internet and search engine

Deepak John

Department Of I.T

CE-Poonjar

hat is INTERNET ?

hy do we need INTERNET

orld Wide Web,Web browser, URL,Web Site.

ow to access internet

ow to bookmark websites

rvices provided by Internet.

largest network which connects the computer networks around the.arrangement of connecting two or more computers is called auter network

WHY DO WE NEED INTERNETFor getting and sharing information•Education•Communication•Medical•Entertainment•Etc

a system of interlinked hypertext documents accessed viaInternet.

Most important service provided by Internet.n internet-based hypermedia initiative for global informationaring.

WEB BROWSERis a software application used to enable computer users to ocate and access web pages.

some familiar common web browsers:

.Mozilla FireFox

.Netscape Navigator

.Microsoft Internet Explorer

also known as web address, is a specific character string that constitutes reference to a resource.

“Address” of a file on the Internet

the URL of a web page is displayed on top inside an address bar.

Exampleshttp://www.cep.ac.inhttp://www.cusat.ac.inhttp://keralapsc.org

UNIFORM RESOURCE LOCATOR

is a set of related web pages served from a single web domain.A website is hosted on at least one web server, accessible via network such as the Internet or a private local area

network through an Internet address known as a Uniform Resource Locator.All publicly accessible websites collectively constitute he World Wide Web.

HOW TO ACCESS INTERNET.Check the internet connection

.If the connection is available ,open a browser and enter the web address

HOW TO BOOKMARK WEBSITESnd a Web page you want to save.

While you're viewing it, open the Bookmarks menu

lick Add Bookmarks

create a bookmark, click on the star icon in the Location The star will turn yellow and a bookmark for the page you're on

be created in the Unsorted Bookmarks folder. That's it!

Electronic Mail (e-mail)World Wide WebInternet TelephoneNews Groups

hat is the relationship between the web and the Internet?he Internet contains physical componentsmputerstworksrvices

he Internet connects thousands of computers across the world,it is the web that allows communication to occureb - abstraction and common set of services on top of theerneteb - set of protocols and tools that let us share information withh other

SESSION 2-OBJECTIVES

What is Search Engine ?

How to Choose Search Engine.

How to use Search Engines and save pages to a file.

How do you search images from internet and save it to a folder?

Search tips and Tricks

Specialized Search Engines

esigned to assist you in searching through the enormousount of information on the Webch engine is a large database which utilizes different search

hniques and tools to build indexes to the Internet.x:Google,Bing,Yahoo,Ask,Altavista

nsider

ize of the databaseurrency of the database (updates)earch interfaceelp screensearch featuresesults listed (number of documents retrieved)elevance of results

W TO USE SEARCH ENGINES AND SAVE GES TO A FILE.

Open a web browserEnter the web address of any search engineThen enter the item that you want to searchIf you want to save the desired result in to a folder or file use the toolbar that provided in the browser and save

W DO YOU SEARCH IMAGES FROM ERNET AND SAVE IT TO A FOLDER?

SEARCH TIPS AND TRICKS.Be Specific.Search by specific file type and extension

Ex: Syntax: time in PLACEebooks -freebash examples OR programs

define: Search Engine

sqrt(10)

kg in pound

SPECIALIZED SEARCH ENGINES ialized Search Engines are the tools which help searching more specific

mation unlike general purpose search engines .

www.soople.com

UBJECT-SPECIFIC SEARCH NGINESnot index entire webus within specific Websites/pages within defined subject area,raphical area, type of resource

mpaniesmpanies Online (http://www.companiesonline.com/)

ver's Online (http://www.hoovers.com/)l Street Research Net (http://www.wsrn.com/)

le (E-mail and Phone)foot (http://bigfoot.com/)oWhere? (http://www.whowhere.lycos.com)oo! People Search (http://people.yahoo.com/)tchboard.Com (http://www.switchboard.com)gesAmazing Picture Machine (http://www.ncrtec.org/picture.htm)os Image Gallery (http://www.lycos.com/picturethis/)bSeek (http://disney.ctr.columbia.edu/webseek/)oo! Image Surfer (http://ipix.yahoo.com/)

stjobs.com (http://www.hotjobs.com/)

onster.com (http://www.monster.com/)e Riley Guide (http://www.rileyguide.com/)mesNET Gamecenter.com (http://www.gamecenter.com/)mes Domain (http://www.gamesdomain.com/)mesmania (http://www.gamesmania.com/)meSpot (http://www.gamespot.com/)twarembo (http://www.jumbo.com)areware.com (http://www.shareware.com)Net Downloads (http://www.zdnet.com/downloads/)

alth/Medicinehoo (http://www.achoo.com/)oMedNet (http://www.bmn.com/)mbined Health Information Database p://chid.nih.gov/)ayo Clinic Health Oasis (http://www.mayohealth.org/)dical World Search (http://www.mwsearch.com/)Health (http://www.onhealth.com)

Education/Children's SitesAOL NetFind Kids Only (http://www.aol.com/netfind/kids/)Blue Web'n (http://www.kn.pacbell.com/wired/bluewebn/)Education World (http://www.education-world.com/)Kid Info (http://www.kidinfo.com/)Kids Domain (http://www.kidsdomain.com)KidsClick! (http://sunsite.berkeley.edu/KidsClick!/)Yahooligans! (http://www.yahooligans.com)