Modular circuit matrix

A modular circuit matrix, also referred to as a skill matrix, or Skill Module, was a swappable piece of droid programming. The matrices held only one skill at a time and were cheap and easy to install. The matrices could be used to modify a droid's knowledge and skill base. SE4 servant droids and MSE-6 series repair droids were equipped to use the matrices. For SE4 servant droids, the matrix could be slotted into a insertion slot on the unit's chest. These matrixes allowed the droid to absorb specific knowledge on subjects such as local cuisines and maintenance schedules designed to look after household estates. MSE-6 droids were installed with a single matrix; each matrix was programmed with a single skill, such as the repair of a specific system, janitorial cleanup, security protocols, and basic computer programming. MSE-6s could perform one task, then have the circuit matrix switched out to then perform a different task.

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