It's a computing device which are worked by with the help of unique identifiers (UIDs) and it has the ability to collect the date and transfer the data without help of computer or human interaction.
These days IoT has a vast application in medical field. IoT device can be used to remote health monitoring and in emergency case to. IoT can be used in case of transportation too. Vehicular communication system, building and home automation are operated by IoT. Monitoring and controlling operations of sustainable infrastructure like bridges, railway track can be done.