Final answer:
Windows 7/Vista has two power-saving states: Sleep, a low-power mode with a quick resume, and Hibernate, which saves the session to disk for extended periods of low power use.
Step-by-step explanation:
Power-Saving States in Windows 7/Vista
Windows 7 and Vista include two main power-saving states designed to conserve energy when a computer is not in active use. The first state is Sleep, which is a low-power state where the computer's session is kept in memory but most of the hardware is turned off. This allows for a quick resume when the user returns. The second state is Hibernate, which saves the computer's current state to the hard disk before shutting down completely. This state uses even less power than Sleep and is ideal for when the computer will not be used for an extended period. Both states help to extend the life of the hardware and reduce energy consumption.
The two power-saving states in Windows 7/Vista are Sleep and Hibernate.
Sleep mode is a power-saving state that allows your computer to quickly resume full power when you want to start working again. In Sleep mode, your computer uses a small amount of power to keep the system memory content loaded and maintains a low-power state for other hardware components.
Hibernate mode is a power-saving state that saves any open documents and running applications to your hard disk and shuts down your computer. When you turn on the computer again, it restores your previous session, including open documents and applications.