CBSE Class 11 Computer Science (C++) Syllabus - Free PDF Download
CBSE Syllabus 2025-26 Class 11: The CBSE Class 11 Computer Science (C++) Syllabus for the examination year 2025-26 has been released by the Central Board of Secondary Education, CBSE. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2025-26 CBSE Class 11 Computer Science (C++) Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new CBSE syllabus to prepare for their annual exam properly.
The detailed CBSE Class 11 Computer Science (C++) Syllabus for 2025-26 is below.
Academic year:
CBSE Class 11 Computer Science (C++) Revised Syllabus
CBSE Class 11 Computer Science (C++) and their Unit wise marks distribution
CBSE Class 11 Computer Science (C++) Course Structure 2025-26 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| 100 | Computer Fundamentals | |
| 200 | Programming Methodology | |
| 300 | Introduction to C++ | |
| 400 | Programming in C++ | |
| Total | - |
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Syllabus
100 Computer Fundamentals
- Classification of Computers
- Basics of Computer and Its Operation
- Functional Components and Their Interconnections
- Concept of Booting
- Types of Software - System Software, Utility Software and Application Software
- Introduction to Operating System (OS)
- Compiler
- Interpreter and Assembler
- Need for Operating System
- Functions of Operating System
- Process Management
- Memory Management
- File Management
- Device Management
- Types of Operating System - Interactive (Gui Based), Time Sharing, Real Time and Distributed
- Single User Operating Systems
- Multi-user Operating Systems
- Commonly Used Operating System - UNIX, LINUX, Windows, Solaris, BOSS (Bharat Operating System Solutions)
- Mobile OS - Android, Symbian, IOS
- Anti Virus
- File Management Tools
- Compression Tools
- Disk Management Tools - Disk Cleanup, Disk Defragmenter, Backup
- Open Source Software
- Freeware
- Shareware
- Proprietary Software
- Office Tools - Word Processor, Presentation Tool, Spreadsheet Package, Database Management System
- Domain Specific Tools - School Management System, Inventory Management System, Payroll System, Financial Accounting, Hotel Management, Reservation System and Weather Forecasting System
- Number System - Binary, Octal, Decimal, Hexadecimal and Conversion Between Different Number Systems
- Internal Storage Encoding of Characters - ASCII, ISCII (Indian Scripts Standard Code for Information Interchange), and UNICODE (For Multilingual Computing)
- Microprocessor - Basic Concepts, Clock Speed (MHz, GHz), 16 Bit, 32 Bit, 64 Bit, 128 Bit Processors
- Types of Microprocessors - CISC Processors (Complex Instruction Set Computing)
- Types of Microprocessors - RISC Processors (Reduced Instruction Set Computing)
- Types of Microprocessors - EPIC (Explicitly Parallel Instruction Computing)
- Memory Concepts - Units (Byte, Kilo Byte, Mega Byte, Giga Byte, Tera Byte, Peta Byte, Exa Byte, Zetta Byte, Yotta Byte)
- Types of Computer Memory
- Primary Memory
- Random Access Memory (RAM) :
(i) Static Random Access Memory (SRAM)
(ii) Dynamic Random Access Memory (DRAM) - Read-Only Memory (ROM) :
(i) PROM (Programmable read-only memory)
(ii) EPROM (Erasable Programmable read-only memory)
(iii) EEPROM (Electrically erasable programmable read-only memory)
(iv) MROM (Mask ROM)
- Random Access Memory (RAM) :
- Secondary Memory Unit (Secondary Storage Devices)
- Hard Disk
- Compact Disc (CD)
- Digital Versatile Disc (DVD)
- Pen/ Flash Memory Devices
- Blu-Ray Disc
- Memory Stick
- Primary Memory
- Input Output Ports/ Connections - Serial, Parallel and Universal Serial Bus, PS-2 Port, Infrared Port, Bluetooth, Firewire
200 Programming Methodology
- Modular Approach
- Clarity and Simplicity of Expressions
- Use of Proper Names for Identifiers, Comments, Indentation
- Documentation and Program Maintenance
- Running and Debugging Programs
- Syntax Errors
- Run-Time Errors
- Logical Errors
- Understanding of the Problem
- Solution for the Problem
- Identifying Minimum Number of Inputs Required for Output
- Writing Code to Optimizing Execution Time and Memory Storage
- Step by Step Solution for the Problem
- Breaking Down Solution into Simple Steps (Modular Approach)
- Identification of Arithmetic and Logical Operations Required for Solution
- Control Structure - Conditional Control and Looping (Finite and Infinite)
- Problem Solving - Introduction to Algorithms/Flowcharts
300 Introduction to C++
- C++ Character Set
- C++ Tokens (Identifiers, Keywords, Constants, Operators)
- Structure of a C++ Program (Include Files, Main Function)
- Header Files - Iostream.h, Iomanip.h
- Cout
- Cin
- Use of I/O Operators (<<and>>)
- Use of endl and setw()
- Cascading of I/O Operators
- Compilation
- Error Messages
- Use of Editor
- Basic Commands of Editor
- Linking and Execution
- Data Types
- Introduction of Data Types
- Primitive Data Types
- Non-Primitive Data Types
- Variables and Constants
- C++ Data Types
- Constants - Integer Constants, Character Constants (- \n, \t, \b), Floating Point Constants, String Constants
- Access Modifier - Const
- Variables of Built-in-data Types
- Declaration of Variables
- Initialization of variables
- Dynamic Initialization
- The Access modifier const
- References
- Declaration/Initialization of Variables
- Assignment Statement
- Type Modifier - Signed, Unsigned, Long
- Operators in Python
- Operators - Arithmetic Operators (-,+,*,/,%)
- Relational Operator (>,>=,<=,=,!=)
- Logical Operators (!,&&,||)
- Assignment Operator (=)
- C++ Shorthands (+=, -=,*=,/=,%=), Unary Operators (-), Increment (++), Decrement (--) Operators
- Conditional Operator:- <condition>?<if—true>:<if false>
- Precedence of Operators
- Type Conversion in Expressions
- Type Casting
400 Programming in C++
- Conditional Statements - If Else, Nested If, Switch..Case..Default, Use of Conditional Operator
- Nested Switch..Case
- Break Statement (To Be Used in Switch..Case Only)
- Loops - While, Do – While, for and Nested Loops
- Standard Input/Output Functions [stdio.h] gets(), puts()
- Character Functions [ctype.h] isalnum(), isalpha(), isdigit(), islower(), isupper(), tolower(), toupper()
- String Function [string.h] strcpy(), strcat(), strlen(), strcmp(), strcmpi(), strrev(), strupr(), strlwr()
- Mathematical Functions [math.h] fabs(), pow(), sqrt(), sin(), cos(), abs()
- Defining a Function
- Function Prototype
- Invoking/Calling a Function
- Passing Arguments to Function
- Specifying Argument Data Types
- Default Argument
- Constant Argument
- Call by Value
- Call by Reference
- Returning Values from a Function
- Calling Functions with Arrays
- Scope Rules of Variables - Local and Global Variables
- Introduction
- Local Scope
- Function Scope
- File Scope
- Class Scope
- Scope resolution operator
- Relating to Parameters and Return Type Concepts in Built-in Functions
- Arrays - Introduction to Array and Its Advantages
- One Dimensional Array:- Declaration/Initialization of One-dimensional Array
- One Dimensional Array:- Accepting Array Elements
- One Dimensional Array:- Accessing Array Elements
- One Dimensional Array:- Manipulation of Array Elements (Sum of Elements, Product of Elements, Average of Elements, Linear Search, Finding Maximum/Minimum Value)
- Declaration/Initialization of a String
- String Manipulations (Counting Vowels/ Consonants/ Digits/ Special Characters, Case Conversion, Reversing a String, Reversing Each Word of a String)
- Two-dimensional Array:- Declaration/Initialization of a Two-dimensional Array
- Two-dimensional Array:- Inputting Array Elements
- Two-dimensional Array:- Accessing Array Elements
- Two-dimensional Array:- Manipulation of Array Elements (Sum of Row Element, Column Elements, Diagonal Elements, Finding Maximum / Minimum Values)
- Introduction to User Defined Data Types
- Structure:- Defining a Structure (Keyword Structure)
- Structure:- Declaring Structure Variables
- Structure:- Accessing Structure Elements
- Structure:- Passing Structure to Functions as Value and Reference, Argument/Parameter,
- Structure:- Function Returning Structure
- Structure:- Array of Structure
- Structure:- Passing an Array of Structure as an Argument/ a Parameter to a Function
- Defining a Symbol Name Using Typedef Keyword and Defining a Macro Using #Define Preprocessor Directive
