The data dictionary usually records and describes a default value, which is the ____.
a. specification of the set of values permitted for the data element
b. identification of the user(s) responsible for changing values for the data element
c. specification for the origination point for the data element's value
d. value for the data element if a value otherwise is not entered for it
Answer: D
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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) ____.
- 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.
- 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 ____.