dual-mode device
In mobile computing, a dual-mode device is one that offers voice and data connectivity to both Wi-Fi and cellular communications within in a single device. Dual-mode devices enable mobile workers to carry fewer devices using converged voice and data applications.
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- 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, […]
- 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.