SYSTEMS DEVELOPMENT ANALYSIS
SYSTEMS DEVELOPMENT METHODS AND TOOLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Define the operations to be performed in the class
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Recognize the relationship between classes
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It is the graphics that define the delivery of the application.
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Identify objects and group them into classes
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Detailed explanation-1: -A Data-Flow Diagram (DFD) is a graphical visualization of the movement of data through an information system. DFDs are one of the three essential components of the structured-systems analysis and design method (SSADM).
Detailed explanation-2: -Data modeling is a structured approach to identify and analyze those data components of the information system specifications. This approach involves close work between the business and IT groups and adherence to a best practices approach to ensure that the data model is most appropriate for building the application.
Detailed explanation-3: -It focuses only on the flow of data between processes. It provides low level details of hardware, software, files, and people. It explains events of systems and data required by each event. It depicts how the current system operates and how a system will be implemented.