Internet

History of INTERNET

The internet has its rootsin the US military which found a network in 1960 called ARPANETIt was replaced by NSFNET which was run by national science foundation

What is INTERNET???

It is network of networks joining many governmental and private computers together and providing an infrastructure for use of E-mail, file archives, hypertext documents, databases and other computational resources.

How INTERNET works?Internet works according to some protocols, these protocols provide a common language for computer attached to the network by which computers (or networks) communicate with each other. Some Protocols are:- IP (Internet Protocol) TCP (Transmission Control

Protocol)

INTERNET Requirements An internet access point for

ISP A computer A modem connected to a

modem line Necessary software for

connecting to the internet and accessing information.

ISP stands for INTERNET SERVICE PROVIDER.

It offers to various options and packages to the general public for internet access.

ISP is the company which gives us the facility to gain access to the internet.

What is ISP???

What is DNS??? DNS stands for DOMAIN NAME

SYSTEM It is the system that

translates IP address into domain name.

Without DNS resolution the internet would be a very in convenient way.

What is WWW??? The world wide web is an internet service, based on a set of protocols. It allows a particularly configure server computer to distribute documents across the internet

in a standard way.

Http Http stands for Hyper Text Transfer Protocol. When web browser talk to web server they speak a language known as http. This is actually very simple

and understandable

Web browser

Web browser is a software program that

interprets the coding language of the World Wide Web in graphic form. Some web browsers are:-

Internet Explorer Mozilla Firefox Safari