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What is the Internet? Internet: The Internet, in simplest terms, is the large group of millions of computers around the world that are all connected to.

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Presentation on theme: "What is the Internet? Internet: The Internet, in simplest terms, is the large group of millions of computers around the world that are all connected to."— Presentation transcript:

1 What is the Internet? Internet: The Internet, in simplest terms, is the large group of millions of computers around the world that are all connected to one another. These computers are connected by phone lines, fiber optic lines, coaxial cable, satellites, and wireless connections. When you log on to the Internet you are given access to many of the other computers that are connected around the world. IP Address: Every machine on the Internet has a unique identifying number, called an IP Address. A typical IP address looks like this: To find out your computers IP Address click here

2 Internet History ARPANET: (Advanced Research Projects Agency) was created by the US Defense Dpt. In 1969. NSFnet: (National Science Foundation Network) NSFnet replaced ARPANET as the main government network linking universities and research facilities in 1986. Internet: In 1995 the NSF dismantled NSFnet and replaced it with what we know as the Internet.

3 How do you connect to the Internet?
Internet Service Provider (ISP): Allows the user access to the Internet through their server. Some examples: America Online, Earthlink, telephone companies, or cable companies. To connect to an Internet server you will need a computer, modem, and a telephone line. In most areas, cable modems or DSL are available for high-speed access to the Internet. Access: A way to get online. Dial up Cable DSL Satellite WiFi Other types of access

4 Why is the Internet so popular?
Communication Shopping Research Entertainment Internet Services World Wide Web (WWW): A multimedia interface of resources available on the internet File Transfer Protocol (FTP): An Internet service for transferring files Usenet: A discussion system accessible through the Internet Internet Relay Chat (IRC): An Internet service that enables you to join chat groups and get into real-time, text based conversations Instant Messaging systems: Enables the user to have private online chat in real-time, text based conversations Internet Telephony: Real-time voice and video. This requires appropriate hardware. Electronic mail Parts: Username and the name of the computer or server on which their account is stored….the 2 parts are separated by sign

5 The World Wide Web and Web 2.0
World Wide Web (The Read Only Web): A system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them by using hyperlinks. Web 2.0 (The Read/Write Web): An expression used to describe the changes that have taken place in the usage and applications available on the Internet

6 Interesting Facts… The Web and the Internet are NOT the same thing; the internet is made up of equipment that makes the transfer of data possible; the www is made up of documents, sound, graphics and video. Connections on the Internet are connections between hardware (cables, satellites etc); connections on the Web are links between objects The Web organizes and displays information in a user friendly way. The Web is an abstract place where information is.

7 Web Terms Web Browser: An application designed for viewing Websites and displaying Web graphics and documents. Example: Internet Explorer Parts of a Web Browser Menu bar Address Window Status Bar How a Web Browser Displays a Home Page Click the Web browser program name to start the browser Behind the scenes, the browser looks up its home page setting. The browser communicates with a server maintained by your ISP. The server translates the domain name of the home page to an IP address and then sends the IP address to your computer. The browser uses the IP address to contact the server associated with the home page and then requests the home page from the server. The server sends the home page to the browser, which formats the page for display on your screen. Web Server: A program that waits patiently for browsers to request a Web page. Web site: A collection of related Web documents that a Web server makes available to the public. Home Page: The page that’s displayed automatically when a user enters the site. Web page: Individual Web documents. Static: Fixed Dynamic: Changing Uniform Resource Locator (URL): A unique address for a Website.

8 Finding information on the Web
Subject Guide: Subject guides group web pages under headings like: Business, Sports, and News. You have to keep clicking buttons till you get to where you want to be Search Engine: A type of software application that locates key words or phrases on the Web. Two major types of search engines: Subject Search Engine: Lets you search the Web for a particular topic of interest. Ex: Google, Ask, AltaVista Site Specific Search Engine: is installed on a specific Website that enables you to search for information stored only on that particular Website. Ex:,,

9 Digital Tools on Web 2.0 are a new set of tools that allow users to collaborate ideas through new mediums of expression.

10 Digital tools can be used to help you:
A digital tool can be a type of hardware, a software application or a web application. Digital tools can be used to help you: Create Communicate Demonstrate Evaluate and Analyze Understand and Learn Remember

11 Examples of Digital Tools on Web 2.0
Blogs Wikis Live Documents Podcasts Video Sharing Social Bookmarking RSS feeds

12 What comes after Web 2.0??? Web 3.0: The Semantic Web. Web 3.0 suggests agents that can make intelligent decisions on behalf of a user.

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