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Author Question: On an entity-relationship diagram, a rectangle represents a(n): A) data flow. B) entity. C) ... (Read 75 times)

evelyn o bentley

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on: Jul 7, 2018
On an entity-relationship diagram, a rectangle represents a(n):
 
  A) data flow.
  B) entity.
  C) multivalued attribute.
  D) repeating group.
  E) relationship.

Question 2

When comparing observations and document analysis:
 
  A) the time required to conduct observations compared to document analysis is low.
  B) the expense of the observation method is quite low.
  C) the potential audience of the observation method is limited.
  D) a clear commitment is discernible.
  E) the chances of probing and clarification are good with document analysis.


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memslove

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

B
Explanation: B) An entity (represented as a rectangle) is a person, place, object, event, or concept in the user environment about which the organization wishes to maintain data.
CL

Answer to Question 2

C
Explanation: C) As for document analysis, the audience can be potentially biased by which documents were kept.
CL


evelyn o bentley

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

ghepp

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Reply 3 on: Yesterday
:D TYSM

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