Question 1

An external entity is called a source or ________ of data,and is considered to be external to the study.

Accepted Answer

A) destination 
B) result 
C) answer 
D) confusion 
A) destination 
B) result 
C) answer 
D) confusion

Question 2

Which of the following is a goal of dividing a Web site into a series of Web pages?

Accepted Answer

A) improve the ease of maintaining the Web site 
B) improve the collection of Web metrics 
C) improve tracking of page movement by the customer 
D) improve the revenue obtained by page marketing 
A) improve the ease of maintaining the Web site 
B) improve the collection of Web metrics 
C) improve tracking of page movement by the customer 
D) improve the revenue obtained by page marketing

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

A use case summarizes an event and defines one activity.

Accepted Answer

A) True 
 B)False

Question 5

A use case:

Accepted Answer

A) summarizes an activity,its trigger,input,and output. 
B) describes a subsystem of a data flow diagram showing how the processes use data produced by other processes. 
C) describes how the data is partitioned into programs for different users. 
D) shows when the data is updated,read,created or deleted. 
A) summarizes an activity,its trigger,input,and output. 
B) describes a subsystem of a data flow diagram showing how the processes use data produced by other processes. 
C) describes how the data is partitioned into programs for different users. 
D) shows when the data is updated,read,created or deleted.

Question 6

Linear data flow from process to process is normal in higher level data flow diagrams.

Accepted Answer

A) True 
 B)False

Question 7

A logical data flow diagram:

Accepted Answer

A) includes types of programs,such as online or batch. 
B) is a model of how the system will be implemented. 
C) does not include any primitive processes. 
D) is a model of how the business operates. 
A) includes types of programs,such as online or batch. 
B) is a model of how the system will be implemented. 
C) does not include any primitive processes. 
D) is a model of how the business operates.

Question 8

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

Accepted Answer

A) Transaction data stores are identified. 
B) It is easier to create compared with the logical model. 
C) The sequence of processes is identified. 
D) Controls are included. 
A) Transaction data stores are identified. 
B) It is easier to create compared with the logical model. 
C) The sequence of processes is identified. 
D) Controls are included.

Question 9

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

Accepted Answer

A) event modeling. 
B) trigger analysis. 
C) response cases. 
D) CRUD model analysis. 
A) event modeling. 
B) trigger analysis. 
C) response cases. 
D) CRUD model analysis.

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Having separate Web forms to collect transaction data means that:

Accepted Answer

A) the forms are each quite complex with complex validation. 
B) the forms are less complex and easier to fill out. 
C) the processing will take place slowly. 
D) the Web site will not be as attractive. 
A) the forms are each quite complex with complex validation. 
B) the forms are less complex and easier to fill out. 
C) the processing will take place slowly. 
D) the Web site will not be as attractive.

Question 13

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

Accepted Answer

A) context 
B) concept 
C) user interface 
D) design 
A) context 
B) concept 
C) user interface 
D) design

Question 14

The data flow diagram graphically characterizes data processes and flows in a business system.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

1. Better communication with users 2. Mo

An external entity is called a source or ________ of data,and is considered to be external to the study.

Which of the following is a goal of dividing a Web site into a series of Web pages?

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

A use case summarizes an event and defines one activity.

A use case:

Linear data flow from process to process is normal in higher level data flow diagrams.

A logical data flow diagram:

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

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

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

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

Having separate Web forms to collect transaction data means that:

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

The data flow diagram graphically characterizes data processes and flows in a business system.

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

Systems, roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling, prototyping, and Scrum

Analyzing Systems Using Data Dictionaries

Process Specifications and Structured Decisions

Object-Oriented Systems Analysis and Design Using UML

Designing Effective Output

Designing Effective Input

Designing Databases

Human-Computer Interaction and Ux Design

Designing Accurate Data Entry Procedures

Quality Assurance and Implementation

Filters

Exam 7: Using Data Flow Diagrams

An external entity is called a source or ________ of data,and is considered to be external to the study.

Which of the following is a goal of dividing a Web site into a series of Web pages?

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

A use case summarizes an event and defines one activity.

A use case:

Linear data flow from process to process is normal in higher level data flow diagrams.

A logical data flow diagram:

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

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

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

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

Having separate Web forms to collect transaction data means that:

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

The data flow diagram graphically characterizes data processes and flows in a business system.

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

Systems, roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling, prototyping, and Scrum

Analyzing Systems Using Data Dictionaries

Process Specifications and Structured Decisions

Object-Oriented Systems Analysis and Design Using UML

Designing Effective Output

Designing Effective Input

Designing Databases

Human-Computer Interaction and Ux Design

Designing Accurate Data Entry Procedures

Quality Assurance and Implementation

Filters