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What is the difference between shutting down your computer and putting it into sleep mode?

Generally speaking, yes, it is better to put the computer to sleep than it is to shut it down, for two reasons: 1. It's better for you - resuming from sleep mode is a lot faster than going through the entire boot up process. 2. It's better for the computer - resuming operation from a low-powered state is less harsh on you computer components than when you jolt it alive by turning the power on from a shut down state.


Does the OS remain in RAM even if the computer is turn off?

no, nothing remains in ram after your computer is turned off (unless it's static ram but hardly anyone has that anymore) in sleep mode your OS does remain in ram but your computer isn't off in hibernate mode, your computer is off and your OS state is written to the hard drive, so that it can be loaded back into RAM more quickly


How does the computer keeps track of time even after it is turned off?

memory is not accessed when the computer is turned off. If the computer is in sleep mode, it retains power until resumed. If computer is in hibernate mode, contents of memory are written to disk first before power off, and reloaded on power on.


What command saves your work turns off the computer fans and hard disk and then places the computer in a lower-power state?

SLEEP


Do you have to turn off your computer?

It depends how long you are planning on leaving it for. If it is for overnight or longer then, yes, turn it off. If you are leaving it for less then an hour then you don't need to turn it off. If you need to leave it but are planning on going back on then there should be a hibernate or sleep option to use on your computer. Hope this helps!If you are not planning to use the computer for a long period of time, Turn it of.f it may be idle for an hour or less, use the hibernate setting,