IB Computer Science - Option C - Web Science

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Internet

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The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. Information that travels over the Internet does so via a variety of standards known as protocols.

World Wide Web

A global system of hypertext documents, created using the Hypertext Markup Language and accessed over the internet, containing internal links and/or links to other documents

Difference between the internet and the World Wide Web

Internet is the infrastructure which enables computers, servers, and other devices to establish communication by means of cables and satellite connection. Whereas, World Wide Web is the sue of the internet to access data and enable data exchange between users all over the globe.

Evolving web

The web was first a platform of data exchange with a limited number of users with applications. Then commercials application were added to the web. With web 2.0, users demand for social aspects has been added to help computers understand the meaning behind the webpages and the interaction between the computer and the users. Due to the progress of technology and availability of high speed internet, mobile devices and connected things such as fridges, houses, cars will play a bigger role.

Hypertext Transfer Protocol (HTTP)

(HTTP) A protocol that is a communications standard for sending and receiving documents on the Web; it transfers files from a web server to a web browser and interprets hyperlinks in order to navigate to a specific location. It describes the data exchange in the World Wide Web, which port to use and how the data should be formatted.