CBSE Class 12 Computer Science Free And Open Source Software Notes

Download CBSE Class 12 Computer Science Free And Open Source Software Notes in PDF format. All Revision notes for Class 12 Computer Science have been designed as per the latest syllabus and updated chapters given in your textbook for Computer Science in Class 12. Our teachers have designed these concept notes for the benefit of Class 12 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 12 Computer Science for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 12 Computer Science given on studiestoday

Revision Notes for Class 12 Computer Science Free And Open Source Software

Class 12 Computer Science students should refer to the following concepts and notes for Free And Open Source Software in Class 12. These exam notes for Class 12 Computer Science will be very useful for upcoming class tests and examinations and help you to score good marks

Free And Open Source Software Notes Class 12 Computer Science

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 

CBSE Class 12 Computer Science - Free And Open Source Software

Please click the link below to download pdf file for CBSE Class 12 Computer Science - Free And Open Source Software.

Class 12 Computer Science Notes
CBSE Class 12 Computer Science All Chapters Notes
CBSE Class 12 Computer Science Boolean Algebra Notes Set A
CBSE Class 12 Computer Science Boolean Algebra Notes Set B
CBSE Class 12 Computer Science Boolean Algebra Notes Set C
CBSE Class 12 Computer Science Communication And Computer Networks Notes
CBSE Class 12 Computer Science Communication And Network Notes Set A
CBSE Class 12 Computer Science Communication And Network Notes Set B
CBSE Class 12 Computer Science Computer Networks Notes
CBSE Class 12 Computer Science Data File Handling In C++ Notes
CBSE Class 12 Computer Science Data Structure Notes Set A
CBSE Class 12 Computer Science Data Structure Notes Set B
CBSE Class 12 Computer Science Data Structure Notes Set C
CBSE Class 12 Computer Science Data Structures Notes
CBSE Class 12 Computer Science Data Visualization Using Pyplot Notes
CBSE Class 12 Computer Science Database And SQL Notes Set A
CBSE Class 12 Computer Science Database And SQL Notes Set B
CBSE Class 12 Computer Science Django Notes
CBSE Class 12 Computer Science File Handling Notes
CBSE Class 12 Computer Science Free And Open Source Software Notes
CBSE Class 12 Computer Science Functions In Python Notes
CBSE Class 12 Computer Science Idea of Efficiency Notes
CBSE Class 12 Computer Science Interface Python with an SQL database Notes
CBSE Class 12 Computer Science Introduction To C++ Notes
CBSE Class 12 Computer Science Networking Notes
CBSE Class 12 Computer Science Notes Of Cloud Computing And Open Standards Notes
CBSE Class 12 Computer Science Oops Notes
CBSE Class 12 Computer Science Pointers Notes
CBSE Class 12 Computer Science Practicals Notes
CBSE Class 12 Computer Science Programming In CPP Notes Set A
CBSE Class 12 Computer Science Programming In CPP Notes Set B
CBSE Class 12 Computer Science Programming In CPP Notes Set C
CBSE Class 12 Computer Science Programming In CPP Notes Set D
CBSE Class 12 Computer Science Recursion Notes
CBSE Class 12 Computer Science Revision of The Basics of Python Notes
CBSE Class 12 Computer Science Society Law and Ethics Notes
CBSE Class 12 Computer Science SQL Commands Aggregation Functions Notes
CBSE Class 12 Computer Science Using Python Libraries Notes

CBSE Class 12 Computer Science Free And Open Source Software Notes

We hope you liked the above notes for topic Free And Open Source Software which has been designed as per the latest syllabus for Class 12 Computer Science released by CBSE. Students of Class 12 should download and practice the above notes for Class 12 Computer Science regularly. All revision notes have been designed for Computer Science by referring to the most important topics which the students should learn to get better marks in examinations. Our team of expert teachers have referred to the NCERT book for Class 12 Computer Science to design the Computer Science Class 12 notes. After reading the notes which have been developed as per the latest books also refer to the NCERT solutions for Class 12 Computer Science provided by our teachers. We have also provided a lot of MCQ questions for Class 12 Computer Science in the notes so that you can learn the concepts and also solve questions relating to the topics. We have also provided a lot of Worksheets for Class 12 Computer Science which you can use to further make yourself stronger in Computer Science.

Where can I download latest CBSE Class 12 Computer Science Free And Open Source Software notes

You can download notes for Class 12 Computer Science Free And Open Source Software for latest academic session from StudiesToday.com

Are the revision notes available for Free And Open Source Software Class 12 Computer Science for the latest CBSE academic session

Yes, the notes issued for Class 12 Computer Science Free And Open Source Software have been made available here for latest CBSE session

Is there any charge for the Class 12 Computer Science Free And Open Source Software notes

There is no charge for the notes for CBSE Class 12 Computer Science Free And Open Source Software, you can download everything free of charge

Which is the best online platform to find notes for Free And Open Source Software Class 12 Computer Science

www.studiestoday.com is the best website from which you can download latest notes for Free And Open Source Software Computer Science Class 12

Where can I find topic-wise notes for Class 12 Computer Science Free And Open Source Software

Come to StudiesToday.com to get best quality topic wise notes for Class 12 Computer Science Free And Open Source Software