Author Question: Which of the following statements about having a vendor perform package maintenance is false? A) ... (Read 21 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
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

  • Sr. Member
  • ****
  • Posts: 354
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

For a complete list of videos, visit our video library