Feel free to add together the set of a set of an empty set and a set of a set of a set of an empty set, but I prefer calling it 2+3.
Or feel free to manipulate the voltage in some wire, and make sure that it is reliably understood at the other side as the same bit pattern you sent, but I prefer issuing an HTTP packet. These are all abstractions, hell, there is no field building as much on abstractions as IT does. We have to be on like 8-9 levels of abstraction to even do anything non-trivial.
Or feel free to manipulate the voltage in some wire, and make sure that it is reliably understood at the other side as the same bit pattern you sent, but I prefer issuing an HTTP packet. These are all abstractions, hell, there is no field building as much on abstractions as IT does. We have to be on like 8-9 levels of abstraction to even do anything non-trivial.