Principles of Information Technology Basic Internet Functions Copyright © Texas Education Agency, 2013.

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Presentation transcript:

Principles of Information Technology Basic Internet Functions Copyright © Texas Education Agency, 2013

What is the Internet? The Internet is a system of interconnected computer networks that use standard communications protocols. Copyright © Texas Education Agency, 2013

Before the Internet The Internet was launched to the public in Prior to 1991, people had to physically go the library to perform research. College students spent hours and hours in the library to find information that we now can find by clicking a few times on the Internet. Can you imagine actually going to the library? Copyright © Texas Education Agency, 2013

How to get the Internet ISP Internet Service Provider A company who provides access to the Internet Examples Companies that provide Wireless services Phone providers Cable providers Hot Spot A Place/Spot that offers Internet wirelessly Examples Fast food places Bookstores Coffee shops Some restaurants Copyright © Texas Education Agency, 2013

Accessing the Internet Web Browsers Software applications used to locate and display the Internet There are many examples of Internet browsers Each web browser performs the same duties, but different people have a preference regarding which browser to use. Copyright © Texas Education Agency, 2013

All about the Internet Copyright © Texas Education Agency, 2013 ADDRESS BAR

All about the Internet Double click on your web browser to access the Internet. Your homepage will automatically appear The page that automatically comes up when you start your web browser is your homepage. Once you open the Internet, type your URL address in the address bar. URL—Uniformed Resource Locator Example: Your website should now be accessible. Copyright © Texas Education Agency, 2013

Parts of a URL Copyright © Texas Education Agency, www. unt. edu/ PROTOCOL LOCATION OF THE SITE NAME OF THE ORGANIZATION EXTENSIONS

Extensions Suffixes at the end of the URL that tell you what type of site you are visiting.com _____ COMMERCIAL.edu _____ EDUCATIONAL INSTITUTION.gov _____ GOVERNMENT.mil _____ MILITARY.net _____ NETWORK.org _____ ORGANIZATION Copyright © Texas Education Agency, 2013

Uses of the Internet Perform Research Play Games Network Socialize Make video calls Copyright © Texas Education Agency, 2013

How to Use a Search Engine When using a search engine, type in keywords. Keywords are short important words used in search engines. They narrow down the search. The results of a search are called hits. Copyright © Texas Education Agency, 2013

Let’s Practice Using Search Engines Open a web browser. Type your favorite search engine in the address bar. The search engine should pop up. In the search bar, type the following: Cracking knuckles problem Notice that we did not type in a question…just the keywords. The lists that appear are called hits. We will now find out if cracking your knuckles is a problem. Copyright © Texas Education Agency, 2013

Things to know about the Internet Websites have underlined links and linked photos called hyperlinks. Hyperlinks take you to another page on the Internet. Favorites Has a star icon and allows you to save your favorite sites Copyright © Texas Education Agency, 2013

LET’S BROWSE THE INTERNET

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