CBSE Class 12 Computer Science Syllabus 2019-20: C++

Check CBSE CLass 12 Computer Science Syllabus 2019-20 (C++) and download it in PDF format. This syllabus is important for the preparation of CBSE Class 12 Computer Science Board Exam 2019-20.

Created On: May 30, 2019 15:11 IST
CBSE Class 12 Computer Science Syllabus: C++
CBSE Class 12 Computer Science Syllabus: C++

Check CBSE Class 12 Computer Science Syllabus 2019-20 (C++) and download it in PDF format. Link to download CBSE Syllabus for Class 12 Computer Science (C++) is given at the end of this article. Important portion of CBSE 12th Computer Science Syllabus 2019-20 is given below

Unit No.

Unit Name




















Unit 1: Object Oriented Programming in C++ (50 Theory + 40 Practical) Periods

Review: C++ covered in class XI,

Object Oriented Programming: Concept of Object Oriented Programming – Data hiding, Data encapsulation,  Class   and   Object,   Abstract   class   and   Concrete   class,   Polymorphism (Implementation of polymorphism using Function overloading as an example in C++); Inheritance, Advantages of Object Oriented Programming over earlier programming methodologies,

Implementation of Object Oriented Programming concepts in C++: Definition of a class, 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;

CBSE Class 12 Syllabus 2019-20: All Subjects

Constructor and Destructor: Constructor: special characteristics, declaration and definition of a constructor, default constructor, overloaded constructors, copy constructor, constructor with default arguments;

Destructor: Special Characteristics, declaration and definition of destructor;

Inheritance (Extending Classes): Concept of Inheritances, Base Class, Derived classes, protected visibility mode; Single level inheritance, Multilevel inheritance and Multiple inheritance, Privately derived, publicly derived and Protectedly derived class, accessibility of members from objects and within derived class (es);

Data File Handling: Need for a data file, Types of data files – Text file and Binary file;

Text  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).

Binary File: Creation of file, Writing data into file,  Searching for required data from file, Appending data to a file, Insertion of data in sorted file, Deletion of data from file, Modification of data in a file;

Implementation of above mentioned data file handling 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/de- allocation 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;

Unit 2:    Data Structures (42 Theory + 36 Practical) Periods

Introduction to data structure- array, stack queues primitive and non-primitive data structure, linear and non-linear structure, static and dynamic data structure.


One and two Dimensional arrays: Sequential allocation and address calculation;

One dimensional array: Traversal, Searching (Linear, Binary Search), Insertion of an element in an array, deletion of an element from an array, Sorting (Insertion, Selection, Bubble)

Two-dimensional arrays: Traversal Finding sum/difference of two NxM arrays containing numeric values, Interchanging Row and Column elements in a two dimensional array;

Stack (Array and Linked implementation of Stack):

Introduction to stack (LIFO: Last in First out Operations)

Operations on stack (PUSH and POP) and its Implementation in C++, Converting expressions from

INFIX to POSTFIX notation and evaluation of Postfix expression;

Queue: (Array and Linked Implementation)

Introduction to Queue (FIFO: First in First out operations)

Operations on Queue (Insert and Delete and its Implementation in C++, circular queue using array.

Unit 3: Database Management System and SQL (20 Theory + 20 Practical) Periods

Data base Concepts: Introduction to data base concepts and its need.

Relational data model: Concept of domain, tuple, relation, key, primary key, alternate key, candidate key;

Relational algebra: Selection, Projection, Union and Cartesian product;

Structured Query Language:

General Concepts: Advantages of using SQL, Data Definition Language and Data Manipulation




SQL functions: SUM ( ), AVG ( ), COUNT ( ), MAX ( ) AND MIN ( ); Obtaining results (SELECT query) from 2 tables using equi-join, Cartesian product and Union

Note: Implementation of the above mentioned commands could be done on any SQL supported software on one or two tables.

Unit 4: Boolean Algebra (16 Theory + 0 Practical) Periods

Role of Logical Operations in Computing.

Binary-valued Quantities, Boolean Variable, Boolean Constant and Boolean Operators: AND, OR, NOT; Truth Tables; Closure Property, Commutative Law, Associative Law, Identity law, Inverse Law, Principle of Duality, Idempotent Law, Distributive Law, Absorption Law, Involution Law, DeMorgan’s Law 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.

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.

Unit 5: Communication Technologies (16 Theory + 3 Practical) Periods

Evolution of Networking: ARPANET, 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).

Transmission  media:  Twisted  pair  cable,  coaxial  cable,  optical  fiber,  infrared,  radio  link, microwave link and satellite link.

Network devices: Modem, RJ45 connector, Ethernet Card, Router, Switch, Gateway, wifi card.

Network Topologies and types: Bus, Star, Tree, PAN, LAN, WAN, MAN.

Network Protocol: TCP/IP, File Transfer Protocol (FTP), PPP, SMTP, POP3 Remote Login (Talent), and Internet Wireless/Mobile Communication protocol such as GSM, CDMA, GPRS, and WLL.

Mobile Telecommunication Technologies: 1G, 2G, 3G and 4G; 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 Security Concepts:

Threats and prevention from Viruses, Worms, Trojan horse, Spams

Use of Cookies, Protection using Firewall, https;

India IT Act, Cyber Law, Cyber Crimes, IPR issues, hacking.

Introduction To Web services: WWW, Hyper Text Markup Language (HTML), Extensible Markup Language  (XML);  Hyper  Text  Transfer  Protocol  (HTTP);  Domain  Names;  URL;  Website,  Web browser, Web Servers; Web Hosting, Web Scripting – Client side (VB Script, Java Script, PHP) and 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.

Class XII (Practical) – C++

Duration: 3 Hours, Total Marks: 30

1. Programming in C++ (10)

One programming problem in C++ to be developed and tested in Computer during the examination.

Marks are allotted on the basis of following:

Logic                                 : 6 Marks

Documentation/Indentation : 2 Marks

Output presentation            :   2 Marks

Notes: The types of problem to be given will be of application type from the following topics

• Arrays (One dimensional and two dimensional)

• Class(es) and objects

• Stack using arrays and or linked implementation

• Queue using arrays (circular) and or linked implementation

• Binary File operations (Creation, Displaying, Searching and modification)

• Text File operations (Creation, Displaying and modification)

2. SQL Commands  (05)

Five Query questions based on a particular Table / Relation to be tested practically on Computer during the examination. The command along with the result must be written in the answer sheet.

3. Project Work (05)

The project has to be developed in C++ language with Object Oriented Technology and also should have use of Data files. (The project is required to be developed in a group of 2-4 students)

•     Presentation on the computer

•     Project report (Listing, Sample Outputs, Documentations)

•     Viva

* 1 mark is for innovation while writing programme.

4. Practical File (06)

Must have minimum 20 programs from the following topics

• Arrays (One dimensional and two dimensional, sorting, searching, merging, deletion & insertion of elements)

• Class(es) and objects

• Stacks using arrays and linked implementation

• Queue using arrays & linked implementation (circular also).

• File (Binary and Text) operations (Creation, Updation, Query)

• Any computational Based problems

• 15 SQL commands along with the output based on any table/relation:

5. Viva Voce (04)

Viva will be asked from syllabus covered in class XII and the project developed by student.

Guidelines for Projects (XII)

1.1 The academic course in Computer Science includes on Project in each year. The Purpose behind this is to consolidate the concepts and practices imparted during the course and to serve as a record of competence.

1.2  A group of 2-3 students as team may be allowed to work on one project.

2.   Project content

2.1 Project for class XI can be selected from the topics mentioned in the syllabus or domains on the similar lines

2.2 Project for class XII should ensure the coverage of following areas of curriculum:

• Flow of control

• Data Structure

• Object Oriented Programming C++

• Data File Handling

Theme of the project can be

• Any subsystem of a System Software or Tool

• Any Scientific or a fairly complex algorithmic situation

• School Management, Banking, Library Information System, Hotel or Hospital Management System,

• Transport query system

• Quizzes / Games;

• Tutor, Computer Aided Learning Systems

2.3 It is suggested to prepare a bilingual (English and other Indian language) user manual part of project file.

2.4 The aim of the project is to highlight the abilities of algorithmic formulation, modular programming, optimized code preparation, systematic documentation and other associated aspects of Software Development.

Download CBSE Class 12 Computer Science Syllabus 2019-20: C++ in PDF format

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