Sequencer (noun)

A device or software that arranges or processes data in a specific order, such as arranging musical notes or DNA base pairs.

Origin:

From sequence + -er.

Examples:

1. The sequencer in the music studio is used to arrange the musical notes in the right order.
2. A DNA sequencer is a device that reads the order of the base pairs in a DNA molecule.
3. The software sequencer is used to arrange the images in an animation.
4. The event sequencer is a tool that helps to organize and plan events in the right order.
5. The sequencer in a computer game is used to control the order of the events and the actions of the characters.