What it means
1. Electronic device or software that is used to control the volume of an audio signal. (Reference: Wikipedia)
2 . A device (as in a computer) that outputs a signal when specified input conditions are met. (Reference: Merriam-Webster)
1. Electronic device or software that is used to control the volume of an audio signal. (Reference: Wikipedia)
2 . A device (as in a computer) that outputs a signal when specified input conditions are met. (Reference: Merriam-Webster)