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

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A square on a data-flow diagram represents a sink or a:
 
  A) data flow.
  B) data store.
  C) process.
  D) predecessor.
  E) source.

Question 2

Forms are important for understanding a business because they:
 
  A) indicate the correct sequencing of tasks.
  B) describe how particular tasks are performed.
  C) indicate what data flow in or out of a system and which are necessary for the system to function.
  D) enable you to work backwards from the information on a report to the necessary data that must have been necessary to generate them.
  E) identify duplicate efforts within a system.

[Liddy]

Answer to Question 1

E
Explanation: E) On a data-flow diagram, a square represents a source or sink, which accounts for the origin and destination of data.
CL

Answer to Question 2

C
Explanation: C) Forms are used for all types of business functions, from recording an order to acknowledging the payment of a bill to indicating what goods have been shipped. Analyzing these forms provides a glimpse of data flow.
CL

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