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55) Which of the following is NOT a process modeling deliverable?
A) A context data-flow diagram
B) Thorough descriptions of each DFD component
C) DFDs of the current physical system
D) An entity relationship diagram
E) DFDs of the new logical system
Classification: Concept
56) Data contained on a customer order form would be represented on a data-flow diagram as a:
A) process.
B) data flow.
C) source.
D) sink.
E) relationship.
Classification: Application
57) Student data contained on an enrollment form would be represented on a data-flow diagram
as a:
A) process.
B) data flow.
C) source.
D) data store.
E) relationship.
Classification: Application
11
58) Data in motion, moving from one place in a system to another, best describes a:
A) data store.
B) process.
C) source.
D) data flow.
E) relationship.
Classification: Concept
59) Data at rest, which may take the form of many different physical representations, best
describes a:
A) source.
B) data store.
C) data flow.
D) process.
E) relationship.
Classification: Concept
60) A file folder containing orders would be represented on a data-flow diagram as a:
A) process.
B) source.
C) data flow.
D) data store.
E) relationship.
Classification: Application
61) A computer-based file containing employee information would be represented on a data-flow
diagram as a(n):
A) data flow.
B) source.
C) data store.
D) process.
E) action stub.
Classification: Application
12
62) The calculation of an employee's salary would be represented on a data-flow diagram as a(n):
A) data flow.
B) source.
C) data store.
D) process.
E) action stub.
Classification: Application
63) Recording a customer's payment would be represented on a data-flow diagram as a(n):
A) process.
B) source.
C) data flow.
D) data store.
E) action stub.
Classification: Application
64) A supplier of auto parts to your company would be represented on a data-flow diagram as a:
A) process.
B) source.
C) data flow.
D) data store.
E) relationship.
Classification: Application
13
65) The shape of a data-flow (DFD) diagramming process is a(n):
A) arrow.
B) square.
C) rectangle.
D) rounded rectangle.
E) open box.
Classification: Concept
66) The work or actions performed on data so that they are transformed, stored, or distributed
defines:
A) source.
B) data store.
C) data flow.
D) process.
E) action stub.
Classification: Concept
67) The origin and/or destination of data, sometimes referred to as external entities defines:
A) source.
B) data store.
C) data flow.
D) process.
E) predecessor.
Classification: Concept
14
68) An arrow on a data-flow diagram represents a(n):
A) data store.
B) data flow.
C) process.
D) source.
E) action sequence.
Classification: Concept
69) A square on a data-flow diagram represents a sink or a:
A) data flow.
B) data store.
C) process.
D) predecessor.
E) source.
Classification: Concept
70) On a data-flow diagram, a rectangle represents a source or a(n):
A) data store.
B) process.
C) action stub.
D) data flow.
E) sink.
Classification: Concept
71) 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.
Classification: Concept
15
72) Which of the following is a true statement regarding sources/sinks?
A) Data must originate inside a system from one or more sources.
B) The system must produce information to only one sink.
C) Sources/sinks are always outside the information system.
D) If any processing takes place inside the source/sink, we are very interested in it.
E) Sinks and sources are used interchangeably.
Classification: Concept
73) Which of the following is most likely a source/sink for a manufacturing system?
A) A report
B) A file
C) Payment record
D) A bank deposit
E) A bank
Classification: Concept
74) Which of the following is true regarding the context diagram?
A) The process symbol is labeled "0."
B) The context diagram contains two processes.
C) Data stores must be shown on the context diagram.
D) The internal workings of the system are shown on the context diagram.
E) The context diagram organizes the processes in a tree-like structure.
Classification: Concept
16
75) A data-flow diagram that represents a system's major processes, data flows, and data stores at
a high level of detail refers to a:
A) context diagram.
B) level-1 diagram.
C) level-0 diagram.
D) level-00 diagram.
E) logic diagram.
Classification: Concept
76) If two processes are connected by a data flow, they are said to:
A) exhibit cohesion.
B) share the same data.
C) be coupled to each other.
D) be strapped to each other.
E) be intertwined.
Classification: Concept
77) By placing a data store between two processes, this:
A) decouples the processes.
B) enables store and forward capabilities.
C) enhances the flow of data between the processes.
D) structures the processes.
E) disintegrates the processes.
Classification: Concept
78) A miracle process is one that:
A) has only inputs.
B) has only outputs.
C) cannot be exploded further.
D) has insufficient inputs to produce the associated processes.
E) is connected directly to a source.
Classification: Concept
17
79) A black hole is a process that:
A) has only inputs.
B) has only outputs.
C) has not been exploded to show enough detail.
D) has insufficient inputs to produce the associated processes.
E) generates output directly to a sink.
Classification: Concept
80) Which of the following is a true statement regarding a data store?
A) Data can move directly from one data store to another data store.
B) Data stores illustrate relationships among entities.
C) A data store has a noun-phrase label.
D) Data can move from an outside source to a data store.
E) A data store shows data in motion.
Classification: Concept
81) Which of the following is NOT a true statement regarding data flows?
A) A data flow can go directly back to the same process it leaves.
B) A fork in a data flow means that exactly the same data go from a common location to two or
more different processes, data stores, or sources/sinks.
C) A data flow from a data store means retrieve or use.
D) A data flow has a noun-phrase label.
E) A data flow has only one direction of flow between symbols.
Classification: Concept
18
