This is too much to understand what you need the answer too. In my opinion I can’t answer this question
Opacity is the condition of lacking transparency. Opacity is opaqueness.
It is important for developers to know exactly what is expected from each use case on the backlog. To obtain clarity and understand all of the requirements, cross-functional teams including developers, testers, users of the system, management, etc. should work together. Actors in the system should be interviewed, observed, or be given a questionnaire to figure out details regarding specific requirements.
Answer:
1-Programmed I/O
Explanation:
The most appropriate way of doing it by using programmed I /O . This is because , the handler application as absolute control of sending data , and is synchronous in nature . All other I/O methods are asynchronous and the controlling / handler application has no idea about when the data transfer is going to complete .
