CBSE Class 12 Computer Science (C++) Syllabus - Free PDF Download
CBSE Syllabus 2025-26 Class 12: The CBSE Class 12 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 12 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 12 Computer Science (C++) Syllabus for 2025-26 is below.
Academic year:
CBSE Class 12 Computer Science (C++) Revised Syllabus
CBSE Class 12 Computer Science (C++) and their Unit wise marks distribution
CBSE Class 12 Computer Science (C++) Course Structure 2025-26 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| 600 | Object Oriented Programming in C++ | |
| 700 | Data Structures | |
| 800 | Database Management Systems and SQL | |
| 900 | C++ Boolean Algebra | |
| 1000 | Networking and Open Source Software | |
| Total | - |
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Syllabus
600 Object Oriented Programming in C++
- Concept of Object Oriented Programming in C++
- Data Hiding in C++
- Data Encapsulation in C++
- Class and Object in C++
- Abstract Class and Concrete Class
- Polymorphism in C++
(Implementation of polymorphism using Function overloading as an example in C++)
- Inheritance in C++
- Advantages of Object Oriented Programming Over Earlier Programming Methodologies in C++
- Definition of a Class in C++
- Member of a Class - Data Members and Member Functions (Methods)
- Using Private and Public Visibility Modes, Default Visibility Mode (Private)
- Member Function Definition - Inside Class Definition and Outside Class Definition Using Scope Resolution Operator (::)
- Accessing Members from Object (S)
- Objects as Function Arguments - Pass by Value and Pass by Reference
- Special Characteristics of Constructor
- Declaration and Definition of a Constructor
- Functions of constructor
- Default Constructor
- Overloaded Constructors
- Copy Constructor
- Constructor with Default Arguments
- Special Characteristics of Destructor
- Declaration and Definition of Destructor
- Base Class in C++
- Derived Classes in C++
- Protected Visibility Mode
- Single Level Inheritance, Multilevel Inheritance and Multiple Inheritance in C++
- Privately Derived, Publicly Derived and Protectedly Derived Class
- Accessibility of Members from Objects and Within Derived Class (es)
- Data File Handling in C++ :- Need for a Data File, Types of Data Files - Text File and Binary File
- Basic File Operations on Text File - Creating/Writing Text into File, Reading and Manipulation of Text from an Already Existing Text File (Accessing Sequentially)
- Searching in Data Structure
- Introduction to searching
- Linear search
- Binary search
- Implementation of Basic File Operations on Text and Binary File in C++
- Components of C++ to Be Used with File Handling
- Header File - fstream.h
- ifstream, ofstream, Classes
- Opening a Text File in - In, Out, and App Modes
- Using Cascading Operators (>>,<<) for Writing Text to the File and Reading Text from the File
- Open (), Get (), Read (), Put (), Write (), Getline () and Close () Functions
- Detecting End-of-file (With Or Without Using Eof() Function), Tellg(), Tellp(), Seekg(), Seekp()
- Introduction to Pointer
- Declaration and Initialization of Pointer
- Dynamic Memory Allocation/Deallocation Operators - New, Delete
- Pointers and Arrays - Array of Pointers, Pointer to an Array (1 Dimensional Array), Function Returning a Pointer, Reference Variables and Use of Alias
- Function Call by Reference
- Pointer to Structure - De-reference/Deference Operator:- *, ->
- Self Referential Structure
700 Data Structures
- Linear and Non-linear Structure
- Static and Dynamic Data Structure
- One and Two Dimensional Arrays - Sequential Allocation and Address Calculation
- Searching in Data Structure
- Introduction to searching
- Linear search
- Binary search
- Two-dimensional Arrays - Traversal Finding Sum/Difference of Two Nxm Arrays Containing Numeric Values, Interchanging Row and Column Elements in a Two Dimensional Array
- Converting Expressions from INFIX to POSTFIX Notation and Evaluation of Postfix Expression in C++
- Queue (Array and Linked Implementation)
- Stack and Queue in Data Structure
- Operations on Queue (Insert and Delete and Its Implementation in C++
- Circular Queue Using Array
800 Database Management Systems and SQL
- Introduction to Data Base Concepts and Its Need in C++
- Relational Data Model
- Relational Algebra
- Selection
- Projection
- Union
- Set Difference
- Cartesian Product
- Structured Query Language Advantages of Using SQL
- Data Definition Language and Data Manipulation Language
- Data Types - NUMBER/DECIMAL, CHARACTER/VARCHAR/VARCHAR2, DATE
- SQL COMMANDS - CREATE TABLE, DROP TABLE, ALTER TABLE, UPDATE ….SET…., INSERT, DELETE; SELECT, DISTINCT, FROM, WHERE, IN, BETWEEN, GROUP BY, HAVING, ORDER BY
- Functions in SQL
- Single Row Functions
- Math/ Numeric Functions: POWER(), ROUND(), MOD().
- String Functions/ Text functions: UCASE ()/UPPER (), LCASE ()/LOWER (), MID ()/SUBSTRING ()/SUBSTR (), LENGTH (), LEFT (), RIGHT (), INSTR (), LTRIM (), RTRIM (), TRIM ().
- Date Functions: NOW (), DATE (), MONTH (), MONTHNAME (), YEAR (), DAY (), DAYNAME ().
- Aggregate Functions: MAX (), MIN (), AVG (), SUM (), COUNT (); using COUNT
- Obtaining Results (Select Query) from 2 Tables Using equi-join
- Cartesian Product and Union
900 C++ Boolean Algebra
- Binary-valued Quantities
- Boolean Variable
- Boolean Constant and Boolean Operators - AND, OR, NOT
- Truth Tables (Boolean Algebra)
- Closure Property
- Commutative Law
- Associative Law
- Identity Law
- Inverse Law
- Principle of Duality
- Idempotent Law
- Distributive Law
- Absorption Law
- Involution Law
- DeMorgan’S Law/Theorem and Their Applications
- Obtaining Sum of Product (SOP) and Product of Sum (POS) Form the Truth Table
- Reducing Boolean Expression (SOP and POS) to Its Minimal Form
- Use of Karnaugh Map for Minimization of Boolean Expressions (Up to 4 Variables)
- Application of Boolean Logic - Digital Electronic Circuit Design Using Basic Logic Gates (NOT, AND, OR, NAND, NOR)
- Use of Boolean Operators (NOT, AND, OR) in SQL SELECT Statements
- Use of Boolean Operators (AND, OR) in Search Engine Queries
1000 Networking and Open Source Software
- Evolution of Networking
- ARPANET, NSFNET, INTERNET
- ARPANET
- Internet
- Introduction
- History Of Internet
- Interspace Different Ways of Sending Data Across the Network with Reference to Switching Techniques (Circuit and Packet Switching)
- Data Communication Terminologies
- Concept of Channel
- Bandwidth (Hz, KHz, MHz) and Data Transfer Rate (Bps, Kbps, Mbps, Gbps, Tbps)
- Twisted Pair Cable
- Coaxial Cable
- Optical Fiber
- Infrared
- Radio Link
- Microwave Link
- Satellite Link
- Network Devices
- Modem
- Ethernet Card
- RJ45
- Repeater
- Hub
- Switch
- Connector
- Router
- Gateway
- Wifi Card
- Networking Topologies
- Mesh Topology
- Ring Topology
- Bus Topology
- Star Topology
- Tree or Hybrid Topology
- Network Protocol - TCP/IP (Transmission Control Protocol/Internet Protocol)
- TCP Working
- Frequent TCP/IP Protocols - HTTP, HTTPS, FTP
- Domain Names and TCP/IP Addresses
- The Different Layers of TCP/IP
(i) Network Access Layer
(ii) Internet Layer
(iii) Transport Layer
(iv) Application Layer
- Network Protocol - FTP (File Transfer Protocol)
- Network Protocol - Point to Point Protocol (PPP)
- Network Protocol - SMTP (Simple Mail Transfer Protocol)
- Network Protocol - POP3 Remote Login (Talent)
- Internet Wireless/Mobile Communication Protocol - GSM, CDMA, GPRS, and WLL
- Mobile Telecommunication Technologies
- 1G, 2G, 3G, 4G, and 5G
- Mobile Processors
- Electronic Mail Protocols Such as SMTP, POP3
- Protocols for Chat and Video Conferencing VOIP
- Wireless Technologies Such as Wi-Fi and WiMax
- Network Threats and Its Prevention
- Cookies
- Protection Using Firewall
- Firewall
- Types of Firewall
1) Network Firewall
2) Host-based Firewall
- https
- India IT Act
- Cyber Law
- Cyber Crimes
- Cyber Crime
- Hacking
- Phishing and Fraud Emails
(A) Identity Theft - Ransomware
- Combatting and Preventing Cyber Crime
- IPR Issues
- Hackers and Crackers (Hacking)
- Hacking
- Hackers and Crackers
- Types of hackers
- White Hats: Ethical Hacker
- Black Hats: Crackers
- Grey Hats
- World Wide Web (WWW)
- Hyper Text Markup Language (HTML)
- Extensible Markup Language (XML)
- Hyper Text Transfer Protocol (HTTP)
- Network Protocol – DNS (Domain Name System)
- Domain name system
- DNS Server
- Uniform Resource Locator (URL)
- Absolute URL
- Relative URL
- Website
- Purpose of a Website
- Web Browser
- Layout of Web browser
1) Address bar
2) Access on the web
3) Website
4) Webpages
5) Hyperlink
6) Search Engine
- Layout of Web browser
- Web Servers
- Web Hosting
- Web Scripting - Client Side (VB Script, Java Script, PHP)
- Server Side (ASP, JSP, PHP)
- Web 2.0 (For Social Networking)
- E-commerce Payment Transactions Using Online Banking
- Mobile Banking and Payment Apps and Services
