CBSE Class 11 Computer Science Deleted Syllabus: Download PDF

Abhishek Joshi,

Jan 30, 2026 | 12:15 PM IST

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Check the CBSE class 11 computer science deleted syllabus 2025-26 and review chapter-wise topics under three units. Get the updated syllabus for computer science and start preparing for the exam accordingly.

CBSE Class 11 Computer Science Deleted Syllabus: Download PDF

Table of Contents

The Central Board of Secondary Education (CBSE) has released the CBSE class 11 computer science deleted syllabus 2025-26. The topics removed as per the revised syllabus include encoding schemes, the concept of cloud computing and cloud services, cloud (public/private), blockchain technology, decomposition, and sorting algorithms. The latest syllabus does not contain units such as Computer Systems & Organisation, Society, Law, & Ethics, etc. 

You must be familiarisedwith the CBSE class 11 computer science deleted syllabus 2025-26, as it will help you focus on only relevant chapters. The CBSE 11th Computer Science Syllabus 2025-26 consists of a total of three units. Read on to learn more about the CBSE 11th computer science revised syllabus.

CBSE Class 11 Syllabus  CBSE Class 11th Blueprint

Updated CBSE Class 11 Computer Science Syllabus 2025-26

You must know the updated syllabus after the revisions made as per the CBSE class 11 computer science deleted syllabus 2025-26. The link below includes important topics, chapters, and units that you must follow. 

CBSE Class 11th Computer Science Syllabus 2025-26
Particulars PDF Link
CBSE Class 11 Computer Science Syllabus 2025-26 Download Now

CBSE Class 11 Computer Science Deleted Syllabus 2025-26

These are the CBSE class 11 computer science deleted syllabus 2025-26 for some topics:

CBSE Class 11 Computer Science Deleted Syllabus 2025-26
Unit Number Unit Name Deleted Portion
I Computer System and Organisation
  • Encoding Schemes: UTF8, UTF32  
  • Concept of cloud computing and cloud services (SaaS, IaaS, PaaS), cloud (public/private),  Blockchain technology  
II Computational Thinking and Programming -1 
  • Decomposition – concept, need for decomposing a problem, examples of problem-solving using decomposition.  
  • Sorting algorithm: bubble and insertion sort; count the number of operations while sorting. 

CBSE Class 11 Computer Science Syllabus 2025-26 (Theory)

The CBSE Board has updated the CBSE class 11 syllabus for Computer Science for the academic year 2025-26. Tabulated below is the CBSE class 11 Computer Science syllabus for the theory examination. Class 11 Computer Science consists of three units, and the syllabus is worth 70 marks, whereas 30 marks are reserved for the practical component. 

CBSE Class 11th 2025-26 Computer Science Syllabus For Theory
Unit Unit Name Section
I Computer Systems and Organisation Basic Computer Organisation
  • Types of Software
  • Operating System
  • Boolean Logic
  • Number System
  • Encoding Schemes
II Computational Thinking and Programming -1 Introduction to Problem-Solving
  • Familiarisation with the Basics of Python Programming
  • Knowledge of Data Types
  • Operators
  • Expressions, Statements, Type Conversion, and Input/output
  • Errors
  • Flow of Control
  • Conditional Statements
  • Iterative Statement
  • Strings
  • Lists
  • Tuples
  • Dictionary
  • Introduction to Python Modules
III Society, Law, and Ethics Digital Footprints
  • Digital Society and Netizens
  • Data Protection
  • Cyber Crime
  • Cyber Safety
  • Malware
  • E-waste management
  • Information Technology Act (IT Act)
  • Technology and Society

CBSE Class 11 Computer Science Syllabus 2025-26 (Practical)

Refer to the table below to learn more about the practical syllabus for the CBSE class 11 Computer Science for the academic year 2025-26. 

CBSE 11th 2025-26 Computer Science Syllabus For Practical
Unit Name Marks
Python program (60% logic + 20% documentation + 20% code quality) 12
Report file: Minimum 20 Python programs 7
Viva Voce 3
Project (that uses most of the concepts that have been learned) 8
Total  30

Reason Behind CBSE Class 11 Computer Science Deleted Syllabus 2025-26

The CBSE class 11 computer science deleted syllabus 2025-26 will revise the difficulty level of the syllabus. Some of the other reasons are:

  • The CBSE class 11 computer science deleted syllabus 2025-26 will help you focus more on the important topics. 
  • The syllabus structure becomes more flexible with the help of the CBSE Class 11 Computer Science Deleted Syllabus 2025-26, which will help you score higher marks. 
  • The rationalisation of the syllabus will impart a self-learning culture and reduce the need for tutors and peers. 
  • The CBSE board wants the syllabus for class 11 to strengthen the core foundations of the subject.

Benefits of CBSE Class 11 Computer Science Deleted Syllabus 2025-26

With the reduction in the CBSE class 11 computer science deleted syllabus 2025-26, you will benefit in the following ways. 

  • The revised syllabus will help you easily understand their topics and chapters. 
  • The revised syllabus has a flexible structure that promotes and enhances your understanding level. 
  • Your productivity is bound to increase due to the reduction through CBSE class 11 computer science deleted syllabus 2025-26.

FAQs

Q: How many units are in the CBSE class 11 computer science syllabus 2025-26?

Q: What is the CBSE class 11 computer science deleted syllabus 2025-26?

Q: Which unit holds more marks in the CBSE class 11 computer science syllabus for the academic year 2025-26?

Q: How many marks are allotted for the practical CBSE Class 11 computer science syllabus 2026-26?

Q: Is there a reduction in the CBSE class 11 syllabus for other subjects?

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