In the accompanying figure, the sequence 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 specific condition that is repeated until a process changes
___ 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.
a. Modular design
b. General design
c. Global design
d. Total design
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.
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.
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
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. uses a series of increasingly detailed DFDs to describe an information system
b. ensures that the input and output data flows of the parent DFD are maintained on the child DFD
c. uses a series of increasingly sketchy DFDs to describe an information system
d. ensures that the input and output data flows of the child DFD are maintained on the parent DFD
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.
a. uses a series of increasingly detailed DFDs to describe an information system
b. ensures that the input and output data flows of the parent DFD are maintained on the child DFD
c. uses a series of increasingly sketchy DFDs to describe an information system
d. ensures that the input and output data flows of the child DFD are maintained on the parent DFD