CBSE Class 12 Computer Science Syllabus 2023-24 - CBSE 12th Class Computer Science Syllabus Download PDF

Rahul Raj
Rahul RajUpdated On: December 05, 2023 12:18 pm IST

CBSE has released the CBSE Class 12 Computer Science Syllabus 2023-24 in PDF format. Read the article to get the detailed syllabus for Computer Science. 

CBSE Class 12 Computer Science Syllabus

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CBSE Class 12 Computer Science Syllabus 2023-24 is available for students to download from the website The CBSE Class 12 Board 2024 computer science exam will be held for 100 marks, with 70 marks assigned for theory and 30 marks allotted for practicals. There is a total of 3 units in the theory exam and lab test, report file, project, & viva come under the practical examination. The syllabus will include chapters like Computational Thinking and Programming - 2, Computer Networks, and Database Management. Students are also advised to solve the CBSE Class 12 Computer Science Previous Year Question Paper to understand the difficulty level and type of questions asked in the computer science paper. To acquire the most recent CBSE Class 12 Computer Science Syllabus 2023-24 PDF, practical syllabus, study suggestions, and other information read the entire article.

CBSE Class 12 Computer Science Exam Pattern

CBSE Class 12 Computer Science exam will be conducted for a total of 100 marks. The students will have to appear for a practical exam of 30 marks. After the practicals, the board will conduct a theory exam of 70 marks. CBSE Class 12 Computer Science Syllabus is divided into 3 units:

  • Computational Thinking and Programming - 2
  • Computer Networks
  • Database Management

Unit No.

Unit Name



Computational Thinking and Programming – 2



Computer Networks



Database Management




Check the breakdown of the Internal Assessment

  • Python Programming – 7 marks
  • Python Programme with SQL – 3 marks
  • Database query – 7 marks
  • Lab Test – 10 marks

Report File


Viva-Voce based on project


Viva-Voce based on the report file






CBSE Class 12th Computer Science Practical Marking Scheme

Computer science practical exams for Class 12th have been designed in the following way-



Marks Distribution – 30

Marks for 1st Term – 15

Marks for 2nd Term – 15

Lab Test


Programmes on Python language





Questions on SQL queries 



Report File


15 python programs based on term 1 syllabus





3 python programmes on term 2 syllabus





5 sets of SQL queries





2 programmes on Python -SQL connectivity





Project must be based on the concepts learnt in Class 11 and 12.

(Synopsis to be submitted in term 1 and final coding in term 2









CBSE Class 12 Computer Science Syllabus 2023-24: Theory

The candidates can start preparing themselves for the theory examination by taking into consideration the CBSE class 12 computer science syllabus for the theory paper from the pointers given below:

Unit I: Computational Thinking and Programming – 2

  • Revision of Python topics covered in Class XI.
  • Functions: Types of function (built-in functions, functions defined in module, user-defined functions), creating user-defined function, arguments and parameters, default parameters, positional parameters, a function returning value(s), the flow of execution, scope of a variable (global scope, local scope)
  • Introduction to files, types of files (Text file, Binary file, CSV file), relative and absolute paths
  • Text file: opening a text file, text file open modes (r, r+, w, w+, a, a+), closing a text file, opening a file using with clause, writing/appending data to a text file using write() and write lines(), reading from a text file using read(), readline() and readlines(), seek and tell methods, manipulation of data in a text file
  • Binary file: basic operations on a binary file: open using file open modes (rb, rb+, wb, wb+, ab, ab+), close a binary file, import pickle module, dump() and load() method, read, write/create, search, append and update operations in a binary file.
  • CSV file: import csv module, open / close csv file, write into a csv file using csv.writer() and read from a csv file using csv.reader( ).
  • Data Structure: Stack, operations on stack (push & pop), implementation of stack using list.

Unit II: Computer Networks

  • Evolution of networking: introduction to computer networks, evolution of networking (ARPANET, NSFNET, INTERNET)
  • Data communication terminologies: concept of communication, components of data communication (sender, receiver, message, communication media, protocols), measuring capacity of communication media (bandwidth, data transfer rate), IP address, switching techniques (Circuit switching, Packet switching)
  • Transmission media: Wired communication media (Twisted pair cable, Co-axial cable, Fiber-optic cable), Wireless media (Radio waves, Microwaves, Infrared waves)
  • Network devices (Modem, Ethernet card, RJ45, Repeater, Hub, Switch, Router, Gateway, WIFI card)
  • Network topologies and Network types: types of networks (PAN, LAN, MAN, WAN), networking topologies (Bus, Star, Tree)
  • Network protocol: HTTP, FTP, PPP, SMTP, TCP/IP, POP3, HTTPS, TELNET, VoIP
  • Introduction to web services: WWW, Hyper Text Markup Language (HTML), Extensible Markup Language (XML), domain names, URL, website, web browser, web servers, web hosting

Unit III: Database Management

  • Database concepts: introduction to database concepts and its need
  • Relational data model: relation, attribute, tuple, domain, degree, cardinality, keys (candidate key, primary key, alternate key, foreign key)
  • Structured Query Language: introduction, Data Definition Language and Data Manipulation Language, data type (char(n), varchar(n), int, float, date), constraints (not null, unique, primary key), create database, use database, show databases, drop database, show tables, create table, describe table, alter table (add and remove an attribute, add and remove primary key), drop table, insert, delete, select, operators (mathematical, relational and logical), aliasing, distinct clause, where clause, in, between, order by, meaning of null, is null, is not null, like, update command, delete command, aggregate functions (max, min, avg, sum, count), group by, having clause, joins: cartesian product on two tables, equi-join and natural join
  • Interface of python with an SQL  database: connecting SQL with Python, performing insert, update, delete queries using cursor, display data by using fetchone(), fetchall(), rowcount, creating database connectivity applications

Also Read: CBSE Class 12 Computer Science Sample Paper 2023-24

Chapter-wise CBSE Class 12 Computer Science Deleted Syllabus 2023-24

When preparing for the board exams, students must notice the syllabus reduced by the CBSE Board. For Class 12 Computer Science, students will not have to study web scripting, payment apps, database management. Check the details below according to the chapters.

Chapter - Computational Thinking and Programming 

  • Recursion – simple algorithms with recursion: print a message forever, the sum of first n natural numbers, factorial, Fibonacci numbers, recursion on arrays: binary search
  • Idea of efficiency: performance measurement in terms of the number of operations
  • Data structures: Lists as covered in Class XI, Stacks – Push, Pop using a list, Queues – Insert, Delete using a list. (One of the data structures is Stack or Queue. While setting the question paper a student will have an option between Stack and Queue.)

Chapter - Computer Networks

  • 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, payment apps, and services

Chapter - Database Management

Create table, drop table, alter table, update,.set, insert, delete.

CBSE Class 12 Computer Science Deleted Practical Syllabus 2023-24

In addition to the CBSE Class 12 Computer Science theory, the CBSE has also removed certain topics from the computer science practical syllabus. Now, students do not need to prepare for the following topics.

  • Recursively find the factorial of a natural number.
  • Write a recursive code to find the sum of all elements of a list.
  • Write a recursive code to compute the nth Fibonacci number.

How to Download CBSE Class 12 Computer Science Syllabus 2023-24? 

There is a very easy procedure through which you will be able to download the CBSE Class 12 Syllabus 2023-24. You can check out the simple procedure to download the syllabus from the pointers given below:
  • Step 1 - Visit the website
  • Step 2: Select "Senior Secondary Curriculum (XI-XII)" from the menu.
  • Step 3: Choose the "Academic Electives - (Group-A)" option. Choose "Computer Science New XII" next.
  • Step 4: You can obtain the CBSE Class 12 Computer Science Syllabus for the academic year 2024. Keep the syllabus on hand for future use.
CBSE Class 12 Computer Science Syllabus 2023-24 can be checked from the article provided above. You can then prepare yourself for the board examination and successfully take the examination.


What is the CBSE Class 12 Computer Science Syllabus 2023-24?

CBSE Class 12 Computer Science Syllabus 2023-24 will include units like Computational Thinking and Programming – 2 for 40 marks, Computer Networks for 10 marks and Database Management for 20 marks. 

Is CBSE Class 12 Computer Science Syllabus 2023-24 tough?

CBSE Class 12 Computer Science Syllabus 2023-24 is not very tough to complete because there are not a lot of chapters included in the theory exam however students still need to cover programming so that they can get good marks in the practical exam.

How many chapters are there in CBSE Class 12 Computer Science Syllabus 2023-24?

There are a total of 13 chapters included in the CBSE Class 12 Computer Science Syllabus 2023-24. These 13 chapters are divided into four different units to be covered by the students thoroughly so that they can get good marks in the theory as well as practical exams. 

What is the total marks for CBSE Class 12 Computer Science Syllabus 2023-24?

CBSE Class 12 Computer Science Syllabus 2023-24 is structured for 100 marks. 70 marks will be allotted for the theory examination and 30 marks will be provided for the practical exam which will be conducted by the CBSE board authorities. 

Is Computer Science a scoring subject in CBSE?

Yes, computer science is a scoring subject in CBSE because it heavily depends upon the practical knowledge of the student. The students need to have basic information about C++ programming to get good marks in theory as well as practical exams. 


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