the internet, the web and electronic commerce

URL



A URL (Uniform Resource Locator, previously Universal Resource Locator) - usually pronounced by sounding out each letter but, in some quarters, pronounced "Earl" - is the unique address for a file that is accessible on the Internet. Such a file might be any Web HTML page other than the home page, an image file, or a program such as a common gateway interface application or Java applet The URL contains the name of the protocol to be used to access the file resource, a domain name that identifies a specific computer on the Internet, and a pathname, a hierarchical description that specifies the location of a file in that computer.



HTML



HTML is HyperText Markup Language, the authoring language used to create documents on the World Wide Web. HTML is similar to SGML, although it is not a strict subset.
HTML defines the structure and layout of a Web document by using a variety of tags and attributes.


JAVASCRIPT



JavaScript, also known as ECMAScript, is a prototye-base, object-oriented scripting language that is dynamic, weakly typed and has first-class function. It is also considered a functioner programming language. JavaScript's use in application outside web pages. JavaScript copies many names and naming conventions from Java but the two languages are otherwise unrelated and have very different semantics. The key design principles within JavaScript are taken from the self and scheme programming languages.



APPLETS

BLOGS



Blogs are usually maintained by an individual with regular entries of commentary, descriptions of events, or other material such as graphics or video. Entries are commonly displayed in reverse-chronological order. Blog can also be used as a verb, meaning to maintain or add content to a blog.
Most blogs are interactive, allowing visitors to leave comments and even message each other via widgets online. The ability of readers to leave comments in an interactive format is an important part of many blogs.



WIKIS



Wikis is a website that allows the creation and editing of any number of interlinked web pages via a web browser using a simplified markup language. Wikis are typically powered wiki software and are often used to create collaborative works. Examples include community websites, corporate intranets, knowledge management systems, and note services. The software can also be used for personal notetaking.
Wikis serve different purposes. Some permit control over different functions (levels of access). For example editing rights may permit changing, adding or removing material. Others may permit access without enforcing access control. Other rules can be imposed for organizing content.



FTP



File Transfer Protocol, the protocol for exchanging files over the internet. FTP works in the same way as HTTP for transferring Web pages from a server to a user's browser and SMTP for transferring electronic mail across the Internet in that, like these technologies, FTP uses the Internet's TCP/IP protocols to enable data transfer.




PLUG-IN



In computing, a plug-in (or plugin) is a set of software components that adds specific abilities to a larger software application. If supported, plug-ins enable customizing the functionality of an application. For example, plug-ins are commonly used in web browsers to play video, scan for viruses, and display new file types. Well-known plug-ins examples include Adobe Flash Player and Quick Time.



FILTER


Electronic filters are electronic circuits which perform signal processing functions, specifically to remove unwanted frequency components from the signal, to enhance wanted ones, or both. Electronic filters can be pasive,analog, digital, linear and many more.The most common types of electronic filters are linear filters, regardless of other aspects of their design. See the article on linear filters for details on their design and analysis.



INTERNET SECURITY SUITE



An internet security suite developed by some computer labs compatible with microsoft window. KIS supports the detection and remidition of malware, as well as e-mail spam, phishing attempts, and data leaks.