Which category could be used by citizens to contribute to a smart city?

personal iot
group iot
community iot
industrial iot

The correct answer is C. Community IoT.

Community IoT is a type of IoT that involves the use of IoT devices and technologies to connect and manage resources and services within a community. This can include things like smart streetlights, smart parking meters, and smart waste bins. Community IoT can be used to improve the quality of life in a community by making it more efficient, sustainable, and livable.

Personal IoT is a type of IoT that involves the use of IoT devices and technologies to connect and manage personal devices and assets. This can include things like smart home devices, fitness trackers, and wearables. Personal IoT can be used to improve the quality of life for individuals by making it easier to manage their time and resources.

Group IoT is a type of IoT that involves the use of IoT devices and technologies to connect and manage devices and assets that are shared by a group of people. This can include things like smart office devices, smart classroom devices, and smart hospital devices. Group IoT can be used to improve the efficiency and effectiveness of group activities.

Industrial IoT is a type of IoT that involves the use of IoT devices and technologies to connect and manage industrial equipment and processes. This can include things like smart manufacturing equipment, smart oil and gas equipment, and smart mining equipment. Industrial IoT can be used to improve the efficiency and productivity of industrial operations.