System Life Cycle

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The 7 stages of the system Life Cycle?
Definition, investigation and analysis, design, implementaion, testing, documentation, evaluation and maintenance
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About the Definition stage- who? Output?
feasibillity, TELOS, analyst, feasibility report
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About the investigation staage? input? output?
The full nature of the problem, uses the feasibility report, the requirment spec
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method for investigating current system?
Questionnaires, interviews, meetings,document analysis, observation
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about the design stage? input? purpose?
the requirment spec, develps the design of the system, design spec
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About the implementation Stage?
uses the design spec, putting design into practice, code is completed, programmer
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About the testing stage?
tests the software code, check for any bugs and errors and check it meets the user requirments, if faults returned to previous stage
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About the Installation stage?
in conjunstion with the documentation stage, uses the completed and tested code
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About the Documentation Stage?
documentation given to the end users includes detailed program specifications, user manuals, recovery procedures, security details
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About the Evaluation and Maintenance stage?
the cycle may start again at this point
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Card 2

Front

About the Definition stage- who? Output?

Back

feasibillity, TELOS, analyst, feasibility report

Card 3

Front

About the investigation staage? input? output?

Back

Preview of the front of card 3

Card 4

Front

method for investigating current system?

Back

Preview of the front of card 4

Card 5

Front

about the design stage? input? purpose?

Back

Preview of the front of card 5
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