In a conditional iteration loop, such as a while loop, what is a sentinel value?
A) A sentinel value is a user-provided input value that proceeds to the next loop.
B) A sentinel value is a user-provided input value that changes the structure of the loop.
C) A sentinel value is a special value provided by the user to terminate the loop.
D) A sentinel value is a special value provided by the user to restart the loop.

Question

Quizplus · Accepted Answer

A sentinel value is a special value that is used to terminate the loop. It is typically an input provided by the user that indicates the end of the loop. For example, if a program is taking input from a user until they enter a specific value, that value would be the sentinel value that terminates the loop.

In a Conditional Iteration Loop, Such as a While Loop