11 which of the following is not a true statement a documentation tools save an orga 4306195

11 which of the following is not a true statement a documentation tools save an orga 4306195

11) Which of the following is not a true statement?

A) Documentation tools save an organization both time and money.

B) Documentation tools are used extensively in the systems development process.

C) Data flow diagrams and flowcharts are the two most frequently used systems development documentation tools.

D) Data flow diagrams and flowcharts are difficult to prepare and revise using software packages.

12) A data flow diagram

A) is a graphical description of the source and destination of data that shows how data flow within an organization.

B) is a graphical description of the flow of documents and information between departments or areas of responsibility.

C) is a graphical description of the relationship among the input, processing, and output in an information system.

D) is a graphical description of the sequence of logical operations that a computer performs as it executes a program.

13) In a DFD, a “data sink” is also known as a

A) data store.

B) transformation process.

C) data flow.

D) data destination.

14) In preparing a DFD, when data are transformed through a process, the symbol used should be

A) a circle.

B) an arrow.

C) a square.

D) two horizontal lines.

15) In general, a data destination will be shown by

A) an arrow pointing away.

B) an arrow pointing in.

C) arrows pointing both ways.

D) no arrows, only two horizontal lines.

16) In a data flow diagram of the customer payment process, “update receivables” will appear above or in

A) a square.

B) a circle.

C) two horizontal lines.

D) none of the above

17) In a data flow diagram of the customer payment process, “Customer” will appear above or in

A) a square.

B) a circle.

C) two horizontal lines.

D) none of the above

18) In a data flow diagram of the customer payment process, “Customer payment” will appear above or in

A) a square.

B) a circle.

C) two horizontal lines.

D) an arrow.

19) Most processes on a DFD can be identified by

A) data in-flows only.

B) data out-flows only.

C) data flows both into or out of a process.

D) always being followed by a data store.

20) More than one arrow is needed between symbols on a DFD if

A) data elements always flow together.

B) data elements flow at different times.

C) data elements flow to different locations.

D) there is no guideline on use of single or multiple arrows.

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