WEB BROWSER

WEB BROWSER

• A web browser (commonly referred to as a browser) is a software application for retrieving, presenting and traversing information resources on the World Wide Web. 
• WEB BROWSER are becoming the universal software platform from which end user launch information searchers, e-mail, multimedia file transfers, discussion group and many others internet-based application
• browsers are primarily intended to use the World Wide Web, they can also be used to access information provided by web servers in private networks or files in file systems.
• The major web browsers are Google Chrome, Mozilla Firefox, Internet Explorer, Opera, and Safari.
• web browser is to bring information resources to the user ("retrieval" or "fetching")
• allowing them to view the information ("display", "rendering")
• access other information ("navigation", "following links").
• This process begins when the user inputs a Uniform Resource Locator (URL), for example http://en.wikipedia.org/, into the browser. 
• starts with http: and identifies a resource 
• web browser cannot directly handle are often handed off to another application entirely.
•  http, https, file, and others, once the resource has been retrieved the web browser will display it.
•  HTML and associated content (image files, formatting information such as CSS, etc.) is passed to the browser's layout engine to be transformed from markup to an interactive document, a process known as "rendering".
• HTML, web browsers can generally display any kind of content that can be part of a web page. 
• web browsers range in features from minimal, text-based user interfaces with bare-bones support for HTML to rich user interfaces supporting a wide variety of file formats and protocols.
• components to support e-mail, Usenet news, and Internet Relay Chat (IRC), are sometimes referred to as "Internet suites" rather than merely "web browsers".