THE INTERNET

https://www.youtube.com/watch?v=eZSPWDMn730(40 Years of the Internet )

What is the Internet? A system of computer networks that

are all connected to one another. Each network is made up of

computers all over the world that communicate with each other using the same language

Click on the ?

Local Area Networks (LANs) Ironwood

IronwoodServer

World WideWeb

Computer Lab 4Computer Lab 2

Computer Lab 1

Computer Lab 3

Wide Area Network(WAN)

Caterpillar

PeoriaHeadquarters

180 Countries Around

the world

Growth of the Internet 2.9 billion people use the Internet

today on a daily basis.

World Population = 7.1 Billion

How does the Internet Work? Comparable to the Interstate highway system.

Designed for high-speed travel (of data or cars)

There are a multitude of inputs and outputs (on-ramps and off-ramps) from smaller networks or smaller roadways.

Internet vs. Highway Greater the traffic, the slower everything moves;

just like a traffic jam on a highway

The Door

Internet vs. Highway Neither are controlled or owned by a single

entity, and provide a variety of routes to get from Point A to Point B.

Appear to be “free” to the users (although we

pay indirectly with our tax dollars)

Difference Between Internet & Highway The Internet is global; it encompasses the

world through networks that are connected through telephone systems, satellites, and high-speed data lines; and its speed is not affected by distance.

Internet History The United States Military (United States

Department of Defense) created the internet in 1969.

Internet History Until the 1990’s the Internet was used

primarily for research, education, and military purposes.

Social Media Revolution

World Wide Web Started in 1989

A system of interconnected information (text, images, pictures and sounds) that can be linked and accessed anywhere in the world.

The primary web page for an individual or an organization is called a homepage.

Hyperlinks are connections between two documents. Hyperlinks can be icons, colored text, or buttons. (The pointer changes to a hand.)

World Wide WebThe Web is accessed through a browserInternet Explorer, Firefox, and Google

Chrome are types of browsers

World Wide WebThere are three parts to an Internet address:

(1) www (2) organization, and (3) domain.

Common Domains .com (commercial) .edu (educational) .mil (military) .int (international) .net (network) .org (organization) .gov (government)

In 2012, even more domains began popping up: .ink (tattooing) .bargains (coupons) .house (real estate) .menu (restaurants) .mobi (mobile devices)

Search Engines Search engines are programs that allow you

to search for other web pages by typing in key words.

Popular search engines are:

YahooGoogleAskBingMany others

Test Your Skills What small Illinois town did the Chicago

Bears play in up until 1921? What was the team named?

Decatur Staleys

Test Your Skills Where was the birthplace of Abraham

Lincoln? City, State, and Date

Hardin County, KY,February 12, 1809.

WHAT YEAR WAS THE LEGO COMPANY FOUNDED?

1932