Same as pull-down menu.
- drop frame
A type of time code designed to match the real time of clocks. Two frames of time code are dropped every minute, on the minute, except every tenth minute. This corrects for video frames that occur at a rate of 29.97 per second.
Also called a dropper program or a virus dropper, a program that when run will install a virus, Trojan horse or worm onto a hard drive, floppy disk or other memory media. The dropper itself is not a virus �� it does not replicate; instead, it��s more like a Trojan horse in that it carries […]
- 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 […]
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 […]