ICT700 : Systems Analysis The Characteristics of their Superclasses - IT Assignment Help

Assignment Task :

Task:

Multiple-choice questions (0.5 marks each … total 5 marks)
For the following multiple-choice questions, circle the answer that you think best answers the question:
1. A concept that allows subclasses to share the characteristics of their superclasses is called ____.
A. aggregation
B. composition
C. multiplicity
D. inheritance
2. A _______ is an institution's name and public key, which is encrypted and certified by a
third party.
A. private key
B. digital certificate
C. certifying authority
D. digital key
3. The specific area of the user’s business need that is within the scope of the new system is
called the _______
A. use cases
B. user specifications
C. functional requirements
D. problem domain
4. In a fully developed use case description, what do the exception conditions represent?
A. conditions that might cause the system to crash
B. conditions that prevent the system from successfully completing the use case
C. conditions that will confuse the actor
D. the system might have “bugs” and produce erroneous results
5. The ____ are the primary models from which other models draw information.
A. state chart diagram and the problem domain class diagram
B. system sequence diagram and the activity diagram
C. use case diagram and the problem domain class diagram
D. fully developed use case description and state chart diagram
6. A good way to ensure that all the use cases have been identified is through _______________.
A. the integration of UML models and comparing the results
B. the brainstorming technique
C. the CRUD (Create Read Update Delete) technique
D. the noun technique

7. A major comparison between analysis and design can be stated as:
A. analysis includes users, design does not
B. analysis builds models, design does not
C. analysis is complex, design is simpler
D. analysis is understanding, design is solution

8. What is the name of a general control technique used to ensure that entered data is
correct?
A. Data validation control
B. Data access control
C. Data acceptance control
D. Data completeness control
9. A primary model used in software design is which of the following?
A. Component model
B. Deployment model
C. System sequence diagram
D. Design class diagram
10. An adaptive approach to a development project is best used when _______.
A. the system has low technical risk
B. the requirements are simple and the system is small
C. the requirements are well understood
D. the requirements are uncertain

Short Answer Questions (Total 45 marks)
11. A certain set of values or statuses that must exist after a use case completes its processing is called a(n) _________________ (2 Marks)

12. _____________ _____________ is an XP practice in which two programmers work together on designing, coding, and testing. (2 Marks)

13. In a relationship where there are superclasses and subclasses, the relationship is called a(n) ____________________ relationship (2 Marks)

14. When the appearance of a specific control suggests its function, what is this concept known as ____________________ (2 Marks)

15. The sequence of tasks in a schedule that cannot be delayed without delaying the project is called the ____________ ____________ (2 Marks)

16. One of the core processes required in any system development life cycle (SDLC) is “Design system components”. Within this core process, there are five main systems design activities to be carried out. List and briefly describe three of these design activities. (6 Marks)

17. Identify and briefly describe each of the four metaphors for designing the Human-Computer Interface. (6 Marks)

18. Designing the User Interface (UI) requires a sound understanding of various concepts including user experience (UX), usability and user-centred design. Define these four conceptsand explain the relationship between them.

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