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29 Cards in this Set
- Front
- Back
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Systems Development
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activity of creating new or modifying existing systems
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Five phases of sytems development
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1.Investigation
2.Analysis 3.Design 4.Implementation 5.Maintenancce and Review |
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SDLC
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Systems Development life Cycle: ongoing activities associated with system development processs including 5 steps.
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Chart for five steps
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First two: look at current system and decide if should be improved
3 & 4 : modifying an existing system 5: new system is operating or not |
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Point
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1. Companies can loose moey during SDLC if it poorly conducted
2. SDLC requires team effort. The team is "devlopment team" |
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System stakeholders
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individuals who will benefit from the systems development project directly themselves or through organization.
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Users
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specific type of stakeholders: they interact with system on a regular basis e.g customers, employees suppliers , vendors
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Managers
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people within organization capable of initiating and maintaining change
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System investigation
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Understand problem
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Systems Analysis
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understand solution
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systems design
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select and plan best solution
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systems implementation
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place solution into effect
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systems maintenance and review
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maintain and evaluate solution
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Systems development specialists
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computer systems personnel
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Project leader
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guy incharge of systems development effort
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Systems analyst
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professional who specializes in analyzing and designing systems. they interact with stakeholders, usres, management, programmers, and others computer systems people. this is the GUY who makes plans a detail plan for new system
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Software programmer
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responsible for modifying existing programs to satisfy requirements he takes plans from systems analyst
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Computer systems management
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cheif information officer (CIO) depending on the need if he is needed if it is a big project
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TWO TYPES OF ANALYSIS FOR THE EDGE
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1. Creative
2. Critical |
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Creative Analysis
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seeking new approaches to existing problems
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Critical Analysis
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being skeptical and doubtful and requires questioning whether or not the current system is still effective and efficient
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Systems development planning
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translation of organizational or individual goals into systems development initiatives (problem solutions are selected before a complete understanding of nature of problem) see next card
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FOR LAST CARD
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a movie producer might want to hire stuntmen he has done it for long but a imaging system can help him o the thing
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Systems development planning
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u want to doouble sales then what to do for that by improving systems
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End-users systems development
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development of computer systems by individuals outside of formal computer systems planning structure for e.g by employees
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System development tools
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help simplify systems development process..like any tool this an be software engineering tools like decision tables or project management tools
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Software Engineering
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formal way of conducting systems deelopment typically employs systems development software commonly referred to as CASE tools. this is a "system development tool"
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CASE
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Computer-aided software engineering. : automates many of the tasks required in a systems development effort.
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CASE
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can help to make diagrams and develop new computer systems
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