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Introduction to System Analysis and Design

Information Systems 

Organization today uses information systems to achieve strategic, tactical and operational advantage. Information systems capture, process, stores and retrieve information that satisfies the business requirements. They are either built for the organization or they are procured as an off-the-shelf software.  

Traditional systems development life cycle (SDLC)

System Development Life Cycle
SDLC

The software systems can be built in-house. Software system development consists of a number of phases. A traditional SDLC consists of four phases - System planning and selection, system analysis, system design, and system implementation and usage. System analysis and system design are critical phases of SDLC.

System Analysis and Design

System analysis and design is performed by a system analyst to ensure the effectiveness of the information system. An information system is considered to be effective when it is capable of catering the information requirements of an organization. An organization's goals, objectives, business strategy, processes and organizational structure should be considered when determining the effectiveness of its information system.
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