What is the Internet?

A worldwide system of interconnected networks and computers.

The largest network of networks in the world.

What is a Network?

A computer network is an interconnection

of a group of computers.

How did the Internet developed?

•Internet was born in late 1960’s•The internet has its root in the ARPANET system of the Advanced Research Project Agency of U.S. Department of Defense which linked together mainframe computers to form a communication networks for survive a nuclear attack. That theory is often disputed by scientists. .•ARPANET is known as the forefather of internet.

ARPANET• Was the world's first operational

network, and the predecessor of the global Internet

The Internet was an Accident!

• The Internet was a result of an unsuccessful military and academic research program!

Cofounder of Internet• Vinton Gray "Vint" Cerf – Father of the

Internet

• 1974 - TCP specification

How the internet works• Hipper Text Transfer Protocol (HTTP) Basic content in the internet• Transport control protocol (TCP)

A protocol that operates at the transport layer and is used in combination with IP by most Internet applications

• BackboneAn Internet high-speed, long distance communications links (like a bus; wire that connects nodes)

• Uniform resource locator (URL)An assigned address on the Internet for each computer

The World Wide WebWorld Wide Web is a network of electronic files stored on millions of computers all around the world. Hypertext links these resources together. Uniform Resource Locators or URLs are the addresses used to locate the files. Every URL is unique and identifies one specific file.

Creation of the World Wide Web

• Tim Berners Lee brought all of this together to form the World Wide Web in 1990.

www.Bileeta.weebly.com

Uses Of the Internet in Uses Of the Internet in Terms Terms Search EnginesIt is designed to search for information on the internet. Search engine presents the search results in the form of a search results list. The search results can be web pages, images, videos, and other type of files.

Search Engines Optimization Search engine optimization is a methodology of strategies, techniques and tactics used to increase the amount of visitors to a website by obtaining a high-ranking placement in the search results page of a search engine (SERP) -- including Google, Bing, Yahoo and other search engines.SEO helps to ensure that a site is accessible to a search engine and improves the chances that the site will be found by the search engine.