A _____ documents the details of a functional primitive, which represents a specific set of processing steps and business logic.
process description
Using _____, an analyst starts with an overall view, which is a context diagram with a single process symbol, and then the analyst creates diagram 0, which shows more detail.
leveling
In a data flow diagram (DFD), the Gane and Sarson symbol for a data flow is a _____.
line with a single or double arrowhead
In a data dictionary, a(n) _____ is the smallest piece of data that has meaning within an information system.
field
In a data flow diagram (DFD), the Gane and Sarson symbol for a data store is a _____.
flat rectangle that is open on the right side and closed on the left side
Leveling _____.
uses a series of increasingly detailed data flow diagrams (DFDs) to describe an information system
Structured English might look familiar to programming students because it resembles _____, which is used in program design.
pseudocode
Balancing _____.
ensures that the input and output data flows of the parent data flow diagram (DFD) are maintained on the child data flow diagram (DFD)
Among the symbols in the accompanying figure, a _____ receives input data and produces output that has a different content, form, or both.
process
_____ maintains consistency among data flow diagrams (DFDs) by ensuring that input and output data flows align properly.
Balancing
The data dictionary usually records and describes a default value, which is the _____.
value for the data element if a value otherwise is not entered for it
A _____ shows how data acts through an information system but does not show program logic or processing steps.
data flow diagram
_____ is the process of drawing a series of increasingly detailed data flow diagrams (DFDs), until all functional primitives are identified.
Leveling
Among the symbols in the accompanying figure, a _____ is used to represent data that a system stores because one or more processes need to use the data at a later time
data store
In a data dictionary, any name other than the standard data element name is called a(n) _____
alias
In data and process modeling, a(n) _____ shows what the system must do, regardless of how it will be implemented physically.
logical model
In data flow diagrams (DFDs), a process resembles a _____, where the inputs, outputs, and general functions of the process are known, but the underlying details are not shown.
black box
A data flow diagram (DFD) shows _____.
how data in a system is turned into useful information
Among the symbols in the accompanying figure, a _____ is a path for data to move from one part of the information system to another.
data flow
Since diagram 0 is a(n) _____ version of process 0, it shows considerably more detail than a context diagram.
exploded