Question 1

Which of the following is a True statement regarding a data store?

Accepted Answer

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. 
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.

Question 2

If your DFD contains data flows that do not lead anywhere, it is not:

Accepted Answer

A)  gap proof. 
B)  a primitive diagram. 
C)  complete. 
D)  consistent. 
E)  balanced. 
A)  gap proof. 
B)  a primitive diagram. 
C)  complete. 
D)  consistent. 
E)  balanced.

Question 3

Because a data flow name represents a specific set of data, another data flow that has even one more or one less piece of data must be given a different, unique name.

Accepted Answer

A) True 
 B)False

Question 4

To keep a data-flow diagram uncluttered, you may repeat data stores, sinks/sources, and processes.

Accepted Answer

A) True 
 B)False

Question 5

A square on a data-flow diagram represents a sink or a:

Accepted Answer

A)  data flow. 
B)  data store. 
C)  process. 
D)  predecessor. 
E)  source. 
A)  data flow. 
B)  data store. 
C)  process. 
D)  predecessor. 
E)  source.

Question 6

A computer-based file containing employee information would be represented on a data-flow diagram as a(n):

Accepted Answer

A)  data flow. 
B)  source. 
C)  data store. 
D)  process. 
E)  action stub. 
A)  data flow. 
B)  source. 
C)  data store. 
D)  process. 
E)  action stub.

Question 7

Sources and sinks are internal to the system.

Accepted Answer

A) True 
 B)False

Question 8

A composite data flow on one level can be split into component data flows at the next level, but no new data can be added and all data in the composite must be accounted for in one or more subflows.

Accepted Answer

A) True 
 B)False

Question 9

The lowest level of decomposition for a data-flow diagram is called the:

Accepted Answer

A)  context diagram. 
B)  level-0 diagram. 
C)  level-1 diagram. 
D)  primitive diagram. 
E)  cohesive diagram. 
A)  context diagram. 
B)  level-0 diagram. 
C)  level-1 diagram. 
D)  primitive diagram. 
E)  cohesive diagram.

Question 10

Structured analysis techniques, such as data-flow diagramming, can help companies avoid misunderstanding how existing systems will have to work with the new system and incorrect specifications for necessary data, forms, and reports.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

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. 
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.

Question 12

Structured analysis is the process of discovering discrepancies between two or more sets of data-flow diagrams or discrepancies within a single DFD.

Accepted Answer

A) True 
 B)False

Question 13

No data stores appear on a context diagram.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is most likely a source/sink for a manufacturing system?

Accepted Answer

A)  A report 
B)  A file 
C)  Payment record 
D)  A bank deposit 
E)  A bank 
A)  A report 
B)  A file 
C)  Payment record 
D)  A bank deposit 
E)  A bank

Question 15

As a rule of thumb, no data-flow diagram should have more than about seven processes on it.

Accepted Answer

A) True 
 B)False

Question 16

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

Question 17

Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail.

Accepted Answer

A) True 
 B)False

Question 18

Data-flow diagrams (DFD) illustrate important concepts about the movement of data.

Accepted Answer

A) True 
 B)False

Question 19

On a data-flow diagram, a diamond represents a process.

Accepted Answer

A) True 
 B)False

Question 20

Assume Process 7.4 produces a data flow and that Process 7.2 must be ready to accept it; we would say that these processes are physically linked to each other.

Accepted Answer

A) True 
 B)False

Which of the following is a True statement regarding a data store?

If your DFD contains data flows that do not lead anywhere, it is not:

Because a data flow name represents a specific set of data, another data flow that has even one more or one less piece of data must be given a different, unique name.

To keep a data-flow diagram uncluttered, you may repeat data stores, sinks/sources, and processes.

A square on a data-flow diagram represents a sink or a:

A computer-based file containing employee information would be represented on a data-flow diagram as a(n):

Sources and sinks are internal to the system.

A composite data flow on one level can be split into component data flows at the next level, but no new data can be added and all data in the composite must be accounted for in one or more subflows.

The lowest level of decomposition for a data-flow diagram is called the:

Structured analysis techniques, such as data-flow diagramming, can help companies avoid misunderstanding how existing systems will have to work with the new system and incorrect specifications for necessary data, forms, and reports.

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

Structured analysis is the process of discovering discrepancies between two or more sets of data-flow diagrams or discrepancies within a single DFD.

No data stores appear on a context diagram.

Which of the following is most likely a source/sink for a manufacturing system?

As a rule of thumb, no data-flow diagram should have more than about seven processes on it.

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

Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail.

Data-flow diagrams (DFD) illustrate important concepts about the movement of data.

On a data-flow diagram, a diamond represents a process.

Assume Process 7.4 produces a data flow and that Process 7.2 must be ready to accept it; we would say that these processes are physically linked to each other.

The Systems Development Environment

The Sources of Software

Managing the Information Systems Project

Systems Planning and Selection

Determining System Requirements

Structuring System Requirements: Conceptual Data Modeling

Designing the Human Interface

Designing Databases

Systems Implementation and Operation

Filters

Exam 6: Structuring System Requirements: Process Modeling

Which of the following is a True statement regarding a data store?

If your DFD contains data flows that do not lead anywhere, it is not:

Because a data flow name represents a specific set of data, another data flow that has even one more or one less piece of data must be given a different, unique name.

To keep a data-flow diagram uncluttered, you may repeat data stores, sinks/sources, and processes.

A square on a data-flow diagram represents a sink or a:

A computer-based file containing employee information would be represented on a data-flow diagram as a(n):

Sources and sinks are internal to the system.

A composite data flow on one level can be split into component data flows at the next level, but no new data can be added and all data in the composite must be accounted for in one or more subflows.

The lowest level of decomposition for a data-flow diagram is called the:

Structured analysis techniques, such as data-flow diagramming, can help companies avoid misunderstanding how existing systems will have to work with the new system and incorrect specifications for necessary data, forms, and reports.

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

Structured analysis is the process of discovering discrepancies between two or more sets of data-flow diagrams or discrepancies within a single DFD.

No data stores appear on a context diagram.

Which of the following is most likely a source/sink for a manufacturing system?

As a rule of thumb, no data-flow diagram should have more than about seven processes on it.

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

Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail.

Data-flow diagrams (DFD) illustrate important concepts about the movement of data.

On a data-flow diagram, a diamond represents a process.

Assume Process 7.4 produces a data flow and that Process 7.2 must be ready to accept it; we would say that these processes are physically linked to each other.

The Systems Development Environment

The Sources of Software

Managing the Information Systems Project

Systems Planning and Selection

Determining System Requirements

Structuring System Requirements: Conceptual Data Modeling

Designing the Human Interface

Designing Databases

Systems Implementation and Operation

Filters