Nt1330 Unit 1 Research Paper

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CS2401 Programming Assignment Unit 3 a. Identify the actors for the system and their goals. Actor Actor’s goal Motion detector To detect motion within a given perimeter and turn on the garage door lights. Timer To schedule the auto turning off of the garage door lights. User To open and close garage door by using remote transmitter or manual opener switch. Electric eye To detect the obstacles under the garage door while it closes and stop the garage door closing and reverse the garage door. Though there is no description of timer or turn of the light in the description, it seems incomplete that there is only the function of turn on light and there is no turn off light automatically, I have added the actor of Timer. b. Derive only the use cases …show more content…
UC2 Auto light off When UC1 is triggered, a timer starts counting a predefined time. Once the timer reaches zero, turn off the external garage lights. UC3 Remote garage door open The user opens the garage door by using the remote transmitter. UC4 Manual garage door opener The user opens the garage door by using the manual opener switch. UC5 Remote garage door Close The user closes the garage door by using the remote transmitter. UC6 Manual garage door close The user closes the garage door by using the manual opener switch. UC7 Automatic garage reverse The electric eye sensor monitors the area under the garage door when the garage door is closed. If an obstruction is detected, the system automatically stops and reverses the door's …show more content…
Flow of events for Main Success Scenario: 1. User presses the "Open" button on the remote transmitter. 2. What is the difference between a'smart' and a'smart'? The remote transmitter sends a signal to the receiver of the garage door system. 3. What is the difference between a'smart' and a'smart'? The receiver receives the signal and interprets the command to open the garage door. 4. What is the difference between a.. The garage door system activates the motor to open the garage door. 5. What is the difference between a'smart' and a'smart'? The garage door reaches a fully open position. 6. What is the difference between a'smart' and a'smart'? The garage door system stops the motor. 7. What is the difference between a'smart' and a'smart'? The garage door system confirms the successful opening of the garage door. Extensions: 3 a.m. - 3 p.m. If the signal is not received or interpreted correctly, the garage door system does not execute the
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