GDT -

Global Descriptor Table.

An exception condition that occurs when a process attempts to use storage or a module that has some level of protection assigned to it, such as I/O privilege level. See also IOPL code segment.

A table that defines code and data segments available to all tasks in an application.

A dynamic-link module that can be shared by all processes in the system that refer to the module name.

Either a question mark (?) or an asterisk (*) used as a variable in a file name or file name extension when referring to a particular file or group of files.

A graphic symbol whose appearance conveys information.

Graphics programming interface.

In computer graphics, a basic element, such as an arc or a line, that is not made up of smaller parts and that is used to create diagrams and pictures. See also graphics segment.

(1) A picture defined in terms of graphic primitives and graphics attributes. (2) (D of C) The making of charts and pictures. (3) Pertaining to charts, tables, and their creation. (4) See computer graphics, coordinate graphics, fixed-image graphics, interactive graphics, passive graphics, raster graphics.

Attributes that apply to graphic primitives. Examples are color, line type, and shading-pattern definition. See also segment attributes.

The clipping boundary that defines the visible part of the presentation-page contents.

One of several states of a display. The mode determines the resolution and color content of the screen.

The conceptual coordinate space in which a picture is constructed after any model transforms have been applied. Also known as model space.

The formally defined programming language that is between an IBM graphics program and the user of the program.

A sequence of related graphic primitives and graphics attributes. See also graphic primitive.

The indication that a choice on a pull-down is unavailable.

A collection of logically connected controls. For example, the buttons controlling paper size for a printer could be called a group. See also program group.