Yes Microsoft and Apple used the closed-source approach to better secure from malware and make to make their operating systems more user friendly.
Answer:
Integrating domain information system increase the level of the organization and its efficiency in the specific domain. This approach is better than others because it first planned the system in systematic order and then it is implemented by proper testing so that the system does not fails and it give efficient result.
It is the low cost approach which can be easily used by the various companies and give faster and profitable results. This integrating approach must be domain specific and describe different level of abstraction.
Out of the ones that you mention, the correct answer should be
<span> Operating system</span>
A Human-Machine Interface (HMI) is a graphic terminal that allows the robot operator to control, monitor, and collect data from the robot system.
(https://www.robots.com/faq/what-is-a-hmi)
