Wednesday, December 15, 2010

The Internet, The Web and Electronic Commerce



So for the second tutorial, our topic would be on The Internet and The Web. People access and utilize the Internet and the Web every single day all around the globe. However, do people truly understand generally the usage and function of each of the elements found in the web?



Firstly, there is the FTP, that is file transfer protocol. FTP is a protocol that allows files such as graphics, texts, images or audio files to be exchanged over the Internet. It is very commonly used for downloading files from the Internet or to upload files to the Internet.

Plug-in can either be a hardware or software module that is used for additional special features or services to a much larger system. It is commonly used in web browsers for different kinds of functions including ti play certain videos, scanning for viruses as well as display new file types.



Normally, a filter is device that removes certain matters from anything that passes through it. In technological terms, a filter refers to a program that accepts a kind of data as an input and then transforms it into a different manner, before displaying the transformed data as an output.


Computers nowadays are usually protected by security suits such as McAfee Internet Security Suite, Norton Internet Security, Kaspersky Internet Security and many more. Internet security suites secures computers againts possible online threats like hackers, viruses and spyware.



A wiki is a website that makes use of the easy creation and editing of any of the interlinked web pages via a web browser. The good thing about wiki is that it allows users to make changes to the contents of any posts in the page. Therefore, it gives users the opportunity to share knowledge and information. 
Javascript is a scripting language that is added to standard HTML to create interactive documents. It currently runs in only three environments, that is as a server-side scripting language, as an embedded language in the server-parsed HTML, and also as an embedded language run in web browsers where it is the most important part of DHTML.


HTML stands for Hypertext Markup Language. It is a set of symbols or codes that have been inserted into a file for the purpose of display on a World Wide Web browser page. The markup actually tells a certain Web browser how to display a Web page's words and images for the user. Besides, it also sets up hypertext that links different electronic documents together.

 

URL stands for Uniform Resource Locator. A URL contains the protocol of the resource, the domain name of the resource and also the name for the specific file. To understand better, here is an example of the different parts of an URL:
  • http:// provides the protocol
  • www.blogspot.com is the domain
  • main domain is blogspot.com
  • www is a pointer to a computer or a resource 
  • /define/u/url.shtml is the pointer to the specific file on that server



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