Where Did It All Begin?The World Wide Web began at CERN in

Geneva, SwitzerlandIn one of the largest scientific laboratories in

the world. The laboratory was called CERN (Counseil

European Pour la Recherche Nucleaire – European Laboratory for Particle Physics)

What is the Internet?The Internet is the worldwide, publicly

accessible network of interconnected computer networks that transmit data by packet switching.

It is a "network of networks" that consists of millions of smaller domestic, academic, business, and government networks, which together carry various information and services, such as email, online chat, file transfer, and the interlinked Web pages and other documents of the World Wide Web.

What does WWW stand for?WWW = World Wide Web

The Internet and the World Wide Web are not synonymous: Web is actually something that is available via the Internet The Internet is a collection of interconnected

computer networks The Web is a collection of interconnected

documents, linked by hyperlinks and URLs.

What is a Network?Network - two or more computers that are

connected for the purpose of sharing information

LANA local area network (LAN) is a computer network covering a

small area, like a home, office, or small group of buildings.Computers that are near each other.

WAN A wide area network or WAN is a computer network covering

a broad geographical area. The most well-known example of a WAN is the Internet.

What is ARPANET?First network developed in early ’60’s and

’70’s by scientists and military experts

Allowed them to share information and research data over long distances

An experimental network designed to see how well distributed networks work

Connecting to the InternetModem - A MO-dulator DE-Modulator.

Converts digital information to analog and analog to digital. Analoglike sound waves Digitalsignal in 1s and 0s

Types of ModemsTelephone - designed to modulate a data signal

over the telephoneDSL - designed to modulate a data signal over the

telephone using new technology to increase transmission speed

Cable Modem - designed to modulate a data signal over cable television

Analog & Digital InformationAnalog - Like sound waves, a computer

cannot read them.

Digital - 1s and 0s. Computer Language

What is an ISP?Internet Service

ProviderA service company

that provides a user with an account on a host computer to have access to the Internet

ISPs Comcast AOL MSN Netzero Earthlink Qwest People PC

How do you get around?

What is a Browser?Software which allows you to view

information and Web Pages on the WWW

Different browsers can have radically different capabilities and limitations

Viewing the InternetTypes of Browsers

The Parts of a Browser Title Bar

Shows the title of the open Web Page and the name of the Browsers.

More parts of a BrowserTabs:

View multiple sites in a single browser window

Instant Search Box allows a quick search of the Internet

More parts of a BrowserStatus Bar

Shows the progress and loading status of the website

More parts of a BrowserToolbar

Shows the icons for moving around the Web Page.

Favoritesadd favorite websites or sites you frequently visit

Toolbar & ButtonsHome

Quickly takes your back to your default homepage

PrintPrint the website you are viewing

Page and Tools iconsAllows access to additional options such as

toolbars, history, etc.

Where is the Webpage?The webpage come after the toolbar and it is

the information is located

Uniform Resource LocatorURL – Uniform Resource Locator.

A URL can be thought of as the address of a web page

Parts of a URL

Transfer Protocol Filename Domain Name

What is a domain?The group that website or email address

belongs to.It tells where the address is located i.e. .com;

.edu; .govThe name that is to the right of the last dot in

the Internet addresswww.yahoo.comjostudent@comcast.net

Some common domains…..COM -- Commercial.EDU -- Educational.NET -- Network.GOV -- Government.ORG – Non-Profit

Organizations.INT -- International.MIL -- Military

Navigating the InternetSearch Engine - is a program designed to help

find information on the World Wide Web, They locate and isolate desired information by

searching for keywords that the user specifies.

Examples of Search EnginesGoogleYahooMSNAsk JeevesDog Pile

Common Internet TermsSurfing - the term we use when exploring the

Internet

Hit - the term used when you connect to the page you are looking for

Link - allows you to jump from one site to another

Email - the type of mail sent over the internet

Chatting - talking with someone on the internet. Often called Instant Messaging

Internet Language & CommunicationHyperText Markup Language (HTML)

The coding scheme used to format text for use in developing Web Pages on the WWW <b> <p> <img src=HTTP://www.sony.com> <a href=HTTP://www.sony.com

HTTPHyperText Transfer Protocol

The transmission standard used to send an HTML document across the WWW

Ensures reliable connections between many different computer types

A common set of standards that ensures all computers connected to the Internet will have common ground on which to work

The Internet & YouNetiquette - the rules of behavior on the

internet

Privacy - There is NO privacy on the Internet. All visits to websites are tracked using cookies and logsPasswords can help protect your information

on the Internet

What is Shareware?Software that you can obtain for free on a

trial basis

May require some payment for continued use

What is Freeware?Software that is distributed at no cost to the

user

The author maintains the copyright

Basically: Software that is copyrighted but can be used freely

What is Public Domain?Software that is NOT copyrightedIt can be copied or used freelyBasically: Public Property

Pop-upsPop-ups - Unwanted advertisements on the

webPop-ups usually come from downloading “free”

software. Some companies give you software for free as

long as they can put SPYWARE on your computer and monitor where you go on the internet.

What Are Firewalls?A Hardware or software blocking mechanism

that block unauthorized intruders into a computer systemBlocks potential hackers from your invading

your computer or your network. 

Any computer that is connected to the internet should have a firewall

Other Internet StuffUser Friendly – A term used when a program

or website can be used with ease by people who have little or no computer experience.

Acceptable Use PolicyAn Acceptable Use Policy (AUP; also

sometimes acceptable usage policy) is a set of rules which outline the ways in which the network may be used.

You all signed and AUP in order to gain access to the school network

You have signed a contract to take care of the

computer equipment – No exceptions!