1. Seek It- Lesson 2

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

3. 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.

4. Think of URLs as street addresses for the Internet.
The general syntax for a URL is:
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

5. Different Types of Web sites
Domain names represent an Internet Protocol or IP address.
Since an IP address is a very long string of numbers, the domain name is easier for people to remember

6. 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

7. .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

8. 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.