Exam 7: Structuring System Process Requirements

A __________ is a data flow diagram of the scope of an organizational system that shows the system boundaries,external entities that interact with a system,and the major information flows between entities and the system.

Match each of the following terms with its description. -A data flow diagram that represents a system's major processes,data flows,and data stores at a high level of detail.

Which of the following is not a true statement regarding data flows?

Match each of the following terms with its description. -The lowest level of decomposition for a data flow diagram.

Match each of the data flow diagramming symbols with corresponding examples.(Answers may occur more than once.) -Customer order form

A fork in a data flow means that exactly the same data go from a common location to two or more different processes,data stores,or sources/sinks.

If an input from a source appears at level-0,it must:

Match each of the data flow diagramming symbols with corresponding examples.(Answers may occur more than once.) -Preparing a purchase order

If the different values for the employee type condition do not affect the action taken,then employee type is an indifferent condition.

A process has a:

The extent to which information contained on one level of a set of nested data flow diagrams is also included on other levels refers to:

Match each of the data flow diagramming symbols with corresponding examples.(Answers may occur more than once.) -Generate paycheck

On a data flow diagram,an arrow represents an action,such as calculating an employee's pay.

A gross violation of DFD consistency would be a level-1 diagram with no level-0 diagram.

A DFD that is the result of n nested decompositions from a process on a level-0 diagram,is called:

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

An __________ is a condition in a decision table whose value does not affect which actions are taken for two or more rules.

Student data contained on an enrollment form is represented on a data flow diagram as a:

Match each of the following terms with its description. -Using data flow diagrams to discover discrepancies between two or more sets of data flow diagrams,representing two or more states of an information system,or discrepancies within a single DFD.

Logic modeling graphically represents the processes that capture,manipulate,store,and distribute data between a system and its environment and among components within a system.