System Analysis and Design
The four icons used in building Data Flow Diagram are

Flow, Source, Store, Process
None of these
Source, Process, Destination, Store
Flow, Process, Source, Store
Flow, Process, Source/Destination, Store

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System Analysis and Design
The background and experience of analyst include;

a background in systems theory and organization behavior
competence in system tools and methodologies and a practical knowledge of one or more programming and data base languages.
None of these
All of these
familiarity with the makeup and inner workings of major application areas such as financial accounting, personnel administration, marketing and sales, operations management, model buil

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