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Author Question: Briefly describe the data-flow diagramming symbols. Provide one example of each. What will be an ... (Read 20 times)

imowrer

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on: Jul 7, 2018
Briefly describe the data-flow diagramming symbols. Provide one example of each.
 
  What will be an ideal response?

Question 2

A particular approach to developing an information system best describes:
 
  A) design strategy.
  B) problem statement.
  C) requirements statement.
  D) scope.
  E) systems service request.


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Tabitha_2016

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A rectangle with rounded corners represents a process. A process is the work or actions performed on data. The data store represents data at rest, and is represented by a rectangle with the right vertical line missing. A data flow represents data in motion, and is represented by an arrow. A source/sink is the origin or destination of data. Sources and sinks are identified by square symbols. Computing a grade point average is an example of a process. A file folder containing orders is an example of a data store. An enrollment form being routed through the enrollment center is representative of a data flow. A student enrolling in school is representative of a source/sink.
CL

Answer to Question 2

A
Explanation: A) A design strategy includes statements on the system's functionality, hardware and system software platform, and method for acquisition.
CL


imowrer

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Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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