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Author Question: Explain the difference between trigger and precondition. What will be an ideal ... (Read 74 times)

evelyn o bentley

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on: Jul 7, 2018
Explain the difference between trigger and precondition.
 
  What will be an ideal response?

Question 2

The process of abstraction involves selecting certain characteristics and/or certain behaviors and casting off what does not concern us.
 
  Indicate whether the statement is true or false


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trog

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A trigger is the event that starts the use case. A precondition defines the state of the system before a use case can start. The trigger occurs, or can occur, only if the preconditions to the use case are met. A use case may have more than one trigger.

Answer to Question 2

TRUE


evelyn o bentley

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Reply 2 on: Jul 7, 2018
Gracias!

cassie_ragen

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Reply 3 on: Yesterday
Excellent

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