Exam 7: Using Data Flow Diagrams

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Base elements are elements that need to be keyed into the system.

(True/False)
4.9/5
(41)

Partitioning on a data flow diagram for an ecommerce Web site may be used to show:

(Multiple Choice)
4.8/5
(43)

A rectangle with rounded corners is used to show the occurrence of a transforming process.

(True/False)
4.9/5
(29)

A transaction file links two processes that execute at different times.

(True/False)
4.9/5
(30)

The highest level data flow diagram is called Diagram 0.

(True/False)
4.8/5
(35)

Each external entity is labeled with a noun.

(True/False)
4.9/5
(33)

Transaction files:

(Multiple Choice)
4.9/5
(33)

While the first ________ diagram helps the systems analyst grasp basic data movement, its general nature limits its usefulness.

(Multiple Choice)
4.8/5
(35)

Each time an external company or system is involved:

(Multiple Choice)
4.9/5
(34)

Processes in a rectangle with rounded corners sometimes denote something other than a change in or transformation of data or a system/subsystem.

(True/False)
4.9/5
(39)

A basic process is one that does not explode to a child diagram.

(True/False)
4.8/5
(36)

A logical data flow diagram focuses on how the business operates.

(True/False)
4.7/5
(33)

What are the four advantages of using a data flow approach over narrative explanations of data movement?

(Essay)
4.8/5
(30)

A use case summarizes an event and defines one activity.

(True/False)
4.8/5
(26)

What should be created each time data must be obtained from an external partner?

(Multiple Choice)
4.9/5
(31)
Showing 61 - 75 of 75
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)