Question 1

The act of going from a single system to several component processes refers to:

Accepted Answer

A)  structuring. 
B)  balancing. 
C)  decomposition. 
D)  formatting. 
E)  regeneration.

Question 2

Which of the following is a true statement regarding sources/sinks?

Accepted Answer

A)  Data must originate outside a system from one or more sources. 
B)  The system must produce information to one or more sinks. 
C)  Sources/sinks are always outside the information system and define the boundaries of the system. 
D)  If any processing takes place inside the source/sink, we are not interested in it. 
E)  All of the above are true statements.

Question 3

Assume your local veterinarian records information about each of his patients on patient medical history forms; the collection of medical history forms is represented on a data-flow diagram as a data store.

Accepted Answer

A) True 
 B)False

Question 4

On a data-flow diagram, a rectangle with the right vertical line missing represents a data store.

Accepted Answer

A) True 
 B)False

Question 5

A gross violation of DFD consistency would be a level-1 diagram with no level-0 diagram.

Accepted Answer

A) True 
 B)False

Question 6

Logic modeling graphically represents the processes that capture, manipulate, store, and distribute data between a system and its environment and among components within a system.

Accepted Answer

A) True 
 B)False

Question 7

What is gap analysis? Why is gap analysis useful?

Accepted Answer

The answer of What is gap analysis? Why is gap...

Question 8

For each of the following statements, answer "a" if the statement is a true data-flow diagramming rule, and answer "b" if the rule is false.
-Objects on a DFD have unique names.

Accepted Answer

The answer of For each of the following statements, answer...

Question 9

Data contained on a customer order form would be represented on a data-flow diagram as a:

Accepted Answer

A)  process. 
B)  data flow. 
C)  source. 
D)  sink. 
E)  relationship.

Exam 6: Structuring System Requirements: Process Modeling

The act of going from a single system to several component processes refers to:

Which of the following is a true statement regarding sources/sinks?

Assume your local veterinarian records information about each of his patients on patient medical history forms; the collection of medical history forms is represented on a data-flow diagram as a data store.

On a data-flow diagram, a rectangle with the right vertical line missing represents a data store.

A gross violation of DFD consistency would be a level-1 diagram with no level-0 diagram.

Logic modeling graphically represents the processes that capture, manipulate, store, and distribute data between a system and its environment and among components within a system.

What is gap analysis? Why is gap analysis useful?

For each of the following statements, answer "a" if the statement is a true data-flow diagramming rule, and answer "b" if the rule is false. -Objects on a DFD have unique names.

Data contained on a customer order form would be represented on a data-flow diagram as a: