Download Basic Internet Functions

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
1991.
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
ADDRESS BAR
Copyright © Texas Education Agency, 2013
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: http://www.unt.edu/

Your website should now be accessible.
Copyright © Texas Education Agency, 2013
Parts of a URL
http://
www.
PROTOCOL
LOCATION
OF THE
SITE
unt.
NAME OF THE
ORGANIZATION
edu/
EXTENSIONS
Copyright © Texas Education Agency, 2013
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
Email
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
Copyright © Texas Education Agency, 2013
problem.
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
Copyright © Texas Education Agency, 2013