sequencer

See also: séquencer

English

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sequencer

Wikipedia

sequencer (plural sequencers)

Any device that activates or deactivates the components of a machine or system according to a preplanned sequence (as in a washing machine, or central heating system).
A device or system that orders and/or modifies digitally stored music and sound for playback.
a MIDI sequencer
A device for determining the sequence of monomers in a polymer, especially amino acids in protein, or bases in DNA; A sequenator.
A control device to increase/decrease the capacity of plant that is enabled to act in a specific order or sequence.

boiler sequencer - enables/disables additional boilers in large buildings as the demand for heat increases due external temperature compensation
pump rotation sequencer - enables a "lead" pump while keeping a second pump as "standby" (in the event of lead failure), but periodically changes the sequence to ensure even maintenance.
state sequencer

device that activates components according to a preplanned sequence

device that stores sound for playback

device that determines the sequence of monomers in a polymer