internalprogram

noun
UK /ɪnˈtɜːnəl ˈprəʊɡræm/
US /ɪnˈtɜːrnəl ˈproʊɡræm/

A set of instructions that lives inside a computer or machine and tells it what to do.

The robot's internal program helps it walk and pick up toys.


OTHER MEANINGS

2. A plan or set of steps that a person follows inside their own mind without writing it down.

She has an internal program for getting ready in the morning.

3. The fixed way a living thing naturally behaves, like a bird building a nest.

Birds follow an internal program when they fly south for winter.

4. A hidden set of rules inside an organization that guides how it works.

The school's internal program decides which classes happen each day.