2 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)
3 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 , online chat, file transfer, and the interlinked Web pages and other documents of the World Wide Web.
4 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 InternetThe Internet is a collection of interconnected computer networksThe Web is a collection of interconnected documents, linked by hyperlinks and URLs.
5 What is a Network?Network - two or more computers that are connected for the purpose of sharing informationLANA 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.WANA 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.
6 What is ARPANET?First network developed in early ’60’s and ’70’s by scientists and military expertsAllowed them to share information and research data over long distancesAn experimental network designed to see how well distributed networks work
7 Connecting to the Internet Modem - A MO-dulator DE-Modulator.Converts digital information to analog and analog to digital.Analoglike sound wavesDigitalsignal in 1s and 0sTypes 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 speedCable Modem - designed to modulate a data signal over cable television
8 Analog & Digital Information Analog - Like sound waves, a computer cannot read them.Digital - 1s and 0s. Computer Language
9 What is an ISP? Internet Service Provider ISPs Comcast AOL A service company that provides a user with an account on a host computer to have access to the InternetISPsComcastAOLMSNNetzeroEarthlinkQwestPeople PC
13 The Parts of a Browser Title Bar Shows the title of the open Web Page and the name of the Browsers.
14 More parts of a Browser Tabs: Instant Search Box View multiple sites in a single browser windowInstant Search Boxallows a quick search of the Internet
15 More parts of a Browser Status Bar Shows the progress and loading status of the website
16 More parts of a Browser Toolbar Favorites Shows the icons for moving around the Web Page.Favoritesadd favorite websites or sites you frequently visit
17 Toolbar & Buttons Home Print Page and Tools icons Quickly takes your back to your default homepagePrintPrint the website you are viewingPage and Tools iconsAllows access to additional options such as toolbars, history, etc.
18 Where is the Webpage?The webpage come after the toolbar and it is the information is located
19 Uniform Resource Locator URL – Uniform Resource Locator.A URL can be thought of as the address of a web pageParts of a URLTransfer Protocol Filename Domain Name
20 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 address
21 Some common domains…. .COM -- Commercial .EDU -- Educational .NET -- Network.GOV -- Government.ORG – Non-Profit Organizations.INT -- International.MIL -- Military
22 Navigating the Internet Search 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
23 Common Internet TermsSurfing - the term we use when exploring the InternetHit - the term used when you connect to the page you are looking forLink - allows you to jump from one site to another- the type of mail sent over the internetChatting - talking with someone on the internet. Often called Instant Messaging
24 Internet Language & Communication HyperText 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
25 HTTP HyperText Transfer Protocol The transmission standard used to send an HTML document across the WWWEnsures reliable connections between many different computer typesA common set of standards that ensures all computers connected to the Internet will have common ground on which to work
26 The Internet & You Netiquette - 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
27 What is Shareware?Software that you can obtain for free on a trial basisMay require some payment for continued use
28 What is Freeware? Software that is distributed at no cost to the user The author maintains the copyrightBasically: Software that is copyrighted but can be used freely
29 What is Public Domain? Software that is NOT copyrighted It can be copied or used freelyBasically: Public Property
30 Pop-ups Pop-ups - Unwanted advertisements on the web Pop-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.
31 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
32 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.
33 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 networkYou have signed a contract to take care of the computer equipment – No exceptions!