Answer:
A logical unit of a system.
Explanation:
i'm thinking your are talking about system layers such as the ISO? Layers help identify the order of how the whole system works.
Answer:
Following is the detailed answer as needed.
<h3>I hope it will help you!</h3>
Explanation:
Command Specifics to a cpu or a microprocessor it is code <span />
I would vote for D since you can adjust picture positioning and wrapping. A is BS, B and C are not true.