Internet of Things (IoT) Practice Exam

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What type of device is the CPU?

Sensor
Actuator
Control
None of the above

The correct answer is: Control

The CPU, or Central Processing Unit, acts as the control unit of a computing device. In the context of the Internet of Things, the CPU processes data received from sensors and controls actuators based on this data. It executes instructions and makes decisions, directing how the device should respond to various inputs. This central role is what categorizes the CPU as a control device, managing overall operation and functioning within the IoT ecosystem. While sensors detect environmental conditions and produce data, and actuators carry out actions based on commands, the CPU orchestrates both activities, effectively functioning as the brain of the system. This delineation between functions emphasizes the unique role the CPU plays, solidifying its classification as a control device in IoT environments.