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The Internet: Defined and Explained

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How to Search the Web

findingDulcinea’s Guide teaches you how to find anything you are looking for on the Web, and will direct you to more Web sites to help you in any search. It will make you a smarter searcher, whatever you are looking for. For foreign-language versions of this guide, see the links under "More Guides..." on the right.

The Internet: Defined and Explained

Understanding the technological underpinnings of the Internet and the World Wide Web will enhance your online experience. If you know how the Web works, you can use it to your advantage. For example, understanding the process a search engine goes through to retrieve your results will help you search more effectively. Use the following resources to gain an understanding of the Web as you begin to delve into it for your own research.

Dulcinea's Insight

  • The Internet itself is a worldwide network of interconnected computers that allows users to access and transfer information remotely. The information viewed on the Net is actually not on the Net at all, but rather on other computers, and viewed via the Net. A useful analogy would be to think of the Internet as a phone network: Just as a telephone provides people with the ability to contact distant locations and exchange information verbally, the Internet allows users to contact faraway locations and exchange information electronically.
  • The physical composition of the Internet is the system of wires, fiber-optic cables, routers, and circuits that make this connection possible. Many people view the Internet as an abstract body of information floating around in “cyberspace.” This is not the case at all. The Internet is a worldwide network of computer networks, and the information accessed resides on the connected computers themselves.
  • The most popular service accessed through the Internet is the World Wide Web (WWW). The Web and the Net are often considered to be synonymous but actually represent two different things. Whereas the Internet is the means for accessing information, the Web is composed of the visual display of the information being accessed. Web pages are collections of files and documents stored on computers around the world, formatted in a programming language called HTML (hypertext markup language). This permits users to move between them by clicking on highlighted areas, called hyperlinks, or links for short. The Web is navigated using a technology called hypertext. Hypertext is a name for documents containing embedded pathways that, when clicked, direct users to other documents. These “links” can come in the form of words, phrases, icons, or graphics, and create interconnectedness between files and documents, giving character to the image of the World Wide Web, as a “web.”
  • A Web Browser is a computer program that allows users to access the Internet and view information on the Web. They accomplish this by interpreting HTML files, and displaying them as “pages” on a user’s computer. Browsers are designed to facilitate an ease of navigation through the Web’s pages, by taking advantage of its many benefits afforded by hypertext. Popular browsers include Internet Explorer, Firefox, Safari, and Netscape. Browsers with the proper “plug-ins” (software upgrades that permit users to open specific file types) allow users to: view documents, watch videos, listen to audio files, chat with other users, play games, and watch animations. Glossaries, such as Webopedia, and UC Berkeley are good reference tools when you encounter unfamiliar terms and concepts related to the Web or Internet in your research.

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