The answer to this question is Pyramid model. In pyramid mode, all information systems will be divided into different classes that will form a hierarchy and usually it is based on importance. The most important aspects will be placed on the top of the pyramid structure while the least important aspects will be placed on the very bottom.
It D because I hade this too so it is D
Answer: because computers are our main source of communicating and where we find a wide range of information to help us
Explanation: