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__Revision Tips for Quiz__

Q1) What are the 4 levels of freedom?

The freedom to run the program, for any purpose (freedom 0).

The freedom to study how the program works, and adapt it to your needs (freedom 1). Access to the source code is a precondition for this.

The freedom to redistribute copies so you can help your neighbor (freedom 2).

The freedom to improve the program, and release your improvements to the public, so that the whole community benefits (freedom 3). Access to the source code is a precondition for this.

+ (A -> B -> C Example) + understand the principles of GPL

Q2) Creative Commons

● An means for creative licensing of works that the authors do not want to be restrictive as per the common definition of copyright

● Uses the symbol CC to denote copyright status

● Is still evolving to incorporate newer ideas and expanding the area between traditional copyright and public domain

Q3) Describe the 3 types of intellectual property rights namely a) Patents, b) Copyrights and c) Trademark

a) A patent is a set of exclusive rights granted by a state to a person for a fixed period of time in exchange for the regulated, public disclosure of certain details of a device, method, process or composition of matter (substance) (known as an invention) which is new, inventive, and useful or industrially applicable.

b) Copyright is a set of exclusive rights granted by governments to regulate the use of a particular expression of an idea or information.

c) A trademark or trade mark is a distinctive sign of some kind which is used by a business to uniquely identify itself and its products and services to consumers, and to distinguish the business and its products or services from those of other businesses. A trademark is a type of industrial property which is distinct from other forms of intellectual property.

Q4) LAMP

LAMP is a bedrock of applications that goes "up the stack" which provides highly reliable and scalable performance.

LAMP:

-Linux (the operating system)

-Apache (the web server)

-MySQL, PostgreSQL (the database system)

-PHP,Phyton,Ruby,Perl (scripting language)

Q5) PKI (Public Key Infrastructure)

PKI is a scheme that allows the deployment of an electronic mean to sign documents that one can check is it authentic.

-Public Key

-Private Key

-Prime Numbers

-2 senarios (1. Authuenticate sender 2. point 1 plus only the correct receiptient gets the message)

Q6) Open Source Principles

Q7) Philosophy of Open Source Software(OSS)

Open source describes practices in production and development that promote access to the end product's sources. Some consider it as a philosophy, and others consider it as a pragmatic methodology.

__Other possible questions__

Q8) What is Open Source Software(OSS)

OSS is software which code is readable in the human point of view.

It offers:-

- ability to understand what is being done

- ability to make changes to the code to suit new needs

- ability to port the code to a new hardware environment

Q9) What is GPL?

GPL is GNU General Public License.

- Set up by Free Software Foundation.

- Credited with the growth of a large body of high quality software over the last ten years.

- Does not in any way restrict the placement of monetary value for the software

- Has been variously and unfairly attacked as being a viral license.

Q10) What are some of open source licenses?

- Apache Software License

- BSD License

- GNU General Public License

- MIT License

- W3C License

- GNU Lesser General Public License