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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Aug 17, 2020 Last Updated: Aug 17, 2020
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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