The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.
Doctoral Degree in Applied Computer Science in Portugal
A premissa básica de estudo doutoral e, consequentemente, do curso de Doutoramento em Informática é a produção de conhecimentos novos através de investigação original.