About transmission media ?

THE WORLD WIDE WEB

•The World Wide Web, a service of the Internet

•The Internet was developed in the late 1960s

•The World Wide Web emerged in the early 1990s

WEB PAGE ~>

-Each electronic documents on the Web

-Which can contain text, graphics, animation, audio and video

-Two types : Static(fixed); Dynamic (changing)

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 & HOME PAGE

Web server is a computer that delivers requested Web Pages to your computer while a homepage is

the first page that a web site display

WEB ADDRESS

• A Web page has a unique address called a URL (Uniform Resource Locator) or Web address
• A Web browser retrieves a Web page using its web address.

WEB ADDRESS CONSISTS OF:~

Protocol

Domain Name

Path

Web page name

E.g : http://www.bankislam.biz/promote/index.htm

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

http://                                          : protocol

www.kmph.matrik.edu.my/     : domain name

fizik/                                              : path

index.html                                    : web page name

 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

–The File Transfer Protocol (FTP) is a 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

Surfing the web

-The activity of using links to explore the web

A link

-Can be text or an image.

Text links

-May be underlined and/or displayed in a

 color different from other text on the page

-The color of the link will change once the

 link has been visited.

Web Searching

•A primary reason that people use the Web is to search for specific information, including text,

pictures, music and video.

•The first step in successful searching is to identify the main idea or concept in the topic about

which you are seeking information.

Search Tools 

•Search engine (keyword search) - Finds information related to a specific topic

•Subject directory (directory search) - Classifies Web pages in an organized set of categories