Internet Desc

1. The InternetThe Internet

2. What is the Internet?What is the Internet?
 A world-wide network of computers allowsA world-wide network of computers allows
people to share information electronicallypeople to share information electronically
 Like a BIG book with many web-pages onLike a BIG book with many web-pages on
different topicsdifferent topics
 Can be accessed anywhere with anCan be accessed anywhere with an
Internet connectionInternet connection

3. Why use the Internet?Why use the Internet?
 Apply for jobs or schoolsApply for jobs or schools
 Fill out government formsFill out government forms
 Check bank accountsCheck bank accounts
 Communicate with family,Communicate with family,
friends and co-workersfriends and co-workers
 Do researchDo research
 Learn new skillsLearn new skills
 Read newsRead news
 Watch videosWatch videos

4. What is an Internet ServiceWhat is an Internet Service
Provider?Provider?
 A company that provides Internet accessA company that provides Internet access
for customersfor customers
(examples: Comcast, Qwest, AOL)(examples: Comcast, Qwest, AOL)
 Your computer connects to the InternetYour computer connects to the Internet
Service Provider (ISP), then to the InternetService Provider (ISP), then to the Internet
Your computer InternetISP

5. How to connect to the InternetHow to connect to the Internet
 Three main ways to connect to theThree main ways to connect to the
InternetInternet
 Dial-UpDial-Up
 High Speed/DSLHigh Speed/DSL
 Wireless Connection (Wi-Fi)Wireless Connection (Wi-Fi)

6. Dial-Up Internet ConnectionDial-Up Internet Connection
 Dial-UpDial-Up
 All you need is a computer, phone-line and Internet
Service Provider! (ISP)
 Not as fast as other Internet connections,
but often more affordable
ISP
Internet
Your computer Landline

7. High Speed (Cable/DSL) InternetHigh Speed (Cable/DSL) Internet
ConnectionConnection
 Travels through fiber-optic cablesTravels through fiber-optic cables
undergroundunderground
 Needs to be connected by a Modem toNeeds to be connected by a Modem to
your computeryour computer
– Modem: A hub that connects theModem: A hub that connects the
computer to the Internetcomputer to the Internet
 Faster than Dial-upFaster than Dial-up

8. Wireless Internet Connection
(Wi-Fi)
 Your computer must be aYour computer must be a
“Wireless enabled”“Wireless enabled”
devicedevice
 Your computer can pickYour computer can pick
up signals from differentup signals from different
wireless networkswireless networks
 Some networks requireSome networks require
passwords or apasswords or a
subscription, others aresubscription, others are
freefree
This is what theThis is what the
wireless symbolwireless symbol
would look like ifwould look like if
your computeryour computer
was connectedwas connected

9. Web BrowserWeb Browser
A web-based program that displays the InternetA web-based program that displays the Internet
Common Web BrowsersCommon Web Browsers
 Safari: for Apples/MacintoshSafari: for Apples/Macintosh
 Internet Explorer: for Windows onlyInternet Explorer: for Windows only

10. Other Web BrowsersOther Web Browsers
 Google Chrome: created by GoogleGoogle Chrome: created by Google
 Mozilla Firefox: works on Mac & PCMozilla Firefox: works on Mac & PC