What are the important components of an Internet of Things?

Question :

What are the important components of an Internet of Things?

The important components that exist in the Internet of Things are as follows:
Hardware: This will make physical items responsive and give them functionality to store records and responds to instructions.
Software: It allows the facts collection such as storing, processing, manipulating and instructing.
Infrastructure: Infrastructure which consists of protocols and technologies which allow two bodily gadgets to exchange information.