Answer:
In networking, topology refers to the layout of a computer network. ... Physical topology means the placement of the elements of the network, including the location of the devices or the layout of the cables. Logical topology maps the flow of data, regardless of the physical layout.
...hope it helps...
Answer:
I don't know but....I think (Sorry if I am wrong)
Explanation:
Psychology
Apple first released the first ipod in 2001