Exam 7: Using Data Flow Diagrams

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

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

(Multiple Choice)
4.9/5
(43)

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

(True/False)
4.8/5
(35)

Which of these are reasons for partitioning a system?

(Multiple Choice)
4.9/5
(32)

A CRUD matrix shows where records are added, changed, used, and deleted from a file.

(True/False)
4.9/5
(34)

List three of the five advantages of a logical data flow diagram.

(Essay)
4.8/5
(46)

With a top-down approach, the diagrams move from specific to general.

(True/False)
4.9/5
(33)

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

(Multiple Choice)
4.9/5
(36)

A physical data flow diagram shows how the system will be implemented.

(True/False)
4.9/5
(38)

Data flow diagrams must be drawn working from left to right on the page.

(True/False)
4.8/5
(37)

Which of the following is not an advantage of using a logical model?

(Multiple Choice)
4.9/5
(43)

A CRUD matrix is a tool used to represent where master files are read, updated, created, and deleted within the system.

(True/False)
4.8/5
(28)

Ajax is used to:

(Multiple Choice)
4.8/5
(33)

A clear name on a data flow diagram makes it easier to understand what the process is accomplishing.

(True/False)
4.8/5
(34)

A CRUD matrix is used to show:

(Multiple Choice)
4.9/5
(39)

The data flow diagram may be used to analyze the proposed system.

(True/False)
4.9/5
(31)

The process of creating a simple data flow diagram fragment for each unique system trigger is called:

(Multiple Choice)
4.8/5
(27)

In a CRUD matrix, each row represents the data stores used for each:

(Multiple Choice)
4.8/5
(31)

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

(Multiple Choice)
4.9/5
(36)

Effective labels on data flow diagrams is a top priority.

(True/False)
5.0/5
(40)

The biggest advantage of the data flow approach lies in the conceptual freedom found in the use of the four symbols.

(True/False)
4.8/5
(41)
Showing 21 - 40 of 80
close modal

Filters

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