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Question 2

Section 1: Software design and development, and Computer systems

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Describe a situation where an iterative approach is required during the software development process.

1 mark

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Answer

Any suitable example that describes the return to a previous stage of the software development cycle is required.

For example:

the program is not fit for purpose so requires additional design/implementation/testing
errors found during testing so implementation is revisited
errors are found which require returning to a previous stage

Model Answer An iterative approach is required when a program does not work correctly after testing. For example, if errors are found during testing, the developer must go back, fix the code, and test it again. This process is repeated until the program works as expected.