THE SYSTEM LIFE CYCLE
7.3 development and testing
7.4 implementation
7.5 documentation
7.6 evaluation
LEARNING OBJECTIVES
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Testing designs
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Testing strategies
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Improvements needed as a result of testing
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Different methods of system implementation
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Methods of implementation
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Technical documentation for an information system
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User documentation for an information system
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Describe the need to evaluate a solution in terms of the efficiency of the solution, the ease of use of the solution, and the appropriateness of the solution
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Describe the need for a variety of evaluation strategies e.g.
INTRODUCTION
System life cycle is necessary to review an existing system and suggest a number of improvements.
7.3.1 Development
After designing, the system should be created and tested fully by the system analysts.
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If the system contains files like database then the file structure would need to be finalized at this stage.
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With the stored correct data and certain techniques, validation routines and verification methods are used to ensure for unwanted data and to make sure that any data transferred from a paper based system to an electronic system has been done accurately in this stage.
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