Before entering a loop to compute a running total, the program should first
A) set the accumulator variable to an initial value, often zero
B) set all variables to zero
C) read all the values into main memory
D) know exactly how many values there are to total

Question

Quizplus · Accepted Answer

Setting the accumulator variable to an initial value, often zero, is necessary to ensure that the running total starts from a correct base value before any values are added to it in the loop. This prevents the accumulation of incorrect totals due to uninitialized variables.

Before Entering a Loop to Compute a Running Total, the Program