The disadvantage of the four-model approach is ____.

The disadvantage of the four-model approach is ____.

a. it gives an unclear picture of the current system functions before any modifications or improvements are made
b. the requirements of a new information system always are different from the current information system
c. the added time and cost needed to develop a logical and physical model of the current system
d. it results in unhappy users


Answer: C

The major benefit of ____ is that it gives a clear picture of current system functions before any modifications or improvements are made.

The major benefit of ____ is that it gives a clear picture of current system functions before any modifications or improvements are made.

a. the four-model approach
b. balancing
c. leveling
d. looping


Answer: A

A decision ____ is a graphical representation of the conditions, actions, and rules found in a decision table.

A decision ____ is a graphical representation of the conditions, actions, and rules found in a decision table.

a. base
b. tree
c. icon
d. index



Answer: B

Decision trees show the logic structure in a ____.

Decision trees show the logic structure in a ____.

a. vertical form that resembles a tree with the roots at the bottom and the branches at the top
b. horizontal form that resembles a tree with the roots at the left and the branches to the right
c. vertical form that resembles a tree with the roots at the top and the branches at the bot-tom
d. horizontal form that resembles a tree with the roots at the right and the branches to the left


Answer: B

___ also is called looping.

___ also is called looping.

a. Sequence
b. Selection
c. Iteration
d. Process description


Answer: C

Structured English might look familiar to programming students because it resembles ____, which is used in program design.

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


Answer: A

The iteration structure is the completion of ____.

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 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


Answer: C

Typical process description tools include ____.

Typical process description tools include ____.

a. context diagrams
b. decision trees
c. pseudocode
d. database tables


Answer: B

The selection structure is the completion of ____.

The selection structure is the completion of ____.

a. one or more process steps based on the results of a test or condition
b. steps in 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


Answer: A

In a DFD, the Gane and Sarson symbol for an entity is a ____.

In a DFD, the Gane and Sarson symbol for an entity is a ____.

a. rectangle with rounded corners
b. line with a single or double arrowhead
c. flat rectangle that is open on the right side and closed on the left side
d. rectangle, which may be shaded to make it look three-dimensional


Answer: D

In a DFD, the Gane and Sarson symbol for a data store is a ____.

In a DFD, the Gane and Sarson symbol for a data store is a ____.

a. rectangle with rounded corners
b. line with a single or double arrowhead
c. the flat rectangle that is open on the right side and closed on the left side
d. rectangle, which may be shaded to make it look three-dimensional


Answer: C

In a DFD, the Gane and Sarson symbol for data flow is a ____.

In a DFD, the Gane and Sarson symbol for data flow is a ____.

a. rectangle with rounded corners
b. line with a single or double arrowhead
c. flat rectangle that is open on the right side and closed on the left side
d. rectangle, which may be shaded to make it look three-dimensional


Answer: B

In a DFD, the Gane and Sarson symbol for a process is a ____.

In a DFD, the Gane and Sarson symbol for a process is a ____.

a. rectangle with rounded corners
b. line with a single or double arrowhead
c. flat rectangle that is open on the right side and closed on the left side
d. rectangle, which may be shaded to make it look three-dimensional


Answer: A

A ____ table shows a logical structure, with all possible combinations of conditions and resulting actions.

A ____ table shows a logical structure, with all possible combinations of conditions and resulting actions.

a. pseudo c. decision
b. logic d. validity


Answer: C

A ____ description documents the details of a functional primitive, which represents a specific set of processing steps and business logic.

A ____ description documents the details of a functional primitive, which represents a specific set of processing steps and business logic.

a. logic c. process
b. primitive d. function-based



Answer: C

In the accompanying figure, the sequence structure is the completion of ____.

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


Answer: B

___ 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.

___ 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


Answer: A

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, 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 c. validity
b. range d. mastered


Answer: C

A data dictionary specifies a data element's ____, which is the set of values permitted for the data element.

A data dictionary specifies a data element's ____, which is the set of values permitted for the data element.

a. range
b. domain
c. array
d. any of the above


Answer: B

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, ____ 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.

a. domain c. length
b. valence d. index


Answer: C