Internet 101: What is the Internet?

1 Internet 101 what is the Internet ?4- *IntroductionPage 1It's no secret that more and more the Internet is becoming an integral part of our everyday lives. But if you are new to the online experience, it may be a bit overwhelming. You may be wondering, " what exactly is the Internet , and how does it work?"In this lesson, we will give a brief overview of the Internet , and we will talk about some fundamental concepts such as networks, servers, and Internet TodayPage 2In the early days, most people just used the Internet to search for information. Today's Internet is a constantly evolving tool, that not only contains an amazing variety of information, but also provides new ways of accessing, interacting and connecting with people and content.

2 As a result, new terms are constantly appearing as new technologies are introduced.!$> Click the buttons in the interactive below to learn about a few common terms that you might encounter online. 1998-2013 Goodwill Community Foundation, Inc. All rights *. VoIPBlogK EmailWeb feedStreaming Wikiominechat s O C j a | n e t w o r k i n gSocial bookmarking PodcastPage 3 what is the Internet ?The Internet is the largest com puter network in the world, connecting millions of computers. A network is a group of two or more computer systems linked are two main types of computer networks:v Local Area Network (LAN): A LAN is two or more connected computers sharing certain resources in a relatively small geographic location, often in the same building.

3 Examples include home networks and office networks. 1998-2013 Goodwill Community Foundation, Inc. All rights reserved. 1998-2013 Goodwill Community Foundation, Inc. All rights B K may have heard someone say something like "The server is down" or "We're having problems with the e-mail server." A server is a computer that "serves" many different computers in a network by running specialized software and storing information. For example, web pages are stored on you access a web page, your computer is acting as a client. A client runs familiar software such as web browsers or email software, and it communicates with the server to get the information it order for your browser to display a web page, it requests the data from the server where the page is stored.

4 The server processes the request, then sends the data to your browser, where it is peer-to-peer (P2P) networks, each computer acts as both a server and a client. Examples of P2P software include Skype and 5 The World Wide Web (WWW)When most people think of the Internet , the first thing they think about is the World Wide W eb. Nowadays, the terms " Internet " and "World Wide Web" are often used interchangeably but they're actually not the same The Internet is the physical network of computers all over the The World Wide Web is a virtual network of web sites connected by hyperlinks (or "links"). Web sites are stored on servers on the Internet , so the World Wide Web is a part of the backbone of the World Wide Web is made of HTML files, which are specially-formatted documents that can contain links, as well as images and other media.

5 All web browsers can read HTML files. In addition to HTML, it's also very common for websites to use technologies like CSS (Cascading Style Sheets) and JavaScript to do more advanced things.* * " n,, Vr i d t t i = V h t i g k i - i j -C l l i p c i n 9 = " 0 " c < ll f M d d i n g = * ( | ' b rd - id id ih - '1 5 V a llg t-'r ijlit x u N * vMik < ld tltyn * cfnlei"> <ir q nr=VI/Ung/ni/lty < 1 1 * 1 W f - * /l/ .f lf w l d t h - V h fig k l- ! di< td width "65%" ?''</U> fcA server with multiple clients 1998-2013 Goodwill Community Foundation, Inc. All rights *HTML codeURLTo get to a web page, you can type the URL (Uniform Resource Locator) in a browser.)

6 The URL, also known as the web address, tells the browser exactly where to find the page. However, most of the time, people get to a web page by following a link from a different page or by searching for the page with a search lQ 0 1 2 / 0 1 / 2 3 /m o b ile -d e v ic e -s a fe ty -fo r-k id s /An example of a URLThe World Wide Web was created in 1989 by Tim Berners-Lee, a software engineer. Before then, computers could communicate over the Internet , but there were no web you know?The foundation of the Internet began in 1969, when the US Department of Defense created ARPAnet, a project to allow military personnel to communicate with each other in an By 2012, the number of Internet users worldwide reached billion about one third of the world's To store all of the information on the Internet , you would need over 1 billion DVDs or 200 million Blu-ray discs.

7 1998-2013 Goodwill Community Foundation, Inc. All rights reserved. 1998-2013 Goodwill Community Foundation, Inc. All rights 5 * You S e a r c h Im a g o s M a p s P la y Y o u T u b e N ew * G m a il D riv e C a le n d a r M o re -G o g leoffice suppliesS ign inW ebIm a g e s M ap s S h o p p in g M o ra S e a rc h too lsA b o ut 3 8 9 ,0 0 0 .0 0 0 re su lts (0 .4 9 s e c o n d s)A d s re la te d to o ffic e s u p p lie s OShop Office S upply Peats 1 w w .o fficem ax c o n v O ffie e S u p p t iaa * 8 ,2 9 7 rev iew s to r offtoem ax .comB uy 3. S a v a 3 0 % O n O ffice S u p p lie s H urry. T h is Big D eal W ont Las**DYMO L a b a rw m a r 4 5 0 $ 9 9.

8 9 9F u e g o M ulU -F undion S u p e r T ask O ffic e C h air S i 5 fficeM ax B reck lan d High B ack E x ecu tiv e O ffic e $ 1 4 9 .9 9O ffice Supplies at QuilKS> 1 quill comw w wquiH c o m /O ffto e S u p p lie sO rd e r O ffic e S u p p lie s a t Quill . F a s t A n d F re e S h ip ping , N o NAnimum Save On Office Supplies I w w .reiaW o c o m /S u p p lie s8 u y Bulk O ffic e S u p p lie s 4 S a v e F a s t 4 F re a S h ip ping S h o p Now!S a v in g s To B o T hankful F r - Visit O u r H oliday S h o p W eek ly S p e c ia Office Products: Office supply, school supplies, & morew A w a m a ro n c o m o ffic e p ro d u c ts - s u p p lie s fu m itu ra/b T ie^U T F B.

9 A m a zo n .co m h a s o v e r 1 00 00 00 o ffic e p r o d u c ts for y o u r b u s in e ss . Low p ric e s o n ink. toner, p ap e r, p e n s, p e n o te , p rin ters, c a 'e o d a rs , p h o n e s , p rin ters. & m Supplies: Save on Office S upplies & Products at Office Depotw w w o ffic o d e p o t c o ^ /a to o w s e /o f f ic e supplie*J'N =5+1676<'S h o p O ffice D ep ot for o ffic e s u p p lie s a n d low p n e o s on p ro d u c ts y ou n eo d D e a ls on p ap e r, ink a n d s u p p le s . F re e d eW ery on qualifying o rd e rs o f $50?Map for office suppliesAda Discount Office Supplieswmw supplygee< <Tv'Q uality O ffic e S u p p lie s F o r L e re e S a p p in g O n $<45 O rd ers!

10 Discount Office Suppliesm v w z e fb e e .c o rrv O ffic e -S u p p N e s 701 rev iew s for z e rb o e .o o m Z e rb e e Is You r S u p p ly h o p O ffic e S u p p lio s A nd S av e!Office Supplies - 50% Offw w w sh o p le t cofrtfO ffica* S u p p lie s1 ,7 25 re v ie w s lor sh o p le t c o m H u g e S e lec tio n In S tock .F re e S h ip ping O v e r $ 4 5 . B uy Now!Using Google to search the web<6 W h a t's th e w e a th e r to d a y 99It ll be wet out Personal AssistantsIf you're using a mobile device, there are some situations where it's not convenient to type a search into a search engine. Instead, you can simply talk to your device's intelligent personal assistant.