(choose one) Which is the proper means to decrement the integer variable, myScore, by one? myScore--;

myScore = 1 - myScore;

myScore += 1;

None of the others.

Suppose a cpu with a write-through, write-allocate cache achieves a cpi of 2. what are the read and write bandwidths (measured by bytes per cycle) between ram and the cache? (assume each miss generates a request for one block.)