Faculty of Computer Studies Course Code: M363 Course Title: Software Engineering with Objects Tutor Marked Assignment Cut-Off Date: 04/05/2016 Total...

Question 2 20 Marks

This question analyses the students’ knowledge and understanding in analyzing given scenario to build activity diagrams studied in Unit-3 of the module

The following is a use case description of the AOU’s tutors’ steps in using Learning Management System. Draw a UML activity diagram according to the given description.

Use case name

upload course materials on LMS

Initiator

Tutor or LMS Administrator

Goal

Course file to be uploaded

Pre conditions

1. The system is designed with the course pages

2. The tutor is given user ID

3. The tutor is assigned with their courses in the system

Post conditions

1. The file is uploaded to the system

2. The LMS administrator is notified of with an acknowledgement

3. The event is logged by the system

Main success scenario

1. The AOU tutor logs into the system by entering his/her username and password;

2. The system checks the username and password;

3. The system displays the list of courses those are assigned to the tutor

M363 TMA Fall 2015/2016 Page 3

4. The tutor selects the course where the material to be uploaded

5. The tutor selects the option of upload file

6. The system prompts the tutor to enter the description, file name and additional information if any

7. The tutor enters description and file name and types in the additional information also selects the location of the file

8. The tutor selects the course file and the file is uploaded to the system

9. The system saves the file

10. The system confirms the success of uploading the file

11. The system notifies the LMS administrator about the submission

12. The user quit the system or upload other files

Extensions and alternative steps of events

When the username and password provided by the tutor is not correct

Display error message

Prompts to re-enter the user name and password

When the tutor is not a valid user,

Quit the system

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