Which ACPI state turns the CPU and RAM off and copies the contents of RAM to a temporary file on the hard disk S4 S3 S1 S2 S0 navigation bar?

Enter the appropriate ACPI standard (S0, S1, S2, S3, S4, S5) next to the correct power management state description:

ACPI Standard

Power Management States

S2

The CPU is off, but the RAM is refreshed to maintain the contents.

S4

The CPU and RAM are off. The contents of RAM have been saved to a

temporary file on the hard disk. This state is also called Suspend to Disk. In

Windows XP, this state is known as Hibernate.

S1

The CPU is not executing instructions; however, the CPU and RAM are still

receiving power.

S3

The CPU is off, and the RAM is set to a slow refresh rate. This state is called

Suspend to RAM. In Windows XP, this state is known as Standby.

S5

The computer is off and any content that has not been saved will be lost.

S0

The computer is on and all devices are operating at full power.

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Question:
Which ACPI state turns the CPU and RAM off and copies the contents of RAM to a temporary file on the hard disk?

Explanation: The Advanced Configuration and Power Interface (ACPI) standard provides support for power states that are very important to mobile devices such as laptops.

S0 – The computer is on and CPU running.

S1 – CPU and RAM have power, but unused devices are powered down.

S2 – CPU is off; RAM is refreshed.

S3 – CPU is off; RAM is set to a slow refresh rate.

S4 – CPU and RAM are off (and RAM contents saved to a temp file).

S5 – The computer is off.

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