Author Question: Which of the following statements about having a vendor perform package maintenance is false? A) ... (Read 97 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?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library