CS-4447 Week 3 Quiz Study Questions (Ch. 5 & 6)

A class diagram resembles a horizontal flowchart that shows the actions and events as they occur.

False

In a data flow diagram (DFD), a process symbol can have only one outgoing data flow.

False

In a state transition diagram, the circle at the right with a hollow border is the initial state.

False

Just as objects are similar to adjectives, attributes resemble verbs that describe what and how an object does something.

False

To draw a context diagram, you start by placing a single process symbol on the top right corner of the page.

False

When drawing a context diagram, standardized names should be used within each set of symbols.

False

_____ is the process of drawing a series of increasingly detailed data flow diagrams (DFDs), until all functional primitives are identified.

Leveling

A use case represents the steps in a specific business function or process.

True

Attributes are similar to adjectives that describe the characteristics of an object.

True

Class diagrams evolve into code modules, data objects, and other system components.

True

Data flow diagram entities also are called terminators because they are data origins or final destinations.

True

Diagram 0 (the numeral zero, and not the letter O) provides an overview of all the components that interact to form the overall system.

True

In a data flow diagram (DFD), a data flow must have a process symbol on at least one end.

True

Processes contain the business logic, also called business rules, which transforms the data and produces the required results.

True

Spontaneous generation, black holes, and gray holes are impossible logically in a data flow diagram.

True

Among the symbols in the accompanying figure, a _____ receives input data and produces output that has a different content, form, or both.

process