Answer:b)via radio signals
Explanation: Machine-to-machine technology is the technology that helps in sharing of the real time information of the device that have embedded sensor.They can work without the help of the manual factors.
The data is shared through the help of the radio signals in the devices like turbines vending machines etc for the tracking purpose and managing.
Thus the other options are incorrect because short distance is a disttance, cloud services are for the collection of services and databases contains the data. So, the correct option is option (b).
Answer:
Python is an object-oriented programming language that is designed to be accessible and simple for all users, HTML is a web language and is used globally to define the structure of web pages by using various tags. HTML is not a programming language it's a markup language which is used to formatting web pages. Python is a general purpose scripting language which can be used to develop a wide range of programs.