The course 'presumes' familiarity with basic computer programming. [=people who take the course should know basic computer programming]
After the earthquake several people were missing and 'presumed dead'. [=believed to be dead]
I 'presume' (that) the car was very expensive. = The car was very expensive, I 'presume'.
(..) Astonishing what a few drops of your blood will do, eh, Harry? Pick up your wand, Potter. I said, pick it up! Get up! Get up! You've been taught how to duel, I presume, yes? First, we bow to each other. Come on, now, Harry. The niceties must be observed. Dumbledore wouldn't want you (..)2005 Harry Potter and the Goblet of Fire