WORLD WIDE WEB

WEB BROWSER

- Example :  

 * Mozilla Firefox, Internet Explorer, Opera mini, Safari, and Google Chrome

· WEB PAGE

- Each electronic documents on Web which contains text, graphics, animation, audio and video.

      - Types of web pages :

  

      *  Static ( fixed ) -  A fixed web page where visitors all see the same content.

      * Dynamic ( changing ) - A web pages that allows visitors to customize some of all  

                                                    the viewed  contents

· WEB BROWSER

      - Application software that allows user to access and view Web pages.

      - Purpose : 

      * Bring information resources to the user.

      * Retrieves and displays a starting Web page.

      - Provides link to others related Web pages

      - Process :

      * Downloading -  process of receiving information from a server on the internet

      * Uploading - process of transferring documents, graphics and other objects from a                                 computer  to a server

· WEB SITE

      -  A collection of related web pages and associated items.

· WORLD WIDE WEB

      - Consists of a world wide collection of electronic documents ( web pages )

· WEB SERVER

      - Computer that delivers requested Web pages to your computer

· HOME PAGE

      - First page that a web site display.

WEB ADDRESS

    - Web page that has a unique adress called a URL ( Uniform Resources Locator )      or Web Address

    - A Web browser retrieves a Web page using its Web Adress .

    - Web Address :

* Protocol

* Domain name

* Path

* Web page name

- Example :

 http://www.nps.gov/grsm/planyourvisit/wildlifeviewing.htm

* Protocol - http://

* Domain name - www.nps.gov/

* Path - grsm/planyourvisit/

* Web page name -  wildlifeviewing.htm

- Last component not only web page name, it can be file name.

http://www.kmph.matrik.edu.my/fizik/index.html

* Protocol  - http://

* Domain name - www.kmph.matrik.edu.my/

* Path - fizik/

* Web page name - index.html

- Transfer Protocol :-

*  http://

  - Hypertext Transfer Protocol 

  - A set of rules that defines how pages transfer on the Internet.

 *  https://

  - Hypertext Transfer Protocol Secure

  -  A protocol to provide an encrypted  communication and secure identification of a 

     network web server.

  - Often used for payment transactions on www.

  * ftp://

  - File Transfer Protocol

  - Standard network protocol used to transfer computer files from one host to another 

     host over a TCP-based network, such as the Internet.

WEB PAGE NAVIGATION

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Navigation Web Pages

• Hypertext

- Link in text based documents.

• Hypermedia

  - Combines text-based links with gaphic, audio and video links

Tab Browsing

 - Allow you to open and view multiple Web Pages in a single Web Browser windows

WEB SEARCHING

- To search specific information, including text, pictures, music and video.

- First step in successful searching is to identify the main idea or concept in topic .

- Types of search tool :

*  Search engine ( keyword search ) - Find information related to a specific topic

* Subject directory ( directory search ) - Classifies Web page in a organized set of categories.

SEARCH  ENGINE

- Program that searches documents for specified keywords and returns a list of the documents where the keywords were found.

- Result  is called as  hit  .

* Web pages

* Articles

* Images

* Audio

* Video and etc

- Hit  :  Any web sites name that is listed as the result of a search.

- Example :

• Google : www.google.com
• MSN : www,search.msn.com
• Yahoo ! : www.yahoo.com

SUBJECT DIRECTORY

- Classifies Web pages in an organized set of categories such as sport or shopping and related subcategories.

- Examples :

* AltaVista

* Yahoo !

* Google

* Excite

- Provide categorized lists of links arranged by subject

- Display a list of subcategories links when click

- Disadvantages : user have difficulty deciding which categories to choose as menus of links presented.