dun be scared lah 
electronics are all taken at yr 1 level
during yr 1, u wun be touching anything on aerospace...all are
common subjects like basic electronics and circuit analysis and
maths
from yr 2 onwards, u are allowed to choose the type of elective
subjects u wan..robotics, virtual reality or Aerospace. After
which, if u got into AE, den u will study some material science and
thermal fluid studies in yr 2..
in yr 3, after completing your attachment, you will be studying
subjects like aircraft propulsions, aerodynamics, airworthiness
admin and human factors.
I not sure about the aerospace course over in SP 