Access the new CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set 02 as a downloadable PDF. Get free Class 12 Informatics Practices revision notes built by expert teachers to match the 2026-27 curriculum guidelines. Perfect for daily review and last-minute exam prep, these summaries break down hard topics and point out key definitions for every Class 12 learner.
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
Free study material for Informatics Practices
Revision Notes & Key Concepts for Class 12 Informatics Practices Free And Open Source Software
Download Chapter Notes: Class 12 Informatics Practices Free And Open Source Software
Access these Revision Notes for Free And Open Source Software to review core concepts swiftly. Built according to the active CBSE curriculum for Class 12, these notes support steady daily study. Experienced teachers recommend regular review of these summaries to master high-yield topics frequently tested in school evaluations.
NCERT-Aligned Revision Notes for Class 12 Informatics Practices
Built strictly from the official NCERT book for Class 12 Informatics Practices, these summaries highlight vital concepts. Reviewing the chapter overview should be followed by studying our professional NCERT solutions for Class 12. Cross-checking your comprehension with our expert answers ensures absolute mastery over Informatics Practices.
Comprehensive Study Resources & Worksheets
To prepare very well for your 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 our platform 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.
FAQs
You can download the teacher prepared revision notes for CBSE Class 12 Informatics Practices Free And Open Source Software Notes Set 02 from StudiesToday.com. These notes are designed as per 2026-27 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 02 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 02 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 02, Class 12 students fast revise formulas, key definitions before the exams.
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