Installation where the SYSTEM is introduced into the organisation a module at a time
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Card 7
Front
The old system is replaced by the new system straight away.
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Card 8
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Type of maintenance where the client wants the system to do something extra. This is not a compulsory change.
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Card 9
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This is a compulsory change because something in the environment has changed. e.g. Grade boundaries have changed.
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Card 10
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A mini program, a brief peice of code that will make the changes to overcome a specific problem in the software after it has been released and being used.
