Acronym for read-only memory.

A low-pass filter used to reduce unwanted higher frequencies.

Synonym ambient noise level.

In multimedia and virtual reality, information that may be used to select a video source, and then control the video source to provide the desired view. The ability to provide presets is optional and may not be supported in all terminals. [After T1.80
0. 08-1995]

In computer science, the highest level of a hierarchy.

The Root Cause is the primary problem which once identified and corrected will prevent the same or a similar reportable incident from recurring (i.e., why the reportable incident happened). A Root Cause should be actionable.

A single quantity, rms, characterizing a function, f(x), given by
Note: The term "rms deviation" is also used in probability and statistics, where the normalization, M0, is unity. Here, the term is used in a more general sense.

The temporal rms deviation of the impulse response of a system.

A special case of root-mean-square deviation where the independent variable is time and f(t) describes the pulse waveform.

A conductor composed of a central core surrounded by one or more layers of helically wound groups of wires.