Author Question: The advantage of building data flow diagrams based on events is that: A) events are small scale ... (Read 139 times)

sammy · **on:** Jul 7, 2018

The advantage of building data flow diagrams based on events is that:

A) events are small scale and easy to analyze for input and output.
B) users are familiar with the events within their business and know how the events drive other activities.
C) events fall into one of four categories: read, update, create, delete.
D) events are predictable and lend a high degree of stability to the data flow diagram.

Question 2

Which of the following helps to achieve the goal of minimal user action?

A) Only enter data that are not already stored on files.
B) Use appropriate default values on screens.
C) Provide keystrokes for selecting pull-down menu options.
D) All of the above.
E) A and C above.