CSC 401 : Decompose a Large System into Subsystems - Software Flowchart - Computer Science Assignment Help

Assignment Task :

Learning Outcomes:
1. Apply UML to create analysis and design models.
2. State measurable requirements for a software system.
3. Decompose a large system into subsystems and do object design.
4. Translate system models into implementation code.
5. Test a system against specific requirements.
6. Work effectively in a team.

Assignment 

Given the software flowchart below, apply the COSMIC-FFP method to measure its size.

The Car Lock system has a keypad as shown the picture below. The car has a timer that locks the doors after 30 second of pressing the unlock button.

Step1: Identify the Application FURs [Functional user Requirements]

• FUR 1 – on receipt of the Lock signal 

  • The software: 

    • sends a ‘Turn ON’ signal to the Door Locks

    • System locks the car.

• FUR 2 – on receipt of the Unlock signal 

  • The software: 

    • sends a ‘Turn OFF’ signal to the Door Locks

    • System unlocks the car.

• FUR 3– on receipt of a 30-second signal 

  • After 30 seconds from when Unlock button is pressed, the software: 

    • receives the 30-second signal. 

    • gets the Actual Doors Mode from the system. 

    • sends a Turn ON signal to the Locks if doors are unlocked.

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