Built-in Software That Controls a Device

This page is the CodyCross answer for the clue below from Sense of Smell, Group 1467, Puzzle 3 (Toasted Almonds).

Question is: Built-in Software That Controls a Device

and the answer is: FIRMWARE

Word Meaning:

FIRMWARE — (computing) A permanent form of software that provides a low-level control of computing device hardware.

Definitions from Wiktionary.