who invented “www” ?

Correct option is D

Sol. The World Wide Web (www) was invented by Tim Berners-Lee, a British computer scientist, in 1989.
· The World Wide Web is based on several different technologies: Web browsers, Hypertext Markup Language (HTML) and Hypertext Transfer Protocol (HTTP). 
· A Web browser is used to access web pages. Web browsers can be defined as programs which display text, data, pictures, animation and video on the Internet.
· Hyperlinked resources on the World Wide Web can be accessed using software interfaces provided by Web browsers.
· Components of the Web: There are 3 components of the web:
· Uniform Resource Locator (URL): serves as a system for resources on the web.
· HyperText Transfer Protocol (HTTP): specifies communication of browser and server.
· Hyper Text Markup Language (HTML): defines the structure, organisation and content of a webpage.