AIS Chap 3
Many documentation tools are available to explain how a system works. Which tool provides a graphical description of the sources and destinations of data as well as data flow within the organization and the processes that transform and store that data? A)Data flow diagram B) Document flowchart C) Program flowchart D) System flowchart
A
A document flowchart is particularly useful: A) in identifying the inputs that enter the system. B) in analyzing the adequacy of control procedures C) in identifying the sequence of logical operations performed by the computer. D) in system analysis
B
A flowchart is: A) an analytical technique used to describe the data flows and sources and destinations and data stores of a system. B) an analytical technique used to describe some aspect of an information system in a clear, concise, and logical manner. C) A piece of hard plastic used to draw symbols D) a graphical description of the flow of data within an organization and the processes performed on that data, as well as the sources and destinations of data.
B
The data flow diagram symbol which represents data flows is the: A) Square B) Arrow C) Circle D) Parallel lines E) Parallelogram
B
Which documentation technique illustrates the flow of documents and information among areas of responsibility within an organization? A) Data flow diagram B) Document flowchart C) Process flowchart D) System flowchart
B
What do the circles on a data flow diagram represent? A) Data sources and destinations B) Data flows C) Transformation processes D) Data stores
C
Which function does the rectangle symbol represent in a flowchart? A) Online keying B) Display C) Computer processing D) Manual operation
C
Why are documentation tools important? A) They show how a system works B) They can be used to evaluate internal control systems C) Both answers a and b are correct D) Neither answer a air b is correct
C
An example of a data input would be a(n): A) Payroll check B) Tax payment C) Tax report D) Employee change form
D
Which of the following is not a guideline for drawing a Data Flow Diagram (DFD)? A) Develop a context diagram B) Subdivide the DFD C) Determine system boundaries D) Display the physical location of data files
D
A Data Flow Diagram (DFD) is composed of which elements? A) Data sources and destinations B) Data flows C) Transformation processes D) Data stores E) All of the above
E
Which of the following is a guideline for preparing flowcharts? A) Flowchart only the normal flow of operations. B) Assume that the reader will know the direction of the flow. C) Identify the entities to be flowcharted. D) Show final disposition of all documents. E) Include data stores where appropriate F) Answers to a, c, and d
F
Data Flows represent the transformation of data. True or False
False
On a systems flowchart, a document symbol may be directly linked to a magnetic disk/drive symbol. True or False
False
The Program Flowchart depicts the relationships among the input, processing, and output of an Accounting Information System (AIS). True or False
False
Data Flow Diagrams (DFDs) generally have to be subdivided to be made more understandable. True or False
True
The highest level DFD is called a Context Diagram. True or False
True
