TRUE/FALSE questions:

1			A data flow diagram is a data model.
			A)	True
			B)	False
2			In a data flow diagram, rounded rectangles are processes and squares are external agents.
			A)	True
			B)	False
3			One example of an external agent on a data flow diagram is another system that provides inputs to or receives outputs from the system being studied.
			A)	True
			B)	False
4			An event is a logical unit of work that must be completed as a whole.
			A)	True
			B)	False
5			System analysts use decomposition diagrams to depict a top-down flow of data through a system and the processing performed by the system.
			A)	True
			B)	False
6			One example of an elementary process is CALCULATE ORDER COST.
			A)	True
			B)	False
7			A control flow is a data flow that consists of other data flows.
			A)	True
			B)	False
8			Data flows should always begin or end at a process.
			A)	True
			B)	False
9			System analysts use primitive diagrams to depict a data flow for a single event handler.
			A)	True
			B)	False
10			Simple condition steps can be translated into programming language as in If test.
			A)	True
			B)	False

Multiple Choice questions:

11			A discrete, detailed task required to complete the response to an event is known as a(n):
			A)	function
			B)	elementary process
			C)	event
			D)	internal process
			E)	black hole
12			Which of the following is an example of a logical process?
			A)	determining availability of an ordered product
			B)	computing grade point average
			C)	generating a report
			D)	identifying overdue invoices
			E)	all of the above
13			A process model used to document the scope of a system is
			A)	top-level data flow diagram
			B)	environmental model
			C)	decomposition diagram
			D)	control flow diagram
			E)	hierarchical diagram
14			A data flow indicating that all or parts of a single data flow are routed to different destinations is a(n):
			A)	diverging data flow
			B)	converging data flow
			C)	routing data flow
			D)	partial data flow
			E)	none of the above
15			A logical unit of work that must be completed as a whole is known as a(n):
			A)	elementary process
			B)	primitive process
			C)	trigger
			D)	data store
			E)	none of the above
16			Which of the following is (are) common errors on data flow diagrams?
			A)	a process with no inputs
			B)	a data flow from an external agent to a process
			C)	a data flow from an external agent to a data store
			D)	both (a) and (c)
			E)	all of the above
17			A process that has inputs but no outputs is a(an):
			A)	gray hole
			B)	elementary process
			C)	basic process
			D)	function
			E)	none of the above
18			A data flow diagram:
			A)	is a process model
			B)	depicts the flow of data through a system
			C)	uses rounded rectangles to represent processes
			D)	depicts the processing performed by the system
			E)	all of the above
19			In a data flow diagram, a data flow that consist of other data flows is a(an):
			A)	control flow
			B)	compound flow
			C)	composite flow
			D)	complex flow
			E)	generalization flow
20			The act of breaking a system into its component subsystems, processes, and sub-processes is known as:
			A)	composition
			B)	generalization
			C)	normalization
			D)	process modeling
			E)	none of the above