Answer:
1. Declaration: the return type, the name of the function, and parameters (if any)
2. Definition: the body of the function (code to be executed)
Explanation:
In a file extension, it tells what type of file it is and tells what compiler to run the code.
Answer:
Option C i.e., Interoperability is the correct option
Explanation:
Interoperability performs for computers or its components for the purpose to communicate and it is important to improve the development of the Internet of Things. It performs the communication as well as share their services between computer or its components.
It also contains challenges occurred at the time of developing and implementing the protocols by which they communicate.
