This is the 8148th most frequent Spanish word.
operativo
"Operativo" in English means "operative" or "related to an operation or process, often functional or effective."
In this context, 'operativo' refers to an organized operation or mission.
El equipo estuvo en un operativo de rescate toda la noche.
The team was in a rescue operation all night.
Here, 'operativo' is part of the compound noun 'sistema operativo,' referring to the software managing computer resources.
El sistema operativo de mi computadora necesita una actualización.
The operating system of my computer needs an update.
In this situation, 'operativo' means functional or able to operate.