Answer:
In Vista and Windows 7, the Appearance and Personalization option allows you to change the background.
A: provides its services to the Web server in a way that is totally transparent to the client browser.
Answer:
You can stop, pause, start, delay start, or resume each service as appropriate. You can also modify the start mechanism (Manual or Automatic) or specify an account. Windows Services broadly fall into three categories depending on the actions and applications they control: Local Services, Network Services and System.