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The Systems Life Cycle
Transcript of The Systems Life Cycle
Document Inspection: Examining the current output documents and the uses made of them can help determine the nature of the system being developed.
Observation: Design Implementation Testing Evaluation Questionnaire
Information gathered can be processed automatically. Questions need to be well designed and should not restrict the range of information that can be gathered. Interview
Interviews can be useful, although it is time consuming. Document Inspection
Examining the current output documents and the uses made of them can help determine the nature of the system being developed. Observation/Inspection
Observing the current system in order to find problems. A good design will be detailed enough to allow the implementation team to produce the system as intended.
System components that need to be specified include hardware, software, data files, user interface, required inputs, required outputs, manual procedures, and test plan. -Development of software by coding and testing.
-Installation of hardware.
-Installation of software.
-Preparation of data files.
-Writing system documentation. The whole system needs to be tested before it goes live. -Does the new system meet its original objectives?
-How effective is the new system in solving the original problem?
-Can users operate the new system without making mistakes or working under stressful conditions?