In a data dictionary, data elements are combined into ____, which are meaningful combinations of data elements that are included in data flows or retained in data stores.
a. fields
b. columns
c. records
d. decimals
Answer: C
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System Analysis Chapter 5
- A ____ table shows a logical structure, with all possible combinations of conditions and resulting actions.
- A ____ description documents the details of a functional primitive, which represents a specific set of processing steps and business logic.
- In the accompanying figure, the sequence structure is the completion of ____.
- ___ is based on combinations of the three logical structures, or control structures (one of which is shown in the accompanying figure), which serve as building blocks for the process.
- 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 data dictionary specifies a data element's ____, which is the set of values permitted for the data element.
- In a data dictionary, ____ is the maximum number of characters for an alphabetic or character data element or the maximum number of digits and number of decimal positions for a numeric data element.
- In a data dictionary, ____ refers to whether the data element contains numeric, alphabetic, or character values.
- In a data dictionary, any name other than the standard data element name is called a(n) ____.
- The data dictionary usually records and describes a default value, which is the ____.
- In a data dictionary, a(n) ____ is the smallest piece of data that has meaning within an information system.
- A data ____ is a central storehouse of information about a system's data.
- Balancing ____.
- 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.
- ____ maintains consistency among DFDs by ensuring that input and output data flows align properly.
- ____ is the process of drawing a series of increasingly detailed DFDs, until all functional primitives are identified.
- Leveling ____.
- Because diagram 0 is a(n) ____ version of process 0, it shows considerably more detail than a context diagram.
- If processes must be performed in a specific sequence, you document the information in the ____.
- ____ is/are logically impossible in a DFD because a process must act on input, shown by an incoming data flow, and produce output, represented by an outgoing data flow.
- A gray hole is a process that has ____.
- A black hole is a process that has ____.
- A spontaneous generation process is a process that has ____.
- A DFD shows ____.