A(n) ____________ is a variable that signals when some condition exists in a program.
A) sentinel
B) flag
C) event
D) marker

Question

Quizplus · Accepted Answer

A flag is a variable used as a signal to indicate the presence or absence of a particular condition in a program. It is used to control the flow of execution in the program based on the value of the flag. Sentinels, events, and markers are all terms that describe different concepts in programming, but none of them specifically refer to a variable that signals a condition.

A(n) ____________ Is a Variable That Signals When Some Condition