Computer Science for IGCSE & O level - Automated And Emerging Technologies (Section 8 - No. 9)
What is the role of an 'actuator' in an automated system?
To collect data from the environment.
To control the system's actions based on input from sensors.
To display information to the user.
To provide power to the system.
Explication
Actuators are the components that perform actions based on signals from sensors and processing units.