SYSTEMS DEVELOPMENT ANALYSIS
APPLICATION DEVELOPMENT PROCESSES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Software Analysis
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Flowchart
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Data Dictionary
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DFD
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Detailed explanation-1: -A data dictionary lists all data items appearing in the DFD model of a system.
Detailed explanation-2: -It lists all the data items appearing in DFD. A data dictionary in Software Engineering means a file or a set of files that includes a database’s metadata (hold records about other objects in the database), like data ownership, relationships of the data to another object, and some other data.
Detailed explanation-3: -A data flow diagram (DFD) is a graphical or visual representation using a standardized set of symbols and notations to describe a business’s operations through data movement. They are often elements of a formal methodology such as Structured Systems Analysis and Design Method (SSADM).
Detailed explanation-4: -A Data Dictionary is a collection of names, definitions, and attributes about data elements that are being used or captured in a database, information system, or part of a research project.
Detailed explanation-5: -In essence, a data dictionary is a virtual database of metadata about an information system itself. A data dictionary may also be referred to as a “system catalog.”