1. History of the Internet
Mrs. Moraes
Poquessing Middle School

2. 1957 Russia Launches 1st Satellite into Space - Sputnik

3. Sputnik was a HUGE surprise to the U.S.—left us in shock

4. President Dwight Eisenhower Responds to Sputnik
School curriculums changed to emphasize math and science
Advanced Research Projects Agency created in 1958
Make the U.S. Dept. of Defense more high-level and technology based
NASA was created
The “Space Race” against the Soviets begins

5. Advanced Research Projects Agency
1969
Created a state-of-the-art, early-warning network to guard against Soviet nuclear bomber attack.
Named APRANET
Released to the public in 1989 and renamed Internet.

6. So--Who created the Internet?
U.S. Government
Dept. of Defense
1st called ARPANET

7. What is the Internet?
Largest computer network in the world connecting millions of computers.
In 2009, there were over 1.7 billion Internet users. This is over ¼ of the world’s population.
Wow!

8. Who is in charge of the Internet?
Nobody.
There is no direct authority of the Internet.
If something online is illegal,
It is up to someone to report it to the website owner
or their local police.

9. World Wide Web (WWW) Most common system we use to access the Internet
A part of the Internet
The most popular part of the Internet

10. Is the Internet the same thing as the www?
No the World Wide Web (www) is a part of the Internet. It is the biggest part of the Internet and the most known but there are other parts of the Internet (see the next slide).
World Wide Web

11. What else can the Internet do then?
Peer-to-peer file sharing
Virtual private networks
Encrypted financial transactions
Internet phones (Vonage)
Instant messaging (like AIM)
Some integrate with the web to a greater or lesser degree.

12. How do you get on the Internet:
ISP—Internet Service Provider
A company that connects you to the internet usually for a monthly fee
Comcast AT & T
Verizon Earthlink
Internet Browser
A software program that lets you view www documents
Internet Explorer
Safari
Mozilla Firefox
Modem
A device that allows computers to connect and send data to each other.
Dial Up (outdated)
High Speed
Cable
DSL
Tethering (using your cell phone as a modem)
Mobile Modems (AirCards)
Wireless Network Adapter
Satellite

13. Understanding Internet Addresses
A web address is also known as a
URL – Uniform Resource Locator
How many URLs are there? Over 1,000,000,000,000

14. How to Read a URL (Uniform Resource Locator)
World Wide Web
Hypertext Transfer
Protocol—the language computers use to talk to web servers
Domain Name—personal address of the website
Domain Extension—can tell you a lot about the owner of the site

15. Domain Extensions—they tell a lot
.com = commercial
.gov = government
.edu = educational
.info = information
*usually spam or for
marketing
.org = organization
.net = network
.biz = small business
.tv=multimedia/entertainment
.mil = military
.co = company (in the United Kingdom)
.mobi = mobile
.sch = schools outside of the U.S.
.k12 = U.S. schools
.ac = academics not in the U.S.
Country Extensions
.uk = United Kingdom
.ca = Canada
.fr = France
.us = United States
.bz = Belize
Also used when
.biz is already
taken

16. professional-looking
Evaluating a Web Page
Check for posting/editing dates
Look for contact information
Google the author
Is the URL related/relevant?
Is there an “About” page?
professional-looking
Don’t let a
page fool you into
accepting all of it’s
Information as fact!

17. Which sites are NOT real?

18. Search Engine . . .
A program that searches documents on the web for keywords
Google
Yahoo
Chacha
Bing
Ask

19. Hyperlinks . . .
Take you to another place in the document or to a different web page when clicked on

20. ing is . . .
Sending and receiving messages over the Internet.

21. Blogs are . . . Short for “web logs”
Regularly updated personal journal published on the web

22. Downloading is . . .
Transferring files from another computer to your own

23. Uploading is . . .
Transferring files from your computer to a web server

24. Cookies . . .
Computer files containing personal information about a user. These cookies are automatically stored each time you fill out a form about yourself and then they are sent to a central computer anytime it requests them.
DELETE cookies often!
(Tools, Delete Browsing History)