4. What does hibernate mode do?
Lesson Summary
■ A power scheme is a collection of energy-saving power options. You can configure
a power scheme to turn off your monitor or hard disk, or even send the computer
to standby after a certain amount of idle time.
■ The advanced power management options allow you to add an icon for quick
access to Power Management to the taskbar and choose to be prompted for your
Windows password when your computer comes out of standby mode.
■ When your computer hibernates, it saves the current system state to your hard
disk, and then your computer shuts down. When you start the computer after it
has been hibernating, it returns to its previous state.
■ APM is a power standard that helps reduce the power consumption of your com-
puter. To support APM, you must have an APM-compatible BIOS in your com-
puter. A newer standard, ACPI, automatically enables APM support.
■ A UPS is a device that ensures that the electrical flow to a computer is not inter-
rupted because of power loss.
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