Flow of Control
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
Flow of control is the order in which, or whether, a program's statements execute — sequential by default from an established start, modified by the selection and iteration constructs.
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A route confirmation runs straight through until one condition detours it.
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Unit 2 taught the ideas; these are the constructs implementing them.