sequencer

A sequencer is something that either generates or analyzes a sequence, or triggers events in timed fashion. The term may mean or refer to:Sequencer (album), a 1996 musical album by CovenantDNA sequencer, a machine used to automatically produce a sequence readout from a biological DNA sampleMicrosequencer (instruction sequencer, or program sequencer), part of the control unit of a central processing unit (CPU), determining the next instruction address, or (data sequencer), part of an Auto-sequencing memory (ASM) block, determining the next data address,Music sequencer, software or hardware device for recording, playing, and editing digital music dataProtein sequencer, a machine used to automatically produce a sequence readout from a biological protein sample
See more at Wikipedia.org...

<music> Any system for recording and/or playback of music via a programmable memory which stores music not as audio data, but as some representation of notes. The most common modern usage of "sequencer" is to refer to systems (whether in software, or as a feature of devices like synthesizers or drum machines) that deal with MIDI data.
(1999-06-04)

Noun
1. (chemistry) an apparatus that can determine the sequence of monomers in a polymer
(synonym) sequenator
(hypernym) apparatus, setup
(derivation) sequence
(classification) biochemistry
2. computer hardware that sorts data or programs into a predetermined sequence
(hypernym) hardware, computer hardware
(derivation) sequence