Question 1

In a data flow diagram (DFD),the Gane and Sarson symbol for a data flow is a _____.

Accepted Answer

A)  segment of a differentiable curve 
B)  line with a single or double arrowhead 
C)  flat rectangle that is open on the right side and closed on the left side 
D)  triangle,which may be shaded to make it look three-dimensional 
A)  segment of a differentiable curve 
B)  line with a single or double arrowhead 
C)  flat rectangle that is open on the right side and closed on the left side 
D)  triangle,which may be shaded to make it look three-dimensional B

Question 2

In a data dictionary,a(n)_____ is the smallest piece of data that has meaning within an information system.

Accepted Answer

A)  field 
B)  index 
C)  record 
D)  pixel 
A)  field 
B)  index 
C)  record 
D)  pixel A

Question 3

The symbol for an entity is a circle.

Accepted Answer

A) True 
 B)False  False

Question 4

A _____ is a central storehouse of information about a system's data.

Accepted Answer

A)  data cube 
B)  data feed 
C)  data mart 
D)  data repository 
A)  data cube 
B)  data feed 
C)  data mart 
D)  data repository

Question 5

A data flow diagram shows the detailed contents of a data store.

Accepted Answer

A) True 
 B)False

Question 6

When a context diagram is expanded into data flow diagram (DFD)diagram 0,all the connections that flow into and out of process 0 must be retained.

Accepted Answer

A) True 
 B)False

Question 7

In a data flow diagram (DFD),the name of the process appears inside a rectangle.

Accepted Answer

A) True 
 B)False

Question 8

-Among the symbols in the accompanying figure,a _____ is a path for data to move from one part of the information system to another.

Accepted Answer

A)  data store 
B)  data flow 
C)  process 
D)  gray hole 
A)  data store 
B)  data flow 
C)  process 
D)  gray hole

Question 9

The data dictionary usually records and describes a default value,which is the _____.

Accepted Answer

A)  set of values permitted for the data element 
B)  identification of the user(s)responsible for changing values for the data element 
C)  specification for the origination point for the data element's value 
D)  value for the data element if a value otherwise is not entered for it 
A)  set of values permitted for the data element 
B)  identification of the user(s)responsible for changing values for the data element 
C)  specification for the origination point for the data element's value 
D)  value for the data element if a value otherwise is not entered for it

Question 10

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 11

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

Accepted Answer

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

Question 12

A _____ documents the details of a functional primitive and 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 
A)  logical description 
B)  primitive description 
C)  process description 
D)  function-based description

Question 13

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)  
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 14

A data dictionary specifies a data element's _____,which is the set of values permitted for the data element.

Accepted Answer

A)  index 
B)  domain 
C)  array 
D)  record 
A)  index 
B)  domain 
C)  array 
D)  record

Question 15

In data and process modeling,a(n)_____ shows what the system must do,regardless of how it will be implemented physically.

Accepted Answer

A)  organizational model 
B)  physical model 
C)  logical model 
D)  relational model 
A)  organizational model 
B)  physical model 
C)  logical model 
D)  relational model

Question 16

The only disadvantage of the four-model approach is the added time and cost needed to develop a logical and physical model of the current system.

Accepted Answer

A) True 
 B)False

Question 17

The primary purpose of pseudocode is to describe the underlying business logic of code.

Accepted Answer

A) True 
 B)False

Question 18

Spontaneous generation,black holes,and gray holes are impossible logically in a data flow diagram.

Accepted Answer

A) True 
 B)False

Question 19

In a data dictionary,_____ is the maximum number of characters for an alphabetic or character data element or the maximum number of digits and number of decimal positions for a numeric data element.

Accepted Answer

A)  domain 
B)  valence 
C)  length 
D)  index 
A)  domain 
B)  valence 
C)  length 
D)  index

Question 20

Which of the following is a benefit if they use the four-model approach?

Accepted Answer

A)  It will take less time to build a logical and physical model of the current system. 
B)  It will not require additional expenditures to develop logical and physical models of the current system. 
C)  It will provide a clear picture of current system functions before any modifications or improvements are made. 
D)  It will provide time to create the current system models even for projects with tight schedules. 
A)  It will take less time to build a logical and physical model of the current system. 
B)  It will not require additional expenditures to develop logical and physical models of the current system. 
C)  It will provide a clear picture of current system functions before any modifications or improvements are made. 
D)  It will provide time to create the current system models even for projects with tight schedules.

In a data flow diagram (DFD),the Gane and Sarson symbol for a data flow is a _____.

In a data dictionary,a(n)_____ is the smallest piece of data that has meaning within an information system.

The symbol for an entity is a circle.

A _____ is a central storehouse of information about a system's data.

A data flow diagram shows the detailed contents of a data store.

When a context diagram is expanded into data flow diagram (DFD)diagram 0,all the connections that flow into and out of process 0 must be retained.

In a data flow diagram (DFD),the name of the process appears inside a rectangle.

-Among the symbols in the accompanying figure,a _____ is a path for data to move from one part of the information system to another.

The data dictionary usually records and describes a default value,which is the _____.

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

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

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

Balancing _____.

A data dictionary specifies a data element's _____,which is the set of values permitted for the data element.

In data and process modeling,a(n)_____ shows what the system must do,regardless of how it will be implemented physically.

The only disadvantage of the four-model approach is the added time and cost needed to develop a logical and physical model of the current system.

The primary purpose of pseudocode is to describe the underlying business logic of code.

Spontaneous generation,black holes,and gray holes are impossible logically in a data flow diagram.

In a data dictionary,_____ is the maximum number of characters for an alphabetic or character data element or the maximum number of digits and number of decimal positions for a numeric data element.

Which of the following is a benefit if they use the four-model approach?

Introduction to Systems Analysis and Design

Analyzing the Business Case

Managing Systems Projects

Requirements Engineering

Object Modeling

Development Strategies

User Interface Design

Data Design

System Architecture

Managing Systems Implementation

Managing Systems Support and Security

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Exam 5: Data and Process Modeling

In a data flow diagram (DFD),the Gane and Sarson symbol for a data flow is a _____.

In a data dictionary,a(n)_____ is the smallest piece of data that has meaning within an information system.

The symbol for an entity is a circle.

A _____ is a central storehouse of information about a system's data.

A data flow diagram shows the detailed contents of a data store.

When a context diagram is expanded into data flow diagram (DFD)diagram 0,all the connections that flow into and out of process 0 must be retained.

In a data flow diagram (DFD),the name of the process appears inside a rectangle.

-Among the symbols in the accompanying figure,a _____ is a path for data to move from one part of the information system to another.

The data dictionary usually records and describes a default value,which is the _____.

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

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

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

Balancing _____.

A data dictionary specifies a data element's _____,which is the set of values permitted for the data element.

In data and process modeling,a(n)_____ shows what the system must do,regardless of how it will be implemented physically.

The only disadvantage of the four-model approach is the added time and cost needed to develop a logical and physical model of the current system.

The primary purpose of pseudocode is to describe the underlying business logic of code.

Spontaneous generation,black holes,and gray holes are impossible logically in a data flow diagram.

In a data dictionary,_____ is the maximum number of characters for an alphabetic or character data element or the maximum number of digits and number of decimal positions for a numeric data element.

Which of the following is a benefit if they use the four-model approach?

Introduction to Systems Analysis and Design

Analyzing the Business Case

Managing Systems Projects

Requirements Engineering

Object Modeling

Development Strategies

User Interface Design

Data Design

System Architecture

Managing Systems Implementation

Managing Systems Support and Security

Communication-Tools

Case-Tools

Financial-Analysis-Tools

Internet-Resource-Tools

Filters