science Syllabus 2026-27<\/strong><\/h2>\n\n\n\n

Let\u2019s go through the class 11th CS syllabus for CBSE in detail for each unit:<\/p>\n\n\n\n

Unit 1: Computer Systems and Organisation<\/strong><\/h3>\n\n\n\n

This unit in the class 11 computer science syllabus introduces students to the fundamental structure of a computer system, including hardware, software, and memory concepts. It also covers Boolean logic with truth tables and circuits, number system conversions, and encoding schemes. <\/p>\n\n\n\n

Students learn how operating systems manage tasks and provide interfaces. By mastering these concepts, learners build a solid foundation for understanding how computers process, store, and communicate information at both hardware and software levels.<\/p>\n\n\n\n

Topics<\/strong><\/td>Details<\/strong><\/td><\/tr>
Basic Computer Organisation<\/td>\u2022 Overview of computer system: hardware, software, input\/output devices, CPU, memory (primary, cache, secondary), units (bit\u2013PB).<\/td><\/tr>
Types of Software<\/td>\u2022 System software (OS, utilities, drivers) 
\u2022 Programming tools (assembler, compiler, interpreter) 
\u2022 Application software<\/td><\/tr>
Operating System<\/td>\u2022 Functions of OS
\u2022 User interface handling
\u2022 System operations<\/td><\/tr>
Boolean Logic<\/td>\u2022 Logic gates (NOT, AND, OR, NAND, NOR, XOR)
\u2022 Truth tables
\u2022 De Morgan\u2019s laws
\u2022 Logic circuits<\/td><\/tr>
Number System<\/td>\u2022 Binary
\u2022 Octal
\u2022 Decimal
\u2022 Hexadecimal systems
\u2022 inter-conversions<\/td><\/tr>
Encoding Schemes<\/td>\u2022 ASCII
\u2022 ISCII 
\u2022 Unicode (UTF-8, UTF-32).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Unit 2: Computational Thinking and Programming \u2013 I<\/strong><\/h3>\n\n\n\n

This unit in the CBSE class 11th computer science syllabus builds problem-solving and coding skills using Python. Students learn algorithm development, flowcharts, pseudocode, and debugging techniques. <\/p>\n\n\n\n

Programming topics include Python basics, variables, tokens, data types, operators, control flow, and error handling. They also explore strings, lists, tuples, and dictionaries with practical programs. <\/p>\n\n\n\n

The chapter in computer science concludes with Python modules like math, random, and statistics. It aims to strengthen logical reasoning, computational thinking, and hands-on coding abilities crucial for future programming.<\/p>\n\n\n\n

Topics<\/strong><\/td>Details<\/strong><\/td><\/tr>
Problem-Solving<\/td>\u2022 Steps: analyze, algorithm, coding, testing, debugging; flowcharts, pseudocode, decomposition.<\/td><\/tr>
Python Basics<\/td>\u2022 Python introduction
\u2022 Features of Python 
\u2022 Hello World program
\u2022 Execution modes
\u2022 Tokens
\u2022 Variables 
\u2022 l-value\/r-value 
\u2022 Comments<\/td><\/tr>
Data Types<\/td>\u2022 Numbers
\u2022 Boolean
\u2022 Sequence (string, list, tuple) 
\u2022 None
\u2022 Dictionary
\u2022 Mutable vs immutable.<\/td><\/tr>
Operators<\/td>\u2022 Arithmetic operators
\u2022 Relational operators 
\u2022 Logical operators 
\u2022 Assignment operators 
\u2022 Augmented operators 
\u2022 Identity operators 
\u2022 Membership operators<\/td><\/tr>
Expressions & I\/O<\/td>\u2022 Operator precedence, evaluation, type conversion, input\/output functions.<\/td><\/tr>
Errors<\/td>\u2022 Syntax, logical, and runtime errors.<\/td><\/tr>
Flow of Control<\/td>\u2022 Indentation, sequential, conditional, and iterative flow.<\/td><\/tr>
Conditional Statements<\/td>\u2022 if
\u2022 if-else 
\u2022 if-elif-else with programs 
\u2022 (absolute value, sorting numbers, divisibility).<\/td><\/tr>
Iterative Statements<\/td>\u2022 for, while, range(), nested loops, break\/continue, programs (patterns, factorial, summation).<\/td><\/tr>
Strings<\/td>\u2022 Operations (concatenation, slicing, repetition, membership), traversal, built-in methods.<\/td><\/tr>
Lists<\/td>\u2022 Indexing, operations, traversal, built-in functions, nested lists, programs (mean, linear search, frequency).<\/td><\/tr>
Tuples<\/td>\u2022 Indexing, operations, built-in methods, nested tuples, programs (mean, search, frequency).<\/td><\/tr>
Dictionary<\/td>\u2022 Accessing, mutability, traversal, built-in functions, programs (frequency count, employee salary).<\/td><\/tr>
Python Modules<\/td>\u2022 Importing, math (pi, sqrt, pow, sin), random (random, randint, randrange), statistics (mean, median, mode).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Unit 3: Society, Law and Ethics<\/strong><\/h3>\n\n\n\n

This unit in the class 11th computer science syllabus 2026-27 explores the ethical, social, and legal aspects of technology usage. Students learn about responsible online behavior, cyber safety, and the importance of protecting personal data. <\/p>\n\n\n\n

Topics include intellectual property rights, plagiarism, malware, cybercrime, and safe web practices. It also highlights issues like e-waste management and inclusivity in technology use. <\/p>\n\n\n\n

By studying this unit, students become responsible netizens with awareness of laws, rights, and responsibilities in the digital world.<\/p>\n\n\n\n

Topics<\/strong><\/td>Details<\/strong><\/td><\/tr>
Digital Footprints<\/td>Understanding online activities and their long-term visibility.<\/td><\/tr>
Digital Society & Netizen<\/td>Etiquettes for online communication, social media, and digital interactions.<\/td><\/tr>
Data Protection<\/td>Intellectual property rights, violations, open-source licensing (Creative Commons, GPL, Apache).<\/td><\/tr>
Cyber Crime<\/td>Hacking, phishing, ransomware, trolls, bullying, fraud emails.<\/td><\/tr>
Cyber Safety<\/td>Safe browsing, identity protection, confidentiality.<\/td><\/tr>
Malware<\/td>Types: viruses, trojans, adware.<\/td><\/tr>
E-waste Management<\/td>Proper disposal and recycling of electronic gadgets.<\/td><\/tr>
IT Act<\/td>Provisions of Information Technology Act.<\/td><\/tr>
Technology & Society<\/td>Addressing gender and disability issues in computing.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

More Important Resources for CBSE Exam<\/strong>:<\/p>\n\n\n\n

Class 11th Hornbill Syllabus<\/strong><\/a><\/td>CBSE Class 11th Commerce Subjects<\/a><\/strong><\/td><\/tr>
CBSE Full Form<\/a><\/strong><\/td>All about CBSE Class 11th<\/a><\/strong><\/td><\/tr>
Class 11th Syllabus<\/a><\/strong><\/td>Class 12th Syllabus<\/a><\/strong><\/td><\/tr>
Class 11th Commerce Books<\/a><\/strong><\/td>CBSE Board: All details<\/strong><\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

CBSE Class 11th Computer Science Syllabus: Practical & Project Work<\/strong><\/h2>\n\n\n\n

This unit in the class 11 CS syllabus 2026-27 focuses on applying theoretical knowledge through hands-on Python programming and project-based learning. Students practice problem-solving, data handling, string\/list\/tuple\/dictionary operations, and flow control. <\/p>\n\n\n\n

The practical component sharpens coding efficiency, debugging, and logical reasoning. Project work encourages creativity and real-world application of Python, while viva and records ensure conceptual clarity. <\/p>\n\n\n\n

Component<\/strong><\/td>Details<\/strong><\/td><\/tr>
Lab Assignments<\/td>Python programs based on conditionals, loops, strings, lists, tuples, and dictionaries.<\/td><\/tr>
Practical File<\/td>Minimum 20 Python programs covering the complete syllabus.<\/td><\/tr>
Project Work<\/td>One project based on real-life application of Python (e.g., student database, quiz program, sales analysis).<\/td><\/tr>
Viva Voce<\/td>Oral exam testing understanding of theory and practical implementation.<\/td><\/tr>
Suggested Practical List<\/td>Programs on absolute value, factorial, sorting numbers, frequency count in strings\/lists, mean\/maximum\/minimum of values, linear search, dictionary operations, pattern printing, series summation, and random\/statistics module usage.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Practical Marks Distribution (Total 30 Marks)<\/strong><\/p>\n\n\n\n