Exam 5: Data and Process Modeling

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.

Which of the following will NOT be developed if they decide to use the four-model approach?

Many systems analysts create a physical model of the current system and then develop a logical model of the current system before tackling a logical model of the new system.

In modular design, each logical structure must have multiple entry and exit points.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Model that shows what the system must do, regardless of how it will be implemented.

One of the firm's beginner analysts is working on a financial process that will continue to print vendor payments until it reaches the end of the file. Which of the following processes will Evan suggest that the analyst use?

MATCHING Identify the letter of the choice that best matches the phrase or definition. -In addition to documenting each data element, all data flows must be documented here.

More complex systems have fewer processes, and analysts need only work through very few levels to identify the functional primitives.

In the Gane and Sarson symbol set, the symbol for a(n) ____________________ is a rectangle with rounded corners.

Another of the firm's analysts has been pounding his head against his desk for 10 minutes because he cannot figure out what is wrong with some structured English he has been using to describe the processing logic. Evan walks over and spots the problem in an instant. Which of the following can be what Evan identifies as the problem?

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Shows how a system transforms input data into useful information.

In addition to the Gane and Sarson symbol set, another popular symbol set is ____________________.

In a data dictionary, any name other than the standard data element name is called a(n) ____.

Decision trees show the logic structure in a ____.

Typical process description tools include all of the following EXCEPT ____.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -In addition to multiple conditions, this can have more than two possible outcomes.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -A set of DFDs produces a logical model of the system, but the details within those DFDs are documented separately in a data dictionary, which is the second component of this.

A black hole process is a process that has ____.

DFD symbols are referenced by using all ____ letters for the symbol name.

In data and process modeling, a(n) ____ model shows what the system must do, regardless of how it will be implemented physically.