dirty bit
A bit in a memory cache or virtual memory page that has been modified by the CPU, but not yet written back to storage.
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- dirty data
In reference to databases, data that contain errors. Dirty data can contain such mistakes as spelling or punctuation, incorrect data associated with a field, incomplete or outdated data or even data that is duplicated in the database.
- disc
Alternative spelling of disk . Disc is often used for optical discs, while disk generally refers to magnetic discs, but there is no real rule.
- discrete
(1) In audio/sound terms discrete refers to multichannel audio or soundtrack being stored with each individual channel isolated from the other tracks. Contrast with matrixed where multichannels are blended. (2) (adj.) Refers to a computer component or device that is distinct and treated as an individual unit, separable from the other components and devices.
- discretize
A process where each pixel of an image is converted into the black foreground or the white background. The colors and grays of the original image are lost. By controlling discretizing, unwanted parts of the original image can be removed. This process of converting color images into black foreground and white background is called discretizing.
- disintermediation
Removing the middleman. The term is a popular buzzword used to describe many Internet -based businesses that use the World Wide Web to sell products directly to customers rather than going through traditional retail channels. By eliminating the middlemen, companies can sell their products cheaper and faster. Many people believe that the Internet will revolutionize […]