(1) (Unified Display Interface) A digital interface from the United Display Interface SIG that is designed to replace the analog VGA interface common on CRTs and flat panel monitors. UDI is expected to provide backward compatibility with DVI and HDMI interfaces. Intended for use on computers as well as consumer electronics devices, UDI supports HDCP digital rights management. See DVI and HDMI.
(2) (Uniform Driver Interface) A standard programming interface for writing device drivers for Unix operating systems. Supported by SCO, HP, IBM, Sun and others, once a driver is written to the UDI standard, it can be compiled in and used with each respective version of Unix. Drivers are complex pieces of code, which normally have to be written for each operating system. Providing a common way to write Unix drivers helps unify the Unix community.
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