FUNDAMENTALS OF COMPUTER

APPLICATION SYSTEM SOFTWARE

WHAT IS COMPUTER SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Define Copyleft
A
Is the method of ensuring that all original work, and all the derivative works created from it, are kept free and open
B
Applications can be downloaded from the Internet directly and used without any restrictions
C
The only difference between a freeware and sharewareapplication is that the shareware is usually provided on a trial basis
D
The Free Software Foundation (FSF) recommends that all freesoftware be copylefted and released under General Public License
Explanation: 

Detailed explanation-1: -Copyleft is a general method for making a program (or other work) free (in the sense of freedom, not “zero price”), and requiring all modified and extended versions of the program to be free as well. The simplest way to make a program free software is to put it in the public domain, uncopyrighted.

Detailed explanation-2: -Copyleft is a form of licensing that can apply to computer software as well as a wide range of works including scientific discoveries, art, documents, etc. Copyleft licenses for computer software provide a reciprocal arrangement with users of free and open source software.

Detailed explanation-3: -The Free Software Definition written by Richard Stallman and published by the Free Software Foundation (FSF), defines free software as being software that ensures that the end users have freedom in using, studying, sharing and modifying that software.

Detailed explanation-4: -A free-software license is a notice that grants the recipient of a piece of software extensive rights to modify and redistribute that software.

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