grabber
(1) A device that captures data. The term is used most often to describe devices that can capture full-motion video from a television or video camera and convert it to digital form for storage on a computer’s disk.
(2) In some applications, a special tool or cursor that enables you to grab objects on the screen and move them or manipulate them in some other way. A grabber cursor is often represented by a hand icon.
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- granularity
The extent to which a system contains separate components (like granules). The more components in a system — or the greater the granularity — the more flexible it is.
- Graphics
(n.) Refers to any computer device or program that makes a computer capable of displaying and manipulating pictures. The term also refers to the images themselves. For example, laser printers and plotters are graphics devices because they permit the computer to output pictures. A graphics monitor is a display monitor that can display pictures. A […]
- graphics accelerator
A type of video adapter that contains its own processor to boost performance levels. These processors are specialized for computing graphical transformations, so they achieve better results than the general-purpose CPU used by the computer. In addition, they free up the computer’s CPU to execute other commands while the graphics accelerator is handling graphics computations. […]
- graphics based
)Refers to software and hardware that treat objects on a display screen as bit maps or geometrical shapes rather than as characters. In contrast, character-based systems treat everything as ASCII or extended ASCII characters. All graphics software is by definition graphics based. Systems that manipulate text can also be graphics based; for example, desktop publishing […]
- graphics character
A character that represents a shape. By combining graphics characters, even character-mode programs can display rudimentary graphics, known as block graphics. Many of the characters in the extended ASCII character set are graphics characters.