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Physical Sciences and Mathematics Commons

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Edith Cowan University

1999

Fourth generation computers -- Programming

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Implementing Flexible Software Techniques In A 4gl Environment, Stephen O'Connor Jan 1999

Implementing Flexible Software Techniques In A 4gl Environment, Stephen O'Connor

Theses : Honours

Today more IT professionals arc employed on the maintenance of existing software applications than are employed to develop new systems. Why is there such a need for this maintenance? Part of the problem is that developers have traditionally seen system requirements as fixed from the time they have been 'signed off. In reality requirements arc dynamic and subject to change as an organisation's environment changes. Flexible software techniques recognise that software requirements are subject to future changes. Flexibility is seen as an important design goal criterion with "true" or "strong" flexibility implying that an application's behaviour can be altered without …