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

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

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System Analysis and Design
An open rectangle

identifies data flow
represents a process that transforms incoming data flow(s) into outgoing data flows
defines a source or destination of system data
None of these
is a data store-data at rest, or a temporary repository of data

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System Analysis and Design
The black-box concept:

All of these
assumes that inputs and outputs will remain stable
assumes that the black box is independent
None of these
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.

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