Software Requirements Engineering and UML

Question 1

Name two types of requirements in Software Requirements Engineering

Answer 1

Functional Requirements: Specify the functionalities the system should provide.
Non-Functional Requirements: Describe the characteristics and qualities the system should possess.

Question 2

Which type of requirements can be modeled with Use Case Diagram?

Answer 2

Use Case Diagram can model Functional Requirements.

Question 3

Explain the following two Use Case relationships using examples:

Include
Extends

Answer 3

. Include: Describes the relationship where one use case includes the behavior of another. Example: “Withdraw Money” includes “Authenticate User.”
ii. Extends: Describes the relationship where one use case can optionally extend the behavior of another. Example: “Change PIN” extends “Authenticate User.”

Question 4

Use UML notation to represent the class Professor.

Answer 4

+——————+
| Professor |
+——————+
| -age: int |
| #Title: string |
| Surname: string |
| Firstname: string |
+——————+
| +Create(): string|
| +Save(): string |
| +Delete(): string|
| +Change(): string |
+——————+

Question 5

State any four (4) common stereotypes used with Class diagrams.

Answer 5

«Entity»
«Boundary»
«Control»
«Utility»

Question 6

Show notation of the following modes of associations.

Answer 6

i. Many
ii. Zero to Many
iii. One to 100