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Database

A data base is a structured collection of records or data. A computer database relies upon software to organize the storage of data. The software models the database structure in what are known as database models. The model in most common use today is the relational model. Other models such as the hierarchical model and the network model use a more explicit representation of relationships (see below for explanation of the various database models).

DHTML

Dynamic HTML is an implementation of JavaScript written to allow high level client-side browser manipulation.

Display Resolution

The display resolution of a digital television or computer display typically refers to the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is controlled by all different factors in cathode ray tube (CRT) and flat panel or projection displays using fixed picture-element (pixel) arrays. One use of the term "display resolution" applies to fixed-pixel-array displays such as plasma display panels (PDPs), liquid crystal displays (LCDs), digital light processing (DLP) projectors, or similar technologies, and is simply the physical number of columns and rows of pixels creating the display (e.g., 1280�1024). A consequence of having a fixed grid display is that for multiformat video inputs all displays need a "scaling-engine" (a digital video processor that includes a memory array) to match the incoming picture format to the display.

DOM

A DOM, or Document Object Model, is a tree representation of the structure of a Web document that may be used via scripts to access and manipulate any element within that page.

Domain Name Server

A Domain Name Server (DNS) is a distributed network of servers where host names are translated to their IP addresses. DNS servers are used on the Internet and some private networks.