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A control structure is a codebase portion that supports decisions based on analysis of variables. These functional components are eminently useful in computer science and computer programming.
One of the best ways to illustrate what a control structure is involves providing concrete examples. For example, a do-while loop illustrates a control structure, where the programmer instructs the loop to iterate some process for a given number of instances. The variable is set at a certain point, and set to increase on each iteration, until, when it hits a given threshold, the loop is complete and it stops.
An if/then statement is another example of a control structure. Applied to a variable in a given state, the if/then statement directs the computer’s corresponding activity.
Generally, control structures represent functional pieces of a codebase and show the role of these decision-making processes in code.