What is the difference between computer dormancy and sleep, Win7 knowledge inventory

What is the difference between Win7 system computer hibernation and sleep?

We all know that the computer system in order to save energy settings have sleep and hibernate function, use is used, then these two functions in the end what is the difference? which is more suitable for their own computer how to set the best?

Win7 Sleep function:

Refers to in this state in addition to the memory to maintain power, such as CPU, hard disk This hardware no longer power, wake up from the memory

Read the data back to the working state before sleep. This eliminates the detection of hardware, read data from the hard disk, and so on, so restore the working state

The time spent is the shortest. The disadvantage is that once the power is lost in sleep, the memory of all the data loss, other hardware and no power, and then boot the

The equivalent of cold start

Win7 Hibernate function:

is to put the application environment on the hard disk, to put it bluntly, basically is the memory and other state (register, etc. hardware state) on the hard drive. When the computer is rebooted, the machine reads the application environment state from the hard disk and initializes it so that it can go to the working state before sleep.

Through the above two kinds of explanations, we can know that, in the popular sense of hibernation and sleep is the state of the maintenance of the media is different, one is the hard disk, one is memory, of course, memory speed, so sleep faster, but not power. Now, my friends, let's see.