<p>I carry an Ipad while traveling, but that’s just to get email, skype, news, store photos etc. Some people are able to use the Ipad for all their computer needs, but I prefer a laptop still. If your D will be gone for a whole semester and may need a computer for taking notes, writing papers, I suggest a laptop instead.
Buying a local phone with a prepaid SIM card is a good idea.
Salamanca is a beautiful city, especially the university. We were there last October and there were many cafes with internet access including our hotel.</p>