Wednesday, June 1, 2011

Introduction to Internet

How the Internet Works?
Slow Speed Technology.
Using Dial Up Access, modem in your computer uses a standard telehone line to connect to the internet. Connection must be established each time you log on. Slow but expensive.

High Speed Connection.
Digital Subscriber line (DSL), Cable telephone internet services (CATV), cable modem, fixed wireless, and satelite modems. Connection is always on – whenever the computer is running.

What are ways to access the Internet?
1. ISP, Regional or National.
2. OSP, (AOL and MSN).
3. Wireless Internet Service Provider.

What is domain name?
Text version of Internet Protocol (IP) address. 
IP : Number that uniquely identifies each computer or device connected to the internet. Example : IP address -> 98.137.149.56/ domain name -> yahoo.com

What is the World Wide Web (WWW)?
A worldwide collection of electronic documents called the web. Each electronic document is called a Web Page. Its can contain text, graphics, sound, video, and built in connections. A website is a collection of related Web Pages.

What is a Web Browser?
Program that allows you to view Web Pages. Example : Mozilla Firefox, Safari, Google Chrome.

What is a homepage?
1. The first page that a Web Site presents.
2. Often provides connections to other web pages.

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