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                                           12TH CS-PYTHON MATERIALS: 2025-26   

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CBSE Syllabus: Click here

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Split-Up syllabus 2025-26 Click Here

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12th CS Python Practical list 2025-26: Click Here 

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Courtesyy Reference: Inasllation of python video: Click here

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Courtesy (Refernce: pandas installation reference video: click here

 

Courtesy (Reference: matplotlib installation reference video: click here

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Courtesy (Refernce: Mysql connector 8.0 installation video: Click Here

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Courtesy (Reference: Video: Interface python with SQL Database (Windows 10) :Click Here 

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April & May-2025

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Unit I: Computational Thinking and Programming – 2

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∙ 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, function returning value(s),

  • flow of execution, scope of a variable (global scope, local scope)

 

* Chapter: Revision Tour of Python class 11th :click here(slides)

       Reference video(swathi) Revision Tour of Python class 11th(1.25 min):Click here

                               

 * Chapter:  Function in Python: Click Here(slides)

         Reference  Video:(49 min-pythontrends): Click Here     

 
    May & June 2025 Assignment (Summer Holiday Homework):  Click here
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June-July 2025
*∙ 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

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* Chapter:  Data File Handling in Python :
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Topic: Introduction of File Handling And Types of Files ppt notes- Click here
  Reference Video Of Introduction: Click here   
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Topic: Standard Input, Output, Error Streams & Absolute and Relative path ppt notes- Click Here 
  Reference video: Click here 
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Topic: Write(), writelines() in a text file ppt notes- Click Here 
  Reference video: Click here
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Topic: read(), readline(), readlines() in a text file ppt notes- Click Here 
  Reference video: Click here
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Topic: Opening file using with clause(2 types) ppt notes- Click Here 
  Reference video: Click here
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Topic: Random access in files: seek() and tell() methods ppt notes- Click Here 
  Reference video: Click here  
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Topic: Import Pickle module, dump() and load() methods ppt notes- Click Here 
  Reference video: Click here  
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Topic: try and exception methods ppt notes- Click Here 
   Reference video: Click here  
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Topic: read, write/create, search, append, update & delete methods in Binary file program- Click Here 
   Reference video: Click here 
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August-2025
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  • CSV file: import csv module, open / close csv file, write into a csv file using csv.writerow() and read from a csv file using

  • csv.reader( )

 Unit I: Computational Thinking and Programming – 2 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)

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Topic: CSV Files ppt notes- Click Here 
         courtesy : write ,read and search  a record for CSV file video:click here   

Chapter: Data Structure: Implement a stack using list: notes. Click Here  (Reference Video: Click Here)

Unit II: Computer Networks
Chapter- Computer Network-1 Notes ppt slides(RKS):Click Here

Reference: Computer Network-1 Video :Click Here

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September-2025

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  • 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

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 Chapter-Computer Network-2 Notes ppt slides(RKS):Click Here

 Reference: Computer Network-2 Video :Click Here

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October-2025

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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 

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  • 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

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Unit III: Database Management

Refernce: Mysql connector 8.0 installation video: Click Here

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 Chapter:  Data Base, RDBMS & SQL ppt slides(RKS):Click Here

  Reference: Data Base, RDBMS & SQL Video: Click Here

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 Chapter:  Mysql Revision Tour ppt slides(RKS):Click Here

 Reference: Mysql Revision Tour   Video: Click Here

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 Reference: Video: Interface python with SQL Database (Windows 10) : Click Here 

Chapter- Joins, Equi join, Natural join & order on Mysql ppt slides(RKS):Click Her​e

 Reference: Joins on Mysql Video: Click Here

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November-2025

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Chapter- fetchall(), fetchone(), fetchmany() and rowcount( python interface through MYSQL) ppt slides (RKS): Click Here

Reference: fetchall(), fetchone(), fetchmany() and rowcount( python interface through MYSQL video: Click Here

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Chapter- INSERT, UPDATE, AND DELETE (PYTHON INTERFACE THROUGH MYSQL)ppt slides(RKS):Click Her​e

 Reference: INSERT, UPDATE, AND DELETE (PYTHON INTERFACE THROUGH  MYSQL)video: Click Here

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Chapter- Find the min, max, sum, and average of the marks in a student marks table( python interface through MYSQL).

 Click here  

 

Chapter- Find the total number of customers from each country in the table (customer ID, customer name, country) using

group by( python interface through MYSQL).Click Here

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Revision for November-25  Ist Pre-board, practical practice and Project work

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Revision for December-25 IInd Pre-board​,Practical practice and Project work

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Revision for January-26  IIIrd Pre-board​, Practical Examination

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February-26 Revision for Board Examination

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March-26  Board Examination

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Projects:

 1. Payroll mangement python and mysql connectivity(courtesy swathi) video : click here

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 2.Milano Bakery Management (python and Mysql connectivity) 12-C Melvin-Shamith and Naveen

     (source code) :click Here    Report: click

   

  3. Element Hotel Management (python and mysql connectivity) 12-C- Likhith-Harsh verma and Kshitij

      (source code): Click Here    Report: Click Here   

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   4. KV Hebbal Library Management(python and Mysql connectivity 12-C-Yuva sakthi and Poshenisree 

       Source code :click here    Report: Click Here

    

   5. Sharma Vegetable shop(python & Mysql Connectivity 12-C Parveen, Khushi & M. Divya)

       source code :click Here

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    6. KV Hebbal Fee Management(python & mysql connectivity 12-C Jasmitha, Jaagruthi & Preet)

        source code : click here    Report: Click Here

    7. Food Portal (python and Mysql connectivity) 12-C - Medhansh, Yashaswi & Mehak source code: click here

        Report: Click Here

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     8. Guest House Management: (python & mysql connectivity 12-C Ananya jha,Diksha & Dipti)

          source code : click here  Report: click Here

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 * CBSE Sample Paper class  XII Session 2025-2026 Computer Science(code: 083) Click Here

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*CBSE Sample Question Paper Class: XII Session: 2024-2025  Computer Science (Code 083): click here

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*CBSE Sample Question Paper: Marking Scheme Class: XII Session: 2024-25 Computer Science

  (Code 083):click here

 *Courtesy: Reference video: Computer Science CBSE Sample paper Year 2024-25: Click here

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Region Bamgalore:

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  * II Pre-Bard  Question with answer 2024-25: Click Here (password : â€‹325498 )

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 * I Pre-Board Question with answer 2024-25 : Click Here

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 *CBSE Board question Paper with answer Class: XII Session: 2023-24 Computer Science (Code 083): Click Here

   

   *CBSE Sample Question Paper Class: XII Session: 2023-2024Computer Science (Code 083):   Click Here

 

   *CBSE Sample Question Paper: Marking Scheme Class: XII Session: 2023-24 Computer Science

  (Code 083):Click here

   *Courtesy: Reference video: (swathi) Computer Science CBSE Sample paper Year 2023-24: Click Here

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  *CBSE Board question Paper with answer Class: XII Session: 2022-23 Computer Science (Code 083): Click Here

   

   *CBSE Sample Question Paper Class: XII Session: 2022-23 Computer Science (Code 083): Click Here

 

   *CBSE Sample Question Paper: Marking Scheme Class: XII Session: 2022-23 Computer Science

  (Code 083):Click here

   

   *Courtesy: Reference video:(swathi) Computer Science CBSE Sample paper Year 2022-23: Click Here 

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*CBSE Board question Paper with answer Class: XII Session: 2021-22 Term -2 Computer Science (Code 083): Click Here

   

   *CBSE Sample Question Paper Class: XII Session: 2021-22 Term-2 Computer Science (Code 083): click here

 

   *CBSE Sample Question Paper: Marking Scheme Class: XII Session: 2021-22 Term-2 Computer Science

  (Code 083):Click here

   

   *Courtesy: Reference video: Computer Science CBSE Sample paper Year 2021-22 Term2: Click Here

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*CBSE Board question Paper with answer Class: XII Session: 2021-22 Term -1 Computer Science (Code 083): Click Here

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*CBSE Sample Question Paper Class: XII Session: 2021-22 Term-1 Computer Science (Code 083): Click Here​

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 *CBSE Sample Question Paper: Marking Scheme Class: XII Session: 2021-22 Term-1 Computer Science

  (Code 083):Click here

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*Courtesy: Reference video: Computer Science CBSE Sample paper Year 2021-22 Term-1 : Click Here

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Projects:

1.Pythontrends

https://pythontrends.wordpress.com/

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2.pythonmykvs

http://python.mykvs.in/index.php

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