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System Life Cycle

A2 ICT
by

Chloe Sansom

on 17 September 2010

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Transcript of System Life Cycle

System Life Cycle Definition of Problem Investigation and anaylsis Design Implementation Testing Installation Documentation Evaluation and Maintenence stage The stages.... ... looks at the existing system to see how it can be improved or if its possible to meet the needs of the end user ...Uses different methods to investigate the current system: Questionnaires, interviews, meetings... ...follows the set of objectives and begins to develop the design of the system this must be in conjunction with the client.. ...takes the design specification into practise macros, processing and queries will be developed to! ...Two main functions: check if there are any bugs or errors in the code
if the system correctly meets the defined user requirements ... The main strategies are.. Parallel
Phased
Pilot
Direct ...Documentation includes: program specification, recovery or operating procedures, user manuals and security details ...Forms the basis on which the decision is made to begin the cycle again.. The End :D
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