Glossary

Internet, computer and design terms

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All

Term	Definition
ActiveX	A set of technologies created by Microsoft to enable interactive content on Web sites. With ActiveX, websites can be animated using multimedia effects, interactive objects, and sophisticated applications that create a user experience comparable to a high-quality CD ROM. The same effects can be experienced with Java, Shockwave, Flash, and numerous other applets and programs - the difference is that ActiveX is an exclusive Microsoft Program making use of ActiveX Controls.
ADN	*Advanced Digital Network* Usually refers to a 56Kbps leased-line
ADSL	*Asymmetric Digital Subscriber Line* A DSL line where the upload speed is usually different from the download speed. Usually the download speed is much greater.
Applet	A small Java program that can be embedded in a HTML page. Applets differ from full fledged Java applications in that they are not allowed to access certain resources on the local computer, such as files and other serial devices (modems, printers etc) and are prohibited from communicating with most other computers across the network. The common rule is that an Applet can only make an Internet connection to the computer from which the Applet is sent.
Application Server	Server software that manages one or more other pieces of software in a way that makes the managed software available over a network, usually to a Web Server. By having a piece of software manage other software packages it is possible to use resources like memory and database access more efficiently than if each of the managed packages responded directly to requests.
ASP / Active Server Page	Active Server Pages These are used for creating dynamic content of a web page. Technically said it is a server side scripting language. It is mostly used on Windows platforms.
Bandwidth	How much information you can send through a connection. Usually measured in bits-per-second. A full page English text is about 16,000 bits
Banner Ad	An advertisement on a webpage which usually links to another page or external website. Banner ads' are the most common form of advertising on the web.
Binary	Information consisting entirely of ones (1) and zeros (0). Also used to refer to files that are not simply text files, eg; images.
BIT	(Binary DigIT) A single digit number in base-2, in other words either a 1 or zero. The smallest unit of computerised data. Bandwidth is usually measured in bits-per-second.
Bitmap (BMP)	A file format whereby a value is assigned to every pixel on the screen, as opposed to Vector mapping where only the differences are stored. Bitmaps, also called Raster images, are very large files. Some audio formats also use bitmapping.
Blog	Blog, a contraction of ‘web’ and ‘log’, describes a website consisting of date-related entries (or posts). Blogs are typically of a personal nature, although their use by companies as a marketing tool is increasing.
BPS	Bits Per Second A measurement of how fast data is moved from one place to another. A 56K modem can move about 57,000 bits per second.
Broadband	Short for: Broad Bandwidth A high -speed, high-capacity data transmission channel that sends and receives information on coaxial or fibre optic cable (which has a wider bandwidth than conventional telephone lines), giving it the ability to carry video, voice, and data simultaneously. As the definition suggests, broadband is primarily used to send different types of signals simultaneously, using the same FDM (Frequency Division Multiplexing) technique used for cable TV. In theory, broadband makes possible a whole new set of Internet applications, such as streaming video, due to speeds up to 20 times as fast as conventional modems. It is measured in kilobits, megabits, or gigabits per second
Browser	A client program (software) that is used to look at various kinds of Internet resources. Microsoft Internet Explorer or Netscape are good examples of Browsers. To look at this website your computer is using Browser software.

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