dual boot
Also called a multiboot, an operating system configuration that enables the user to boot the computer system from one of two different operating systems that are both installed on the same hard drive. The operating system that is loaded is given control, typically through a boot management program that will override the original MBR and load instead of an operating system.
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- Dual-Core
Dual-core refers to a CPU that includes two complete execution cores per physical processor. It has combined two processors and their caches and cache controllers onto a single integrated circuit (silicon chip). Dual-core processors are well-suited for multitasking environments because there are two complete execution cores instead of one, each with an independent interface to […]
- dual head card
A type of dual monitor system in which a single video card uses a single chipset to drive two display devices at the same time on one system. The technology was pioneered by Matrox Graphics Inc., with the technology first appearing in the Matrox G400 line of graphics cards in 1999. DualHead is sometimes spelled […]
- dual-homed host
A dual-homed host is a term used to reference a type of firewall that uses two (or more) network interfaces. One connection is an internal network and the second connection is to the Internet. A dual-homed host works as a simple firewall provided there is no direct IP traffic between the Internet and the internal […]
- dual layer
Dual layer refers to a DVD recording technology that provides users with 8.5-GB of recording space (as opposed to 4.7GB of space) on a standard DVD+R discs). The additional recording space is the direct result of dual layer technology. As the name suggests, dual layer technology provides two individual recordable layers on a single sided […]
- 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.