Chapter 5, Problem 4RQ

Explanation of Solution

Open source software:

• Open source software is not restricted to any particular operating system and lets a free access to the computer users to code, run, fix error and improve in it.
• Open source software is managed by an international network of programmers and users and its ownership is not restricted to an individual or company.

Linux:

• Linux is an operating system that is compact, reliable in design and can run on multiple hardware platforms varying from servers to electronics.
• It is like UNIX operating system but can be easily available from the Internet without any cost to it...

Explanation of Solution

Java and its importance:

• Java is a popular object-oriented programming language used for providing a processor independent access to build applications that can run on the web.
• It helps users to minimize the time consumed on writing specialized software and enables them to manipulate data on networked systems using web browsers.

HTML5 and its importance:

• HTML or Hypertext markup language is used for creating web pages.
• It a programming language used to detail the text, graphics utilized in a web page and provide dynamic links to outside content from the web page...

Explanation of Solution

Web services:

• Web services are loosely deployed software components that enables different applications of different organizations to integrate and communicate with each other.
• They are not belonging to a particular operating system or language and hence they provide an ability to link various types of systems in a company, in a standard way.
• This standardizes and provides a seamless service for businesses to share their web sites to other external web sites without the necessity for a custom coding operation...

Explanation of Solution

Three external sources for software:

Software packages and enterprise software:

• A software package is commercially available software program that can be purchased to perform certain functions of business operations like payroll processing or invoice management.
• These help to avoid the need for companies to create applications by their own written codes which is time consuming, sometimes beyond their expertise and increased cost.
• Enterprise software is an integrated package that provides a single solution to the needs of a large organization to perform its standard operations.
• These globally deployed system can be purchased on a cost of its developing cost.

Cloud based software services and tools:

• These services provide applications to perform business operations that are located remotely through the Internet or a private network.
• Instead of the IT infrastructure being provided on premises, users utilize these online services for a subscription fee or based on transactions...

Explanation of Solution

Software mashups and apps:

• Mashups are hybrid software applications that are created by combining several applications, however the mashup being of superior value to the user than the original applications. It is a sum greater than the sum of its parts.
• The idea of mashups lets users gain their required need by letting them combine applications and services to result in a new better application.
• Apps are specific portions of a software program that can be used in mobile devices or desktops to perform general computing operations...