<p>This semester I have enrolled in 20 units and am on the waitlist for CS 61A (4 units). I am permitted to take 20.5 units in the fall semester. Suppose the CS department attempts to move me from the waitlist into the class. Clearly this will not be possible since that would put me over 20.5 units. What will happen? Will I get an email from them, giving me a chance to drop one of my other courses, or will my class seat be given to the next person immediately?</p>
<p>In the latter case, the obvious solution would be to drop one of my courses ahead of time to make space. But I do not want to do this as I am not sure I will get 61A. I should add that CS 61A is currently my highest priority course and I would happily drop any other course if I was certain to get 61A in its stead. </p>
<p>What should I do?</p>