Is there a specific name for a Probability Mass Function with a single non-zero element?

I am writing a document which often refers to two standard Probability Mass Functions (PMFs), one is a uniform distribution (e.g. U(1,5)=[0.2 0.2 0.2 0.2 0.2]) and the other has only a single...

04 April 2015 5,206 11 View