Author Question: Which of the following statements about having a vendor perform package maintenance is false? A) ... (Read 80 times)

tichca

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Which of the following statements about having a vendor perform package maintenance is false?
 
  A) The vendor may go out of business before the clinet wishes to stop using the system.
  B) Vendors continue to support all prior versions of a package.
  C) New versions of a system may include undesired changes.
  D) A well-designed contract with a vendor can result in considerable cost avoidance over the life of the system.

Question 2

Describe methods and their relationships with operations.
 
  What will be an ideal response?



millet

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Answer to Question 1

B

Answer to Question 2

A method is how an operation is implemented or actually carried out by the object when it receives a message. In call events, both the operation and the method exist within one object. In signal and time events, the message sender specifies the event and the recipient implements it.



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