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'.
(..) Dialogue: Marked=..,Default,NTP,!Effect,lf you know where to go. Dialogue: Marked=..,Default,NTP,!Effect,Ah, Hagrid! The usual, l presume? Dialogue: Marked=..,Default,NTP,!Effect,No, thanks, Tom.\Nl'm on official Hogwarts business. (..)2001 Harry Potter and the Sorcerer's Stone