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CBSE Class 12 Computer Science: Syllabus, Resources, Exam Tips, etc.

Author : Akash Kumar Singh

Updated On : September 14, 2023


Summary: Dive into the CBSE Class 12 Computer Science curriculum for 2024, which includes essential modules such as Computational Thinking, Computer Networks, and Database Management. Access detailed insights, study patterns, suggested literature, and expert preparation advice. Understand the exam pattern and use quality materials to help you succeed in the board exams. 

As the world continues to evolve, computer science has become a popular career option, and kids are learning the fundamentals of computer science as early as Class 12. It helps children comprehend the fundamentals and basic concepts from the start. Early access to high-quality computer science education helps all kids develop abilities for the future, such as coding, problem-solving, creativity, and teamwork. 

Ace Class 12 Computer Science with the help of our skilled mentors and study for the upcoming board examination to ensure success. You may now study for the CBSE class 12 board exam by covering all of the fundamentals of Computer Science Class XII (083) based on the CBSE Curriculum from the comfort of your own home, rather than searching the internet for notes. 

CBSE Class 12 Computer Science Exam Pettern 

Although particular topics may have various marking schemes, the CBSE Class 12 computer science exam pattern will provide you a basic idea of how to study for your exams. Exam patterns for English (core) and Mathematics papers are often different from those for the other courses. 

Check: CBSE Class 12 English Syllabus

Students can view the CBSE class 12th computer science exam marking schemes and exam pattern below: 

CBSE Class 12 Computer Science Exam Pattern for Theory Exam 

Unit No. 

Unit Name 





Computational Thinking and Programming – 2 





Computer Networks 





Database Management 








CBSE Class 12 Computer Science Exam Pattern for Practical Exam 


Unit Name 

Marks (Total = 30) 

Lab Test: 

  1. Python program (60% logic + 20% documentation + 20% code quality) 

  1. SQL queries (4 queries based on one or two tables) 

Report file: 

  • Minimum 15 Python programs. 
  • SQL Queries – Minimum 5 sets using one table / two tables. 
  • Minimum 4 programs based on Python - SQL connectivity 

Project (using concepts learnt in Classes 11 and 12) 

Viva voce 

CBSE Class 12 Computer Science Syllabus 2024 

Going over the syllabus will help students comprehend the topics covered in Computer Science during the school year. Students can get the most recent CBSE Class 12 Computer Science syllabus below: 

Unit I: Computational Thinking and Programming – 2 

  • Revision of Python topics covered in Class 11. 
  • Functions: types of functions (built-in functions, functions defined in module, user defined functions), creating user defined function, arguments and parameters, default parameters, positional parameters, function returning value(s), 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 writelines(), 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, Micro waves, 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, HyperText 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. 

CBSE Class 12 Computer Science Books 

Because computer science is a practical profession, hands-on practice necessitates the use of practical texts. Practicals help you understand how the principles you read about are applied in the real world. As a result, for full preparation, check the following excellent books for CBSE class 12 computer science

Books for CBSE Class 12 Computer Science  


Computer Science with Python 

Sumita Arora 

All in One Computer Science CBSE Class 12 


Computer Science with C++ 

Preeti Arora & Pinky Gupta 

Question Bank Chapter-wise Solutions Computer Science (C++) 


Computer Science Textbook for Class 12 


Check: CBSE Class Computer Science Practical Exam Questions

Preparation Tips for CBSE Class 12 Computer Science 

Students should read the entire CBSE Class 12 Computer Science syllabus 2024 and become familiar with all of the major topics in order to prepare for computer science. 

  • Only read the NCERT-recommended standard books. Only other literature should be consulted if necessary. 
  • To fully understand the CBSE Class 12 computer science exam pattern and marking scheme, solve CBSE Class 12 sample papers for 2023-24. 
  • Practise as much as you possibly can. Individuals can recognise their weakest areas and work on them accordingly with regular practise. 
  • Attempt CBSE Class 12 sample papers to improve your speed and accuracy in the 2024 board exam. 

Check: CBSE Class 12 English Tips and Tricks

As the digital landscape evolves, a solid foundation in computer science becomes increasingly important. The CBSE Class 12 Computer Science curriculum is designed to foster strong computational thinking and technical prowess in learners through a structured syllabus and professional resources. 

Toprankers serves as a beacon for students, illuminating the path to success in both board exams and potential careers in computer science. So, prepare yourself with the necessary knowledge and tools and set out on a trip to a bright career in this vibrant industry. 

Also check: CBSE Divides Academic Year Into Two Sessions

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