From Oxford Online, we find these definitions:
philosophy: The study of the fundamental nature of knowledge, reality, and existence, especially when considered as an academic discipline.
ethics: Moral principles that govern a person's behaviour or the conducting of an activity.
Obligatory xkcd collection:
1390:
1455:
1613:
Online Ethics-oriented Resources
Online Ethics Center for Engineering and Science
Collection of ethical code URLs from NC State
Computer and Information Ethics (in particular, see the Uniqueness debate between Maner and Johnson)
Bynum: Computer ethics: Its birth and its future
Books
Nick Bostrom: Superintelligence
Isaac Asimov: I, Robot
Norbert Weiner: The Human Use of Human Beings: Cybernetics and Society
Soshana Zuboff: The Age of Surveillance Capitalism
Other
Excerpt from The Grand Design episode of "Yes, Prime Minister"