What Server is
A host computer on a network. It houses information and responds to requests for information (for example, it houses Web sites and executes their links to other Web sites). The term "server" also refers to the software that makes the act of "serving information" possible. Commerce servers, for example, use software to run the main functions of an e-commerce Web site, such as product display, online ordering, and inventory management (you'll also hear this described as shopping cart technology). A server is the control computer on a LAN, meaning it controls the software, access to printers, and other parts of the network (usually accompanied by workstations that "share the load"). A server may be dedicated (where its sole purpose is to be the server) or non-dedicated (where in addition to being the server, it can be used for basic computing purposes).
The meaning of Object-oriented programming (OOP)
A type of programming that combines data structures with functions to create reusable objects. It works something like this: Programmers can create modules that do not need to be changed when a new type of object is added; instead, one can simply create a new object that inherits many of its features from existing objects. This inheritance relationship between objects makes object-oriented programs easier to modify than procedural programming techniques.
The most popular object-oriented programming languages are Java and C++. There is also UML (Unified Modeling Language) which is the industry-standard language for specifying, visualizing, constructing, and documenting the artifacts of software systems. It simplifies the complex process of software design, making a "blueprint" for construction.
"Object-oriented" can also be used to describe a system that primarily deals with different types of objects, where the actions you take depend on what type of object you are manipulating. For example, an object-oriented graphics program might enable you to draw many types of objects, such as circles, rectangles, and triangles. Applying the same action to each of these objects, however, would produce different results. If the action is "Make 3-D," for instance, the result would be a sphere, a box, and a pyramid, respectively.
Object-oriented graphics are also called vector graphics.
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