SYSTEMS DEVELOPMENT ANALYSIS
WHY IS SYSTEM ANALYSIS IMPORTANT
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Question
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Descriptions of entities
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Descriptions of bottom level processes
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Descriptions of top level processes
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Descriptions of ERD
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Detailed explanation-1: -elementary process in American English noun. Physical Chemistry. a chemical process complete in one step, characterized by the simultaneous interaction of all the atoms of two or more molecules.
Detailed explanation-2: -There are two basic types of elementary processes (data in motion and data at rest) in a software application. Data in motion has the characteristic of moving data inside to outside the application boundary or outside to inside the application boundary. An elementary process is similar to an acceptance test case.
Detailed explanation-3: -Elementary process – a discrete, detailed activity or task required to complete the response to an event. Also called a primitive process. The lowest level of detail depicted in a process model.
Detailed explanation-4: -Elementary comparison testing (ECT) is a white-box, control-flow, test-design methodology used in software development. The purpose of ECT is to enable detailed testing of complex software. Software code or pseudocode is tested to assess the proper handling of all decision outcomes.