In data and process modeling, a(n) ____ model shows what the system must do, regardless of how it will be implemented physically.
A. operational
B. physical
C. logical
D. relational
C. logical
A DFD shows ____.
A. how data are related
B. what key fields are stored in the system
C. how a system transforms input data into useful information
D. what data is stored in the system
C. how a system transforms input data into useful information
____ is the process of drawing a series of increasingly detailed DFDs, until all functional primitives are identified.
A. Leveling
B. Balancing
C. Indexing
D. Exploding
A. Leveling
____ maintains consistency among DFDs by ensuring that input and output data flows align properly.
A. Balancing
B. Indexing
C. Leveling
D. Exploding
A. Balancing
A data ____ is a central storehouse of information about a system's data.
A. glossary
B. knowledgebase
C. content bank
D. repository
D. repository
In a data dictionary, ____ refers to whether the data element contains numeric, alphabetic, or character values.
A. value
B. type
C. valence
D. domain
B. type
In a data dictionary, some data elements have ____ rules, such as an employee's salary must be within the range defined for the employee's job classification.
A. domain
B. range
C. validity
D. mastered
C. validity
The iteration structure is the completion of ____.
A. one or more process steps based on the results of a test or condition
B. steps in a chronological order, one after another
C. a process step that is repeated until a specific condition changes
D. a spe
C. a process step that is repeated until a specific condition changes
Structured English might look familiar to programming students because it resembles ____, which is used in program design.
A. pseudocode
B. a decision tree
C. iterative code
D. decision code
A. pseudocode
A ____ table shows a logical structure, with all possible combinations of conditions and resulting actions.
A. pseudo
B. logic
C. decision
D. validity
C. decision