Question 1

-In a data flow diagram (DFD), a black hole is a process that has _____.

Accepted Answer

A)  no input 
B)  at least one output and one input, but the output obviously is insufficient to generate the input shown 
C)  no output 
D)  at least one input and one output, but the input obviously is insufficient to generate the output shown

Question 2

A _____ documents the details of a functional primitive, which represents a specific set of processing steps and business logic.

Accepted Answer

A)  logical description 
B)  primitive description 
C)  process description 
D)  function-based description

Question 3

Data stores are shown in a context diagram because data stores are external to the system.

Accepted Answer

A) True 
 B)False

Question 4

Nathan is an expert on all of the different kinds of process description tools. So, when his colleagues have questions, they know where to turn.
-Another of the firm's analysts is unable to figure out what is wrong with some structured English he has been using to describe the processing logic. Nathan walks over and spots the problem in an instant. Which of the following can Nathan identify as the problem?

Accepted Answer

A)  The structured English is indented. 
B)  The structured English is not using a sequence, selection, or iteration structure. 
C)  The structured English uses a limited vocabulary. 
D)  The structured English is used as a shorthand notation for actual code by programmers.

Question 5

In a data dictionary, data elements are combined into _____ that are meaningful combinations of data elements that are included in data flows or retained in data stores.

Accepted Answer

A)  fields 
B)  columns 
C)  records 
D)  decimals

Question 6

Explain what a data dictionary is, making sure to include definitions of the terms data element and record in your explanation. Provide examples of each of these terms as you include them.

Accepted Answer

The answer of Explain what a data dictionary is, making...

Question 7

The major benefit of _____ is that it gives a clear picture of current system functions before any modifications or improvements are made.

Accepted Answer

A)  the four-model approach 
B)  balancing 
C)  leveling 
D)  the Zachman Framework

Question 8

Using _____, an analyst starts with an overall view, which is a context diagram with a single process symbol, and then the analyst creates diagram 0, which shows more detail.

Accepted Answer

A)  balancing 
B)  indexing 
C)  exploding 
D)  leveling

Question 9

Matching
​Identify the letter of the choice that best matches the phrase or definition.
-A set of Data flow diagrams (DFDs) that produces a logical model of the system, but the details within those DFDs are documented separately in a data dictionary, which is the second component of this

Accepted Answer

A) ​Balancing 
B) ​Structured analysis 
C) ​Leveling 
D) Data flow diagram (DF
D)  
E) Physical model
F)​Data dictionary
G)Decision table
H)​Logical model
I)​Data flow
J)Record

Question 10

The analysts at Techno InfoSystems are considering the four-model approach to system development for a new client.
-Which of the following provides a report of all data flows and data stores that use a particular data element?

Accepted Answer

A)  Data dictionaries 
B)  Data types 
C)  Databases 
D)  Data warehouses

Question 11

Balancing _____.

Accepted Answer

A)  uses a series of increasingly detailed data flow diagrams (DFDs) to describe an information system 
B)  ensures that the input and output data flows of the parent data flow diagram (DF
D)  are maintained on the child data flow diagram (DF
D)  
C)  uses a series of increasingly sketchy data flow diagrams (DFDs) to describe an information system 
D)  ensures that the input and output data flows of the child data flow diagram (DF
D)  are maintained on the parent data flow diagram (DF
D)

Question 12

-_____ is based on combinations of the three logical structures, or control structures (one of which is shown in the accompanying figure), which serve as building blocks for the process.

Accepted Answer

A)  Modular design 
B)  Interface design 
C)  Visual design 
D)  Product design

Question 13

In a data dictionary, some data elements have _____ rules. For example, an employee's salary must be within the range defined for the employee's job classification.

Accepted Answer

A)  domain 
B)  range 
C)  validity 
D)  mastered

Question 14

In data flow diagrams (DFD), systems analysts call an entity that supplies data to the system a sink.

Accepted Answer

A) True 
 B)False

Question 15

A _____ is logically impossible in a data flow diagram (DFD) because a process must act on input, shown by an incoming data flow, and produce output, represented by an outgoing data flow.

Accepted Answer

A)  spontaneous combustion 
B)  gray matter 
C)  black hole 
D)  server farm

Question 16

In a data dictionary, _____ refers to whether the data element contains numeric, alphabetic, or character values.

Accepted Answer

A)  pool 
B)  type 
C)  valence 
D)  domain

Question 17

When a data flow diagram (DFD) is exploded, the higher-level diagram is called the child diagram, and the lower-level diagram is referred to as the parent diagram.

Accepted Answer

A) True 
 B)False

Question 18

Matching
​Identify the letter of the choice that best matches the phrase or definition.
-An analyst starts with an overall view, which is a context diagram with a single process symbol

Accepted Answer

A) ​Balancing 
B) ​Structured analysis 
C) ​Leveling 
D) Data flow diagram (DF
D)  
E) Physical model
F)​Data dictionary
G)Decision table
H)​Logical model
I)​Data flow
J)Record

Question 19

Matching
​Identify the letter of the choice that best matches the phrase or definition.
-​Shows what the system must do, regardless of how it will be implemented

Accepted Answer

A) ​Balancing 
B) ​Structured analysis 
C) ​Leveling 
D) Data flow diagram (DF
D)  
E) Physical model
F)​Data dictionary
G)Decision table
H)​Logical model
I)​Data flow
J)Record

Question 20

A decision tree is read from left to right, with the conditions along the various branches and the actions at the far left.

Accepted Answer

A) True 
 B)False

Exam 5: Data and Process Modeling

-In a data flow diagram (DFD) , a black hole is a process that has _____.

A _____ documents the details of a functional primitive, which represents a specific set of processing steps and business logic.

Data stores are shown in a context diagram because data stores are external to the system.

In a data dictionary, data elements are combined into _____ that are meaningful combinations of data elements that are included in data flows or retained in data stores.

Explain what a data dictionary is, making sure to include definitions of the terms data element and record in your explanation. Provide examples of each of these terms as you include them.

The major benefit of _____ is that it gives a clear picture of current system functions before any modifications or improvements are made.

Using _____, an analyst starts with an overall view, which is a context diagram with a single process symbol, and then the analyst creates diagram 0, which shows more detail.

Matching Identify the letter of the choice that best matches the phrase or definition. -A set of Data flow diagrams (DFDs) that produces a logical model of the system, but the details within those DFDs are documented separately in a data dictionary, which is the second component of this

The analysts at Techno InfoSystems are considering the four-model approach to system development for a new client. -Which of the following provides a report of all data flows and data stores that use a particular data element?

Balancing _____.

-_____ is based on combinations of the three logical structures, or control structures (one of which is shown in the accompanying figure) , which serve as building blocks for the process.

In a data dictionary, some data elements have _____ rules. For example, an employee's salary must be within the range defined for the employee's job classification.

In data flow diagrams (DFD), systems analysts call an entity that supplies data to the system a sink.

A _____ is logically impossible in a data flow diagram (DFD) because a process must act on input, shown by an incoming data flow, and produce output, represented by an outgoing data flow.

In a data dictionary, _____ refers to whether the data element contains numeric, alphabetic, or character values.

When a data flow diagram (DFD) is exploded, the higher-level diagram is called the child diagram, and the lower-level diagram is referred to as the parent diagram.

Matching Identify the letter of the choice that best matches the phrase or definition. -An analyst starts with an overall view, which is a context diagram with a single process symbol

Matching Identify the letter of the choice that best matches the phrase or definition. -Shows what the system must do, regardless of how it will be implemented

A decision tree is read from left to right, with the conditions along the various branches and the actions at the far left.

Exam 5: Data and Process Modeling

-In a data flow diagram (DFD) , a black hole is a process that has _____.

A _____ documents the details of a functional primitive, which represents a specific set of processing steps and business logic.

Data stores are shown in a context diagram because data stores are external to the system.

In a data dictionary, data elements are combined into _____ that are meaningful combinations of data elements that are included in data flows or retained in data stores.

Explain what a data dictionary is, making sure to include definitions of the terms data element and record in your explanation. Provide examples of each of these terms as you include them.

The major benefit of _____ is that it gives a clear picture of current system functions before any modifications or improvements are made.

Using _____, an analyst starts with an overall view, which is a context diagram with a single process symbol, and then the analyst creates diagram 0, which shows more detail.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -A set of Data flow diagrams (DFDs) that produces a logical model of the system, but the details within those DFDs are documented separately in a data dictionary, which is the second component of this

The analysts at Techno InfoSystems are considering the four-model approach to system development for a new client. -Which of the following provides a report of all data flows and data stores that use a particular data element?

Balancing _____.

-_____ is based on combinations of the three logical structures, or control structures (one of which is shown in the accompanying figure) , which serve as building blocks for the process.

In a data dictionary, some data elements have _____ rules. For example, an employee's salary must be within the range defined for the employee's job classification.

In data flow diagrams (DFD), systems analysts call an entity that supplies data to the system a sink.

A _____ is logically impossible in a data flow diagram (DFD) because a process must act on input, shown by an incoming data flow, and produce output, represented by an outgoing data flow.

In a data dictionary, _____ refers to whether the data element contains numeric, alphabetic, or character values.

When a data flow diagram (DFD) is exploded, the higher-level diagram is called the child diagram, and the lower-level diagram is referred to as the parent diagram.

Matching ​Identify the letter of the choice that best matches the phrase or definition. -An analyst starts with an overall view, which is a context diagram with a single process symbol

Matching ​Identify the letter of the choice that best matches the phrase or definition. -​Shows what the system must do, regardless of how it will be implemented

A decision tree is read from left to right, with the conditions along the various branches and the actions at the far left.

Matching Identify the letter of the choice that best matches the phrase or definition. -A set of Data flow diagrams (DFDs) that produces a logical model of the system, but the details within those DFDs are documented separately in a data dictionary, which is the second component of this

Matching Identify the letter of the choice that best matches the phrase or definition. -An analyst starts with an overall view, which is a context diagram with a single process symbol

Matching Identify the letter of the choice that best matches the phrase or definition. -Shows what the system must do, regardless of how it will be implemented