Author Question: On a data-flow diagram, a rectangle with the right vertical line missing represents a: A) data ... (Read 131 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
On a data-flow diagram, a rectangle with the right vertical line missing represents a:
 
  A) data store.
  B) data flow.
  C) process.
  D) source.
  E) relationship.

Question 2

Reviewing computer screens, reports, and business forms for the purpose of gaining an understanding of data is indicative of the:
 
  A) investigative approach.
  B) business approach.
  C) bottom-up approach.
  D) top-down approach.
  E) conceptual approach.



Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

A
Explanation: A) A data store represents data at rest, which may take the form of many different physical representations.
CL

Answer to Question 2

C
Explanation: C) A bottom-up approach includes collecting information for data modeling by reviewing specific business documentscomputer displays, reports, and business formshandled within the system.
CL



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

For a complete list of videos, visit our video library