This topic contains a solution. Click here to go to the answer

Author Question: On an entity-relationship diagram, a rectangle represents a(n): A) data flow. B) entity. C) ... (Read 70 times)

evelyn o bentley

  • Hero Member
  • *****
  • Posts: 564
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

memslove

  • Sr. Member
  • ****
  • Posts: 321
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

  • Member
  • Posts: 564
Reply 2 on: Jul 7, 2018
Wow, this really help


okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

For a complete list of videos, visit our video library