System Proposal

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System Development Life Cycle (SDLC)

Topics
• List and describe the classic functions of managers: planning, organizing, directing, and controlling
• Define “system,” “analysis,” and “design” • Describe the principal functions of the systems analyst • List and describe the phases of the systems development life cycle (SDLC) • Describe various data-gathering and analysis tools

• List and describe various system testing methods
• List and describe various system conversion methods

Classic Management Functions
• Planning – devising plans for the organization and setting goals to achieve the plan • Organizing – deciding how to use the organization’s resources and includes hiring and training workers • Directing – guiding employees to perform their work in a way that supports the organization’s goals • Controlling – monitoring the organization’s progress toward reaching its goals

Levels of Management
• Strategic level
• Long range
• Primary function: planning
• Tactical level
• Primary functions – organizing and staffing
• Operational level
• Primary functions – directing and controlling

System Development Life Cycle (SDLC)
• Managers at each level need information to help them make decisions, so they rely on some type of Information System. • How are Information Systems purchased or built?
• The process which includes analyzing the system requirements to designing and implementing a new system is called the System Development Life Cycle (SDLC).

Systems Analysis Design
• System – an organized set of related components established to accomplish a certain task • Computer system – a system that has a computer as one of its components

• Analysis - Studying an existing system to determine how it works and how it meets users’ needs • Typically happens as a result of some impetus for change, combined...
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