Page 28 - DCAP408_WEB_PROGRAMMING

Web Programming

Notes enabling you to access and interact with text, graphics, animation, photos, audio and video. It
has now become so simple for you to understand how the web works and what it is. Its
implementation is based on client server system and employs your personal computer as client,
web browser software, a connection to an Internet service provider, servers, routers and switches
to direct the flow of information. You may be aware of all terms used in the formation of a web
except web browser.
A browser is software, which your computer uses to view WWW documents and access the Internet.
The browser program residing in your computer facilitates you with the advantages of text formatting,
hypertext links, images, sounds, motion, and other features. Internet Explorer and Netscape are
some of the widely used browsers. Browsers have sub programs called plug-ins to handle the
documents you find on the Web. It may also other plug-ins stored elsewhere in your computer.
Web is very simple to use. Whenever you wish to visit any website, say your institute’s website,
you simply enter the address or URL of the website in your web browser to forward your request
to the web server of the institute to provide you the intended web page. The institute’s web server
then sends your request on the Internet to find the intended website. Once it is obtained, the web
server returns the same to your computer where the browser loaded with different plug-ins
interprets the data, displaying it on your computer screen. The intended web page, which is now
available on your desktop, may have click able links. On clicking on the same, you may visit other
pages. In this manner, the information scattered across the globe can be linked together.
It now becomes essential to explain as to how the different web pages with different text format
and standards could be linked to a particular web page. The binding forces that hold the Web
together are the hypertext and the hyperlinks. The hyperlink allows electronic files on the Web
to be linked so you can jump easily between them using hypertext protocol. As you have learnt
that web browsers that enables you to access the Web also distinguish between web pages and
other types of data on the Internet because web pages are written in a computer language called
Hypertext Markup Language or HTML.
The World Wide Web is an information space that provides resources, which are identified by
global identifiers called Uniform Resource Identifiers (URI). There is software, which in
conjunction with servers, proxies, spiders, browsers and multimedia applications enables an
user to identify and explore resources on web space.

Did u know? What will be the definition of WWW in networking language?
In networking language, www is a client-server information system that utilizes the
Internet to access computers containing millions of hypertext documents.
Advantages

Many companies have understood the advantages of having a presence on the World Wide Web
and have successfully addressed their corporate objectives by integrating their web site as part
of their business strategy. As we are aware that a website can generate awareness of the products
and services of the company and provide a global storefront for the company 24 hours a day
with automating many business procedures. It is relatively inexpensive and versatile for
establishing and maintaining a website. Its interactive feature make it superior than other
advertising mediums. Below are the some advantages offered by WWW:
 Presence on the web: It enables businesses to be in touch with several million people who
have access to the World Wide Web with more and more added everyday. No business can
afford to ignore this many potential customers.
 Networking: It helps in developing lines of communication to enhance contact with potential
clients and organizations. It helps in speedy and reliable communication and advertisement.

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