sequencer

/ˈsiːkwənsər/
noun
  1. A device or software used to record, edit, and play back music, especially by arranging sequences of notes or sounds.
    • Modern sequencers allow you to edit each note individually on a computer screen.
    • The musician connected a keyboard to a hardware sequencer to layer different melodies.
    • She used a digital sequencer to create the beat for her new song.
  2. A machine or system that arranges things in a particular order, such as in manufacturing or laboratory processes.
    • The lab uses a DNA sequencer to read the genetic code of samples.
    • The factory installed a new sequencer to automate the packaging process.
    • A robotic sequencer on the assembly line places parts in the correct order.
  3. A person or thing that determines or follows a sequence of events or steps.
    • He was the sequencer of the parade, deciding the order of the floats.
    • As the event sequencer, she made sure each speaker went on stage at the right time.
    • The software acts as a task sequencer, telling the computer which job to do next.
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