Seek It- Lesson 2.

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Presentation transcript:

Seek It- Lesson 2

Seek It- Lesson 2 Objectives: Describe how URLs are constructed Identify the purpose of Domain Names

What is a URL? Uniform Resource Locator (URL) is a unique address so that any computer can locate information stored on any Web server. Think of URLs as street addresses for the Internet.

Think of URLs as street addresses for the Internet. The general syntax for a URL is: http://www.mydomain.com/foldername/filename.html protocol host location Protocol- the language computers use to “talk” to one another Host- identifies the resource (network drive, computer, web page) Location- identifies where to find a resource on the host

Different Types of Web sites http://69.147.76.15 Domain names represent an Internet Protocol or IP address. http://www.mydomain.com/foldername/filename.html Since an IP address is a very long string of numbers, the domain name is easier for people to remember

Most American servers use .com which stands for commercial Domain Extensions The domain extension is an easy way to classify and identify who controls the web resource. .com .au co.jp Most American servers use .com which stands for commercial Australia uses .au Japan uses co.jp

.edu .net .com .gov .org .mil Domain Extensions Can you guess what common domain extensions stand for? .edu .net .com Higher Education Computer Network Commercial .gov .org .mil Have students guess the answers before revealing. Government Agency General Noncommercial Organization Military

Seek It- Lesson 2 Summary: URL: Stands for Uniform Resource Locator A unique address for a web page Identifies the domain name or network computer of the web site Identifies the location of the folders and files on the web site The extension classifies the type of web site. For example, all U.S. government web sites all have the extension .gov.