3.2.2.1 Web Browser

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3.0 INTERNET TECHNOLOGY

3.2 THE INTERNET3.2.2 World Wide Web

3.2.2.1 Web Browser

LEARNING OUTCOMES:

At the end of the lesson,students should be able to:

1.Explain the purpose of WebBrowser.2.List examples of Web

Browser.3.Identify the components ofWeb Address

3.2.2.2 Web Address

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3.2.2 World Wide Web


What is

World Wide Web?

Is a service of the internet. Consists of a worldwide

collection of electronicdocuments, images that

commonly viewed when surfing(Web pages)

3.2.2.1 Web Browser

A Web siteis a collection of related Web pages

and associated items.

A Web server is a computer that delivers requestedWeb pages to your computer.

Web 2.0

Refer to web sites that provide a meansfor users to interact.

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Definition of web browser:A software application usedto locate and display Web

pages and Web 2.0programs.

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Example of Web Browser


InternetExplorer

GoogleChrome Firefox Opera Safari

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1.the tools we use to navigatethe web.

2.they connect to servers acrossthe world, download the datawe want, and then translate itinto a visible image.

3.to search for specificinformation, including text,

pictures, music and video.4.to share personal information( such as social networkingwebsite)

5.allow users to modify the

website content(blog)

3.2.2.1 Web Browser

The purpose of web browser

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Microbrowser is a web browser designed

for use on a mobile devicesuch as a mobile phone orPDA.

Also call as MobileBrowser or mini browser.

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A Web page has a uniqueaddress called a URL or

Web addressURL Uniform Resource

LocatorURL are the addresses

usedto locate the files.

Example:http://www.facebook.comhttp://www.moe.gov.my/bmkpm/http://kids.nationalgeographic.comftp://rtfm.mit.edu/pub/A directory of files at MIT available fordownloading.

3.2.2.2 Web Address
http://www.facebook.com/http://www.moe.gov.my/bmkpm/http://kids.nationalgeographic.com/kidsftp://rtfm.mit.edu/pub/ftp://rtfm.mit.edu/pub/http://kids.nationalgeographic.com/kidshttp://www.moe.gov.my/bmkpm/http://www.facebook.com/

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3.2.2.2 Web Address

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Web address consists of :

Protocol, domain name, path and web page name

3.2.2.2 Web Address

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3.2.2.2 Web Address

Components of webaddress:Protocol,domain name,pathweb page name

Example:http://www.pcwebopedia.com/index.html

http: Hypertext Transfer

Protocol, the method by whichHTML files are transferred overthe WebDomain name: are used inURLs to identify particular Webpages

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3.2.2.2 Web Address


Every domain name has a suffixthat indicates which top leveldomain (TLD) it belongs to. Thereare only a limited number of such

domains. For example:gov - Government agenciesedu - Educational institutionsorg - Organizations (nonprofit)mil - Militarycom - commercial businessnet - Network organizationsmy - Malaysiasg Singapore

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3.2.2.2 Web Address


-The Internet is based on IPaddresses, not domain names.-every Web server requires aDomain Name System (DNS)

server to translate domain namesinto IP addresses.

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3.2.2.2 Web AddressTo save time, users can

create bookmarks for

their frequently visitedweb pages.

Bookmark or Favouriteis a saved web address

that a user can accessto it by clicking itsname in the list.

Bookmark

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3.2 THE INTERNET3.2.2 World Wide Web

3.2.2.3 Web Page Navigation

LEARNING OUTCOMES:

At the end of the lesson,students should be able to:

1. Identify different ways of

navigation3.2.2.4 Information

Searching

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3.2.2.4 Web PageNavigation

Navigation is movementfrom one

Web page to another Webpage.

Navigating Web PagesMost web pages contain

hypertext or hypermedialinks.

HypertextLinks in text-based

documentsHypermedia

Combines text-based

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Surfing the webThe activity of using links

to explore the webA link

Can be text or an image.Text links

May be underlined and/ordisplayed in a color

different from other texton the page

The color of the link willchange once the link has

been visited.

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Most current webbrowsers supporttabbed browsing

Tabbed browsingallows you to openand view multipleWeb pages in a

single Web browser

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Example of tabbedbrowsing and links

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Example of tabbedbrowsing and links

3.2.2.1 Web Browser

Documents

Transcript of 3.2.2.1 Web Browser