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=> An INFORMATION SYSTEM (IS) is a collection of hardware, software, data, people, and procedures that work together to produce quality information.
=> SYSTEM DEVELOPMENT is a set of activities used to build an information system.
==> SYSTEM DEVELOPMENT PHASES
--> PHASES: System development activities often are grouped into larger categories called phases.
This collection of phases sometimes is called the system development life cycle.
(SDLC). Many SDLCs contain five phases:
1. Planning 2. Analysis 3. Design 4. Implementation 5. Operation, Support, and Security
==> System Development Guidelines
1. Group activities or tasks into phases 2. Involve users 3. Define standards
=> A SYSTEM ANALYST is responsible for designing and developing an information system. The systems analyst is the users’ primary contact person. Some refer to a systems analyst as a system developer.
=> The steering committee is a decision-making body in an organization.
=> PROJECT MANAGEMENT is the process of planning, scheduling, and then controlling the activities during system development.
=> To plan and schedule a project effectively, the project leader identifies the following elements: Goal, objectives, and expectations of the project, collectively called the scope.
• Required activities
• Time estimates for each activity
• Cost estimates for each activity
• Order of activities
• Activities that can take place at the same time
After these items are identified, the project leader usually records them in a project plan. Project leaders can use project management software to assist them in planning, scheduling, and controlling development projects.
=> A Gantt chart, developed by Henry L. Gantt, is a bar chart that uses horizontal bars to show project phases or
activities.
=> PERT chart.
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