Download the latest CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set B in PDF format. These Class 12 Informatics Practices revision notes are carefully designed by expert teachers to align with the 2025-26 syllabus. These notes are great daily learning and last minute exam preparation and they simplify complex topics and highlight important definitions for Class 12 students.
Chapter-wise Revision Notes for Class 12 Informatics Practices Free And Open Source Software
To secure a higher rank, students should use these Class 12 Informatics Practices Free And Open Source Software notes for quick learning of important concepts. These exam-oriented summaries focus on difficult topics and high-weightage sections helpful in school tests and final examinations.
Free And Open Source Software Revision Notes for Class 12 Informatics Practices
Chapter - 1
FREE AND OPEN SOURCE SOFTWARE
Free Software
Definition by Richard Stallman’s:
It means software is freely accessible, free to use, changed, improved, copied, distributed without any payments.
Four kinds of freedom
► Freedom to run the program for any purpose
► Freedom to redistribute copies.
► Freedom to study how the program works
► Freedom to improve the program and release your improvements to the public.
Open Source Software
Definition: The categories of software / programs whose licenses do not impose much conditions.
Features:
1. Freedom to run and use the software
2. Modify the program
3. Redistribute copies of either original or modified program (without paying royalties to previous developers). It can be freely used for modifications, but it does not have to be free of charge. Its source code is available. Criteria for the distribution of open source software
1. Free distribution
2. Source code
3. Derived works
4. Integrity of the Author’s Source code
5. No discrimination against fields of endeavor.
6. Distribution of License
7. License must not be specific to a product
8. License must not restrict other software
FOSS (free and open software)
Free software- no payments
Open source software- for technical progress
OSS and FLOSS
► OSS- Source code is available
(open source modified and redistributed software) free of cost or with nominal charge.
► FLOSS- (free libre and open source software)
FSF( free software foundation)
Founded by Richard Stallman in 1985 to support GNU project.
Non-profit organization created for the purpose of supporting free software movement
GNU (free and open source)
Objective : To create a system compatible to unix but not identical with it.
Now it offers a wide range of software, including applications apart from operating system.
Proprietary software (neither open nor freely available)
Definition-
Its use is regulated and further distribution and modification is either forbidden or requires special permission by the supplier Source code is not available.
Freeware
► Free of cost
► Copying and further distribution but not modification.
► Source code is not available
► Eg. MS IE
Shareware
► Right to redistribute copies
► After a certain period of time license fee should be paid.
► Source code is not available.
► Modifications is not possible.
Objective- to increase user’s will to pay for the software. Limits functionality after a trial period of 1-3 months.
Some Softwares
LINUX
► Linux: - free and open source software.
► It can be downloaded from www.linux.org
► Linux is a part of popular webserver program LAMP (Linux,apache,MySql, PHP).
Mozilla
► Freeware
► No source code available
► free internet software
It can be download from www.mozilla.org
Apache Server
► Apache HTTP server is an open source web server.
► It is component of LAMP.
It can be downloaded from www.apache.org
Please refer to attached file for CBSE Class 12 Informatics Practices Free and Open Source Software Study Notes
| CBSE Class 12 Informatics Practices Advanced Database Technologies Notes |
| CBSE Class 12 Informatics Practices Advanced Programming Development Methodology Notes |
| CBSE Class 12 Informatics Practices Communication And Computer Networks Notes |
| CBSE Class 12 Informatics Practices Creating Procedures Notes |
| CBSE Class 12 Informatics Practices Database Fundamentals Notes |
| CBSE Class 12 Informatics Practices Databases And ODBC Notes |
| CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set A |
| CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set B |
| CBSE Class 12 Informatics Practices Getting Started With Pl SQL Notes |
| CBSE Class 12 Informatics Practices Interacting With Databases Notes |
| CBSE Class 12 Informatics Practices Library Functions Notes |
| CBSE Class 12 Informatics Practices Procedures Functions And Modules Notes |
| CBSE Class 12 Informatics Practices Visual Basic Control Structures Notes |
| CBSE Class 12 Informatics Practices Visual Basic Interface Styles Notes |
Important Practice Resources for Class 12 Informatics Practices
CBSE Class 12 Informatics Practices Free And Open Source Software Notes
Students can use these Revision Notes for Free And Open Source Software to quickly understand all the main concepts. This study material has been prepared as per the latest CBSE syllabus for Class 12. Our teachers always suggest that Class 12 students read these notes regularly as they are focused on the most important topics that usually appear in school tests and final exams.
NCERT Based Free And Open Source Software Summary
Our expert team has used the official NCERT book for Class 12 Informatics Practices to design these notes. These are the notes that definitely you for your current academic year. After reading the chapter summary, you should also refer to our NCERT solutions for Class 12. Always compare your understanding with our teacher prepared answers as they will help you build a very strong base in Informatics Practices.
Free And Open Source Software Complete Revision and Practice
To prepare very well for y our exams, students should also solve the MCQ questions and practice worksheets provided on this page. These extra solved questions will help you to check if you have understood all the concepts of Free And Open Source Software. All study material on studiestoday.com is free and updated according to the latest Informatics Practices exam patterns. Using these revision notes daily will help you feel more confident and get better marks in your exams.
You can download the teacher prepared revision notes for CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set B from StudiesToday.com. These notes are designed as per 2025-26 academic session to help Class 12 students get the best study material for Informatics Practices.
Yes, our CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set B include 50% competency-based questions with focus on core logic, keyword definitions, and the practical application of Informatics Practices principles which is important for getting more marks in 2026 CBSE exams.
Yes, our CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set B provide a detailed, topic wise breakdown of the chapter. Fundamental definitions, complex numerical formulas and all topics of CBSE syllabus in Class 12 is covered.
These notes for Informatics Practices are organized into bullet points and easy-to-read charts. By using CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set B, Class 12 students fast revise formulas, key definitions before the exams.
No, all study resources on StudiesToday, including CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set B, are available for immediate free download. Class 12 Informatics Practices study material is available in PDF and can be downloaded on mobile.