Ó 2002 Prentice Hall                                                                     2
From Idea to Algorithm:
Control Structures
*Logical structures that control the order in which instructions are carried out
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*Three basic control structures:
§Sequence--group of instructions followed in order from first to last
§Selection--to choose between alternative courses of action depending on certain conditions.
§Repetition--allows a group of steps to be repeated several times, usually until some condition is satisfied