dual monitor
A computer system with more than one display connected. Dual monitor systems consist of adding additional video adapters (also called video cards) to it, or by using a single video card that has multiple ports for monitors (called a dual head card). The second display screen can be any display, such as a television, projector, or monitor. Also called a multi-monitor.
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- dual-processor
Dual-processor (DP) systems are those which contains two separate physical computer processors in the same chassis. In dual-processor systems the two processors can either be located on the same motherboard or on separate boards.
- dual-ring topology
A network topology in which two concentric rings connect each node on a network instead of one network ring that is used in a ring topology. Typically, the secondary ring in a dual-ring topology is redundant. It is used as a backup in case the primary ring fails. In these configurations, data moves in opposite […]
- dual-scan display
A type of passive-matrix LCD display that provides faster refresh rates that conventional passive-matrix displays by dividing the screen into two sections that are refreshed simultaneously. Dual-scan displays are not as sharp or bright as active-matrix displays, but they consume less power.
- dub
(1) A duplicate copy of an original videotape or disc. (2) In video production, dubbing is the process of recording or rerecording voices over the originals.
- Dumb Terminal
A display monitor that has no processing capabilities. A dumb terminal is simply an output device that accepts data from the CPU. In contrast, a smart terminal is a monitor that has its own processor for special features, such as bold and blinking characters. Dumb terminals are not as fast as smart terminals, and they […]