Web browsing and Internet termenologies

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Information about Web browsing and Internet termenologies
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Published on December 13, 2013

Author: vtc-neila

Source: slideshare.net

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Presentation about www, Internet and its associated technologies

INTERNET, WWW AND E-MAIL TOPIC 2: BROWSING THE INTERNET

OUTLINES               WHAT IS INTERNET? WHAT IS WWW? DIFFERENCE BETWEEN WWW AND INTERNET HOW DOES THE WWW WORK? WHAT IS INFORMATION RESOURCE? WHAT IS URL? WHAT IS WEB SITE? WHAT IS PAGE? WHAT IS HYPERLINK WHAT IS WEB APPLICATION? WEB BROWSER? WHAT IS FTP? WHAT IS SEARCH ENGINE? WHAT IS ISP?

INTERNET  Is all the computers that are connected together into a large, global network so that they can talk to each other.

THE WORLD WIDE WEB  Is a collection of interlinked documents (web pages) that can be accessed via Internet..  It s a virtual space in which information could be shared or exchanged.  We need computer language: HTML (hypertext mark up language), to could locate documents on the www on different computers.

Difference between WWW and Internet The Internet and the Web are not the same. Internet WWW •The Internet is a massive network of networks. •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 travels over the Internet using a variety of languages known as protocols. •The World Wide Web, or simply Web, •is a way of accessing information over the medium of the Internet. •The Web uses the HTTP protocol, only one of the languages spoken over the Internet, to transmit data.

How Does the WWW Work?  Web information is stored in documents called Web pages  Web pages are files stored on computers called Web servers  Computers reading the Web pages are called Web clients  Web clients view the pages with a program called a Web browser

INFORMATION RESOURCE  Is identified by Uniform Resource Identifier and may be a web page, image, video, or other piece of content.  Simply, is a document or information resource that is suitable for the world wide web and can be accessed through a web browser and displayed on a monitor or mobile device.  Hyperlinks present in resources enable users to easily navigate their browsers

UNIFORM RESSOURCE LOCATORS (URLs)  Is a text address that uniquely identifies a web page on the internet.  Typical URL: http://www.blackrockec.ie 1. http: stands for hypertext transfer protocol, It tells your browser what kind of information is being sent. 2. www: indicates that this is a world wide web address. 3. www.blackrockec.ie  is the hostname or domain name.  is the principal part of the address  the name of the machine that the website is physically located on.  Simply the domain is a location or area where the

Examples of Domain Types com .org .gov .edu .net .mil commercial organization government education network military

WEB SITE  A website (alternatively, Web site or web site) is a collection of Web pages, images, videos or other digital assets that is hosted on one or several Web server(s), usually accessible via the Internet, cell phone or a LAN.

WEB PAGE  A Web page is a document, typically written in HTML, that is almost always accessible via HTTP, a protocol that transfers information from the Web server to display in the user's Web browser.

HYPERLINK  Is a piece of text, an object or graphic that acts like a button.  Clicking a hyperlink performs an action such as moving to another site altogether.  Anything that changes the cursor to the hand cursor as you move it is normally a hyperlink.

WEB APPLICATION  A web application is a web site designed to do more presenting pages and hypermedia links, but also act as a front end of data processing. A good example of web application is search engine

WEB BROWSER  Is an application that enable users to view individual web pages or the collections of linked web pages that comprise websites  In Microsoft windows the most commonly used browser is Internet Explorer,  although popular alternatives, such as FireFox and opera are also

EXAMPLES OF WEB BROWSER  Internet Explorer  Netscape  Mozilla  Firefox  Opera  Google Chrome  Apple Safari

FILE TRANSFER PROTOCOL  Is a recognized format that enables users to transfer files between different computers on the internet.  FTP works in much the same way as HTTP.  HTTP works for transferring web pages from a server to the user’s browser.

SEARCH ENGINE  Is a website that helps users to find other websites using a searchable database.  which searches for information on the public World Wide Web.  Information may consist of web pages, images and other types of files.

ISP: Internet Service Provider Example: Omantel EXAMPLE OF SEARCHE ENGINES  Alexa Internet  Ask.com  Exalead  Gigablast  Google  search.live  Live Search  MozDex  WiseNut  Yahoo! Search

ISP  ISP: Internet Service Provider  Example: Omantel

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