Check your laptops power adapter to see if it will handle both 240v(UK) and 110v(US) if it can handle 240v (which I believe most can) then all you need is a UK plug adapter.
It should have come with a cord. One end will plug into your iPod and the other will plug in to you laptop.
yes you can plug a ethernet cable into a laptop!
yes
Yes, you can. I have mine plugged into my laptop.
No, just authorize the new laptop. Install iTunes before you plug in, also sign in your email then plug in and follow the prompts
A laptop computer has a battery that has a wonderful battery life. As long as you charge your laptop battery for the appropriate amount of time, then you can use your laptop without the need to plug it in for many hours. This will allow you to be free and not be tied to finding an outlet to plug in your laptop.
You have to get a USB slot that can plug in to your laptop.
Yes
No
in the headphone jack
definitely
Yes you can you have to fasten the new one onto the top of your laptop and then plug it into the back of your laptop