![]() To run legacy DOS applications in earlier versions of Microsoft Windows, the kernel creates a virtual machine (VM) in which the legacyĪpplication runs. In software, these methods are defined as device drivers, which consist of code that an application can use to access hardware or external software resources.ĭesigned for use in multitasking operating systems such as Microsoft Windows, a device driver is controlled by the operating system’s virtual device driver manager (VDDM) and is sharedīy the applications running within that kernel. ![]() Techopedia Explains Virtual Device DriverĬomputer hardware requires communication and control methods for devices and/or hardware components to access each other in a controlled manner, usually under the control of a combination of the BIOS and the operating system that is running. ![]() The Vxd was superseded by the Windows Driver Model (WDM) and is now obsolete. ![]()
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