Author Question: On a data-flow diagram, a rectangle with the right vertical line missing represents a: A) data ... (Read 73 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?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

For a complete list of videos, visit our video library