System Life Cycle 0.0 / 5 ? ICTThe System CycleA2/A-levelOCR Created by: harriet000Created on: 26-03-16 14:59 The 7 stages of the system Life Cycle? Definition, investigation and analysis, design, implementaion, testing, documentation, evaluation and maintenance 1 of 10 About the Definition stage- who? Output? feasibillity, TELOS, analyst, feasibility report 2 of 10 About the investigation staage? input? output? The full nature of the problem, uses the feasibility report, the requirment spec 3 of 10 method for investigating current system? Questionnaires, interviews, meetings,document analysis, observation 4 of 10 about the design stage? input? purpose? the requirment spec, develps the design of the system, design spec 5 of 10 About the implementation Stage? uses the design spec, putting design into practice, code is completed, programmer 6 of 10 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 7 of 10 About the Installation stage? in conjunstion with the documentation stage, uses the completed and tested code 8 of 10 About the Documentation Stage? documentation given to the end users includes detailed program specifications, user manuals, recovery procedures, security details 9 of 10 About the Evaluation and Maintenance stage? the cycle may start again at this point 10 of 10
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