Going OnlineGoing Online

Lejla Gacevic 722Lejla Gacevic 722

InternetInternet

• The internet is a gigantic computer network that connects computers across the world.

• It has changed the way people communicate, work and have fun.

World Wide WebWorld Wide Web

• The web is part of the internet. It is a way of accessing the information, services and websites available through the internet.

The Internet And The Web Are Not The Internet And The Web Are Not The Same Thing The Same Thing

• If you think of the internet as a highway, then think of the web as a car that takes you from place to place.

What Is A Website?What Is A Website?

• A website is a specific location on the web that contains a collection of related files and resources by a persons, group or organization. A website is made up of individual web pages called subpages.

Uniform Resource Locator Or URLUniform Resource Locator Or URL

• Just as every home or business has it own address, every web site has it own address that no other site can use.Each web page in a site has its own address just like every page in a book has its own number.

Extensions Extensions

• The three letter extension at the end of a domain name can tell you a lot about the type of web site you are visiting

Common URL ExtensionsCommon URL Extensions

Common URL Extensionsss

.com Commercial of for non profit www.dell.com

.edu Educational institution www.harvard.edu

.gov Us government organization www.firstgov.gov

.org Professional or non profit organization

www.redcross.org

Getting ConnectedGetting Connected

• You need four things to connect to the internet– Computer– Internet Service provider– Modem – Communication Software such as browser,

email software and software that lets your computer connect to another network.

– Modem

Responsibilities Of A Internet Responsibilities Of A Internet Service Provider Service Provider

– Maintains equipment– Provides customer service – Protects the network

ModemModem

• A modem is a device that lets your computer send data to and receive data from other computers or networks

Types of modemsTypes of modems

• Telephone or dial up- the slowest type of modem uses your phone line

• DSL (digital subscriber line)-DSL modem uses your phone line to provide high speed internet 100 times faster then telephone modem

• Cable-Cable tv lines to supply high speed internet always on 20-100 times faster than telephone line.

Web BrowserWeb Browser

• A web browser is a software program that lets you surf the web and interact with web sites. The most popular are internet explorer and Mozilla Firefox

EmailEmail

• Electronic mail is another way to share information over the internet

–Easy to access

–Easy to use

–Easy to track

NetiquetteNetiquette

• Netiquette is good manners in Electronic communication

SpamSpam

• Spam is like junk mail. It is sent to many email accounts at once. Its purpose is to get you to buy something

• To avoid spam, do not open email from an unfamiliar email address. Do not post your email address on a public site.

Be Safe On The InternetBe Safe On The Internet

• Do not believe everything that you read

• Always evaluate a site before you use information from it

A Good Website Should Be… A Good Website Should Be…

– Relevant- relate to your topic – Reliable- search for the sites creator– Recent- is the information up to date – Verifiable- do other sources give you the

same information?

Internet SafetyInternet Safety

• There is a lot of personal information on the internet that is meant to be private and confidential such as:

• Your school

• Credit card numbers

• Banking information

FirewallFirewall

• A firewall is a hardware or software that protects a computer from intruders

Protect You Privacy OnlineProtect You Privacy Online

• Never give out personal information

• If you do give out information make sure you know who you are giving it to

• Never give out social security number

• Use different usernames and passwords for different sites