Abbreviation for receive only.

In cellular technology (mobile telephone technology), the use of a wireless telephone outside a specified tariffed geographic area defined by the service provider (which area is usually called the "home" area); outside of the home area, additional charges usually apply. [After FCC]

Computer software that runs continuously and responds automatically to a user's activity.
Note: Some robots are created for the benefit of the user, such as those that send information when a user requests it, those that perform automated searches, and those that monitor messages in a forum and delete messages that are repetitive or violate the forum's rules of netiquette.… (Read More →)

Synonym droid.

The description of a user's sphere of responsibility [CESG].
Note: May be used for enforcing access control in accordance with the principle of least privilege. Example: System Administrator.

Routing in Low power and Lossy Networks

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]