Each device inspects the command, and acts on it if necessary.
Plugged into a TV, the device acts like a standard game controller.
A device that has a non-linear (square law) characteristic can act as a mixer.
Recent devices can also act as flight recorders by producing files in the (.
The device acts as a distributed pulse forming network.
The device acts on your central nervous system; I assume you have one?
Such a device would act as a memristor under all conditions, but would be less practical.
The device acts like the normal human lens to improve both near and far vision.
Once that's done, the device acts as both a storage server and as a media player.
With its remote control and plastic stand, the device also acts as a miniature viewing station.