CBSE Class 12 Informatics Practices Free And Open Source Software Assignment

Read and download free pdf of CBSE Class 12 Informatics Practices Free And Open Source Software Assignment. Get printable school Assignments for Class 12 Informatics Practices. Class 12 students should practise questions and answers given here for Free And Open Source Software Informatics Practices in Class 12 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 12 Informatics Practices prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 12 Informatics Practices Free And Open Source Software

Class 12 Informatics Practices students should refer to the following printable assignment in Pdf for Free And Open Source Software in Class 12. This test paper with questions and answers for Class 12 Informatics Practices will be very useful for exams and help you to score good marks

Free And Open Source Software Class 12 Informatics Practices Assignment

Brief Summary of the Chapter:
In this chapter we are going to discuss about various open source software and how they are different from software which are not open source.

Key Points:
Free Software: It means software is freely accessible, free to use, changed, improved, copied, and 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 many 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
Example Internet Explorer

Shareware
• Right to redistribute copies
• After a certain period of time license fee should be paid.
• Source code is not available.
• Modifications are not possible.
• Objective- to increase user’s will to pay for the software. Limits functionality after a trial period of 1-3 months.

Important Software’s

LINUX
• Linux: - free and open source software.
• It can be downloaded from www.linux.org
• Linux is a part of popular web server program LAMP (Linux, apache, MySql, PHP).

Mozilla
• Freeware
• No source code available
• free internet software It can be downloaded from www.mozilla.org

Apache Server
• The most common web server (or HTTP server) software on the Internet.
• Apache is designed as a set of modules, enabling administrators to choose which features they wish to use and making it easy to add features to meet specific needs including handling protocols other than the web-standard HTTP.
• Apache HTTP server is an open source web server.
• It is component of LAMP.

Denial-of-services attacks:
DOS are those attacks that prevent the legal users of System from accessing or using the resources, information or capabilities of the system. It may be of following types:
• Denial of Access to Information: Such attacks cause deletion or changing of important information to non-readable format.
• Denial of Access to Applications: Such attacks make the applications unusable or unavailable for legal user of the system.
• Denial of Access to Communications: Such attacks includes cutting of communication wire, jamming radio communications, flooding a system with junk mail.

Threats to network security: It may be of following types:
• Snooping: It refers to unauthorized access to someone else’s data, email or computer activity.
• Eavesdropping: It refers to unauthorized listening / intercepting someone else’s private communication / data/ information.

Standards:
Standards refers to an established set of rules or requirements which are approved by recognized body or widely used across various software platforms. For ex.: PDF (Portable documents format) is a technical standard widely used by the industry.
They are of two types: Proprietary Standards and Open Standards.
Proprietary standards are those for which users have to buy license to use them. For e.g. MS Office format .doc, .ppt, .xls etc
Open Standards are internationally accepted technical standards that guarantee that data can be exchanged across platforms and for any applications. Open is feely open to all.

Advantages of Open Standards:
• Making the data accessible to all.
• It ensures data is application and platform independence.
• Diversity and Interoperability in the Industry i.e. it enables business and people to go for any technology of their choice as per their needs and budget.
E.g.: ASCII Characters, HTML file, Joint Photographic Expert Group, Portable Network Graphic etc.

Ogg Vorbis:
• It is a new audio compression which is open format developed by Xiph.org. It is roughly comparable to mp3, mpeg-4 formats and is completely free, open and unpatented. Hence it imposes no restrictions on its usage, types of usage, distributions, redistribution etc. Indian Language Computing:
• Indian Language computing refers to ability to interact in diverse Indian language on electronic system.

How to represent character in Memory?
• ASCII: American Standard Code for Information Interchange is widely used alphanumeric code in most microcomputers and minicomputers and in many mainframes. It is 7 bit code hence it can represent standard 27 =128 characters.

ISCII:
• Indian Standard Code for Information Interchange (ISCII) is an eight bit code capable of coding 256 characters. It retains all ASCII characters and also offers coding for Indian Scripts.

Transliteration:
• When we type Indian Language words phonetically in English script and tool will automatically convert them into corresponding language words called as transliteration.

Unicode
• Unicode provides a unique number for every character, no mater what the platforms, no matter what the program, no matter what the language. Unicode can represent 94140 characters.
Unicode standard has incorporated Indian Scripts under the group named Asian scripts. Indian scripts included as Devnagari, Bengali, Gurumukhi, Gujarati, Oriya, Tamil, Telgu, kannada, and Malayalam.

Fonts:
• A Font refers to a set of displayable text characters called glyphs, having specific style and size. There are two categories of font: True Type Font and Open Type Font.
• True Type Font: It is developed by Apple and licensed to Microsoft. It is 8 bit font which is compatible with Microsoft Windows and MAC OS.
• Open Type Font: It is the extension of the True Type Font Format which is 16 bits font and support 65536 characters (Unicode characters).

Indian Language Text Entry:
Many Tools / software have been developed to facilitate the typing of Indian
Language text. There are two types text entries:
• Phonetic Text Entry: Words typed as per their pronunciation in English script and later on
converted to Corresponding (Hindi/Gujarati) language work is known as phonetic text entry.
• Key map based text entry: When you type text from a keyboard having key mapping of Indian language characters, is known as key map based text entry.

Questions and Answer

Q1. What is OSS?
Ans
Open Source Software is a software available with source code and free to change/edit / redistribute and imposed no further restrictions on product or its usage.

Q2. Expand the terms: OSI, FLOSS, FSF, GNU, W3C, and PHP.
Ans:
OSI: Open source Initiative
FLOSS: Free Libre and Open Source Software.
FSF: Free software Foundation created for the purpose of supporting free Movement.
GNU : GNU’s Not Unix Project established with an objective to create a system Compatible to UNIX but not identical with it.
W3C: World Wide WEB consortium is responsible for producing the software standards for World Wide Web.
PHP: Hypertext Pre-processor is a widely used open source programming language primarily for server side applications and developing dynamic web content.

Q3. What is free software?
Ans :
Free Software means the software is freely accessible and can be freely used, changed, improved, copies and distributed to others.

Q4. Define freeware and shareware.
Ans
The freeware is the software available free of cost and allows copying and further distribution but does not allows modification as its source code is not available.
Shareware is as software which is available for redistribution for stipulated time but after some time some license fee is required to be paid.

Q5. What is openoffice.org?
Ans
It is Office an application suite which is free software and directly competes with Microsoft Office. It is compatible with MS Operating System, UNIX, MAC OS.

Q6. What is font? What is OTF?
Ans :
A font is a set of displayable or printable text characters having specific style and size. Open
Type Font: It is the extension of the True Type Font Format which is 16 bits font and support 65536 characters ( Unicode characters).

Q7. What are different font categories?
Ans :
There are two categories of font: True Type Font and Open Type Font.
True Type Font: It is developed by Apple and licensed to Microsoft. It is 8 bit font which is compatible with Microsoft Windows and MAC OS.
Open Type Font: It is the extension of the True Type Font Format which is 16 bits fon and support 65536 characters ( Unicode characters).

Q8. Define ODF.
Ans :
ODF is an Open Document file Format used for exchanging office documents such as memos,
reports, spreadsheets, database, charts and presentations. Open document is open, XML based file format used for exchanging office documents such as memos, reports, spreadsheets, database, charts and presentations.

Q9. What is key map based text entry?
Ans:
When you type text from a keyboard having key mapping of Indian Languages characters is known as key map based text entry.

Q10. What is Unicode?
Ans10:
Unicode provides a unique number for every character, no mater what the platforms, no matter what the program, no matter what the language. Unicode can represent 94140 characters.

Q11. What is ISCII?
Ans :
Indian Standard Code for Information Interchange (ISCII) is a coding scheme for representing various writing systems of India. It encodes the main Indic scripts and a Roman transliteration. When we type Indian Language words phonetically in English script and tool will automatically convert them into corresponding language words called as transliteration.

Q12. What is Indian Script key map known as?
Ans :
Key map based text entry: When you type text from a keyboard having key mapping of Indian language characters, is known as key map based text entry.

Unsolved Questions

1. What is open source software?

2. Compare Free software and open source software.

3. Compare OSS and floss.

4. Compare Proprietary software and free software.

5. Compare Free ware and shareware.

6. Compare Freeware and free software

7. Write Short notes on GNU.

8. Write short notes on LINUX.

9. Write Short notes on MOZILLA.

10. Write short notes on APACHE.

11. Write short notes on POSTGRE SQL.

12. Write short notes on PHP.

13. Write short notes on Open Office.

14. What are technological standard and its various categories?

15. Mention some advantages of open standards.

16. What is the significance of Unicode in terms of Indian Language Computing?

17. How phonetic text entry is different from key map based text entry?

18. What is Ogg Vorbis? Why?

19. How to represent character in Memory?

20. What is font and its types?

 

Class 12 Informatics Practices Assignments
CBSE Class 12 Informatics Practices Concept Of Inheritance In Java
CBSE Class 12 Informatics Practices Database Concepts Assignment
CBSE Class 12 Informatics Practices Database Transactions Assignment
CBSE Class 12 Informatics Practices Extensible Markup Language Assignment
CBSE Class 12 Informatics Practices Free And Open Source Software Assignment
CBSE Class 12 Informatics Practices GUI Dialogs And Tables Assignment
CBSE Class 12 Informatics Practices HTML I Basic HTML Elements Assignment
CBSE Class 12 Informatics Practices HTML II Lists Tables and Forms Assignment
CBSE Class 12 Informatics Practices IT Applications Assignment
CBSE Class 12 Informatics Practices Java Database Connectivity To MySQL Assignment
CBSE Class 12 Informatics Practices Java GUI Programming Revision Tour Assignment
CBSE Class 12 Informatics Practices More About Classes And Libraries Assignment
CBSE Class 12 Informatics Practices More on SQL Grouping Records and Table Joins Assignment
CBSE Class 12 Informatics Practices More RDBMS Assignment
CBSE Class 12 Informatics Practices MYSQL Revision Tour Assignment
CBSE Class 12 Informatics Practices Networking and open standards Assignment
CBSE Class 12 Informatics Practices Programming Fundamentals Assignment
CBSE Class 12 Informatics Practices Revision Assignment Set A
CBSE Class 12 Informatics Practices Revision Assignment Set B
CBSE Class 12 Informatics Practices Revision Assignment Set C
CBSE Class 12 Informatics Practices Revision Assignment Set D
CBSE Class 12 Informatics Practices Web Application Development Assignment
CBSE Class 12 Informatics Practices Worksheet All Chapters

More Study Material

CBSE Class 12 Informatics Practices Free And Open Source Software Assignment

We hope you liked the above assignment for Free And Open Source Software which has been designed as per the latest syllabus for Class 12 Informatics Practices released by CBSE. Students of Class 12 should download and practice the above Assignments for Class 12 Informatics Practices regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 12 Informatics Practices practice sheet in Pdf. All questions have been designed for Informatics Practices by looking into the pattern of problems asked in previous year examinations. 

Assignment for Informatics Practices CBSE Class 12 Free And Open Source Software

Our team of expert teachers have referred to NCERT book for Class 12 Informatics Practices to design the Informatics Practices Class 12 Assignments. If you practice at least one test paper daily, you will get higher marks in Class 12 exams this year. Daily practice of Informatics Practices course notes and related study material will help you to clear all your doubts and have stronger understanding of all concepts. You can download all Revision notes for Class 12 Informatics Practices also from www.studiestoday.com absolutely free of cost.

Free And Open Source Software Assignment Informatics Practices CBSE Class 12

All questions and their answers for the assignment given above for Class 12 Informatics Practices have been developed as per the latest curriculum and books issued for the current academic year. The students of Class 12 can rest assured that the best teachers have designed the questions of Informatics Practices so that you are able to revise the entire syllabus if you do the assignments. Lot of MCQ questions for Class 12 Informatics Practices have also been given in the worksheets and assignments for regular use. All study material for Class 12 Informatics Practices students have been given on studiestoday.

Free And Open Source Software Assignment CBSE Class 12 Informatics Practices

Regular assignment practice helps to get a more comprehensive understanding of Free And Open Source Software concepts. Assignments play a crucial role in understanding Free And Open Source Software in CBSE Class 12. Students can download all the assignments of the same chapter in Class 12 Informatics Practices in Pdf format. You can print them or read them online on your computer or mobile.

CBSE Informatics Practices Class 12 Free And Open Source Software Assignment

CBSE Class 12 Informatics Practices latest books have been used for coming up with the latest questions and solutions for the above assignment. If you have revised all concepts relating to Free And Open Source Software then you should attempt all questions given in the test sheets above. We have also provided lot of Worksheets for Class 12 Informatics Practices which you can use to further make your self stronger in Informatics Practices

Where can I download in PDF assignments for CBSE Class 12 Informatics Practices Free And Open Source Software

You can download free Pdf assignments for CBSE Class 12 Informatics Practices Free And Open Source Software from StudiesToday.com

The assignments for Free And Open Source Software Class 12 Informatics Practices for have been made based on which syllabus

The Free And Open Source Software Class 12 Informatics Practices Assignments have been designed based on latest CBSE syllabus for Class 12 Informatics Practices issued for the current academic year

Can I download and print these printable assignments for Informatics Practices Free And Open Source Software Class 12

Yes, These printable assignments for Free And Open Source Software Class 12 Informatics Practices are free to download and print

How many topics are covered in Free And Open Source Software Informatics Practices assignments for Class 12

All topics given in Free And Open Source Software Informatics Practices Class 12 Book for the current academic year have been covered in the given assignment

Is there any charge for this assignment for Free And Open Source Software Informatics Practices Class 12

No, all Printable Assignments for Free And Open Source Software Class 12 Informatics Practices have been given for free and can be downloaded in Pdf format

How can I download the printable test assignments for Free And Open Source Software Informatics Practices Class 12

Just click on the View or Download button below, then another window with the Pdf will be visible, just click on the Pdf icon to download the free assignments for Free And Open Source Software Class 12 Informatics Practices

Are these assignments available for all chapters in Class 12 Informatics Practices

Yes, apart from Informatics Practices you can download free assignments for all subjects in Class 12

Can I download solved assignments for Free And Open Source Software CBSE Class 12 Informatics Practices

Our team of expert teachers at studiestoday.com have provided all answers for the practice questions which have been given in Class 12 Informatics Practices Free And Open Source Software assignments