Author Question: Briefly describe the data-flow diagramming symbols. Provide one example of each. What will be an ... (Read 59 times)

imowrer · **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.

Tabitha_2016 · **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