CBSE Class 12 Computer Science (C++) Syllabus - Free PDF Download
CBSE Syllabus 2026-27 Class 12: The CBSE Class 12 Computer Science (C++) Syllabus for the examination year 2026-27 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 2026-27 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 2026-27 is below.
Academic year:
CBSE Class 12 Computer Science (C++) Revised Syllabus
CBSE Class 12 Computer Science (C++) Course Structure 2026-27 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| 1 | Networking and Open Source Software | |
| 6 | Object Oriented Programming in C++ | |
| 7 | Data Structures | |
| 8 | Database Management Systems and SQL | |
| 9 | C++ Boolean Algebra | |
| Total | - |
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Syllabus
1 Networking and Open Source Software [Revision]
- Evolution of Networking
- ARPANET
- 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)
- Wired/Bounded Transmission Media
- Introduction to Wired Transmission Media
- Twisted Pair Cable
- Coaxial cable
- Optical Fibre
- Coaxial Cable
- Optical Fiber
- Infrared
- Radio Link
- Microwave Link
- Satellite Link
- Network Devices
- Modem
- Ethernet Card
- RJ45
- Repeater and Hub
- Switch
- Router
- Gateway
- Networking Topologies
- Introduction to Networking Topologies
- Mesh Topology
- Ring Topology
- Bus Topology
- Star Topology
- Tree or Hybrid Topology
- Types of Protocol
- HyperText Transfer Protocol (HTTP)
- File Transfer Protocol (FTP)
- Point to Point Protocol (PPP)
- Simple Mail Transfer Protocol (SMTP)
- Transmission Control Protocol (TCP)/Internet Protocol (IP)
- Address Resolution Protocol (ARP)
- Internet Control Message Protocol (ICMP)
- Internet Group Management Protocol (IGMP)
- User Datagram Protocol (UDP)
- Dynamic Host Configuration Protocol (DHCP)
- Internet Message Access Protocol (IMAP)
- Internet Relay Chat (IRC)
- Post Office Protocol Version 3 (POP3)
- Mobile Telecommunication Technologies
- Mobile Processors
- Introduction to Protocols
- Wireless Technologies Such as Wi-Fi and WiMax
- Threats and Prevention
- Cookies
- Firewall
- HTTP vs HTTPS
- India IT Act
- Cyber Law
- Cyber Crimes
- Key Points: Cyber Crimes
- IPR Issues
- Hackers and Crackers
- Internet, Web and the Internet of Things
- Introduction to Internet, Web and the Internet of thIngs
- The World Wide Web (WWW)
- Introduction to HyperText Markup Language (HTML)
- Basic structure
- An attribute
- Classification of HTML Tags
- Extensible Markup Language (XML)
- Domain Name System (DNS)
- Introduction to Domain Name System
- DNS Server
- Uniform Resource Locator (URL)
- Absolute URL
- Relative URL
- Key Concepts of Web Technology
- World Wide Web (WWW)
- Web Page
- Website
- Web Browser
- Web Client
- Web Server
- Web Address/URL
- 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
6 Object Oriented Programming in C++ [Revision]
- 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
- 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
7 Data Structures [Revision]
- Linear and Non-linear Structure
- Static and Dynamic Data Structure
- One and Two Dimensional Arrays - Sequential Allocation and Address Calculation
- Searching in Data Structure
- 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)
- Machine Control Instruction
- PUSH - PUSH Register Pair On Stack
- POP - POP OFF Stack to Register Pair
- XTHL-EXCHANGE H and L With Top Of Stack
- SPHL - COPY H and L Register To SP
- SIM-SET and RIM-READ Interrupt Mask
- EI - ENABLE Interrupt Instruction
- PCHL - LOAD Program Counter with HL Register Pair Contents
- NOP - NO Operation
- HLT - HALT and enter wait state
- Operations on Queue (Insert and Delete and Its Implementation in C++
- Circular Queue Using Array
8 Database Management Systems and SQL [Revision]
- Introduction to Data Base Concepts and Its Need in C++
- Relational Data model
- Introduction to Relational Data Model
- Three Important Properties of a Relation
- 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
- Introduction to Function in SQL
- Single Row Functions
- Aggregate Functions
- Obtaining Results (Select Query) from 2 Tables Using equi-join
- Cartesian Product and Union
9 C++ Boolean Algebra [Revision]
- 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
