题目内容

In a(n) ____ loop the condition is tested at the end of the repeating section of code.

A. pretest
B. posttest
C. fixed-count
D. condition-controlled

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total = total + num; is equivalent to ____.

A. total += num;
B. total =+ num;
C. total ++ num;
D. total +=+ num;

____ is an accumulating statement.

A. total += num;
B. total++;
C. ++total;
D. total *= num;

Generally, before accumulating values, the accumulator variable should be initialized to ____.

A. -1
B. 1

In computer programming, data values used to signal either the start or end of a data series are called ____.

A. input values
B. limits
C. sentinels
D. iterators

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