[ §1 : 37 ] Alternative Decomposition Approaches Function-oriented modularity Synonyms: action, process, transformation Basic idea: organize the system structure around the kinds of activities it must perform Rationale: a system is the functionality it supplies to the user Object-oriented modularity Synonyms: data record, class Basic idea: organize the system structure around the kinds of data it must maintain Rationale: functionality changes more often than the data required to support it
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