A virtual device driver (VxD) is a software device driver that emulates hardware and other devices so that multiple applications running in protected mode can access hardware interrupt channels, hardware resources and memory without causing conflicts. The Vxd was superseded by the Windows Driver Model (WDM) and is now obsolete.
Communication media refers to the means of delivering and receiving data or information. In telecommunication, these means are transmission and storage tools or channels for data storage and transmission.
The term is also commonly used in place of mass media or news media.
Different media are employed for transmitting data from one computer terminal to the central computer or to other computer systems inside some kind of network.
The most commonly used data communication media include:
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