CIS 111 week 5 homework

1. A representation of some aspect of the system being built is a
tool.
technique.
model.
GUI.

2. Which of the following describes the function of models?
Models provide a way of storing information for later use in a form that can be readily digested.
Models assist in communication with the system users.
Models leave behind a clear record of what was created for maintenance use.
All of the above.

3. A series of formulas that describe technical aspects of a system is a
concrete model.
descriptive model.
graphical model.
mathematical model.

4. Narrative memos, reports, or lists that describe some aspect of a system is a
descriptive model.
concrete model.
mathematical model.
graphical model.

5. Which of the following is NOT an example of a descriptive model?
Narrative memo
Chart
Report
List

6. Diagrams and schematic representations of some aspect of a system is a
logical model.
graphical model.
mathematical model.
descriptive model.

7. Structured English or pseudocode is an example of a
concrete model.
descriptive model.
mathematical model.
graphical model.

8. Which of the following is NOT an example of a graphical model?
Schematic representations
Report layout designs
Structured English
Screen layout designs

9. Which of the following is NOT an example of abstract things represented by symbols in a graphical model?
Data
Objects
Messages
All are examples

10. The define system requirements activity, which involves creating a variety of models, is part of the ____ phase.
planning
design
analysis
support

11. Creating physical models during the design the application architecture activity is part of the ____ phase.
analysis
planning
support
design

12. An occurrence at a specific time and place, that can be described and is worth remembering, is called a(n)
external agent.
event.
temporary effect.
state of requirement.

13. An event that occurs outside the system, usually initiated by an external agent or actor, is called a(n) ____ event.
logical
external
temporal
state

14. An event that occurs as a result of reaching a point in time is called a(n) ____ event.
temporal
logical
external
State

15. An event that occurs when something happens inside the system that triggers the need for processing is called a(n) ____ event.
logical
state
external
temporal