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A power-off mode that preserves the last state of the computer. Turning the computer on after hibernating eliminates booting the operating system and reloading all the applications and data.

When hibernate is activated, the contents of memory (RAM) are written to storage (hard disk, SSD) and the computer is turned off. When turned back on again, the previous memory state is read from storage, and all applications appear exactly as they did the moment hibernate was triggered.

Hibernate vs. Sleep Mode
Hibernate is power off, whereas sleep mode is power on with the screen and hard disks turned off. In sleep mode, the RAM chips are constantly refreshed in order to retain their content, and the CPU is placed into a low-power state. Although restoring from hibernate is faster than a cold start, coming out of sleep is immediate. Turning the computer back on from either mode eliminates having to reload all applications and data.

Hybrid Modes
Some laptop computers invoke both modes automatically. When put into sleep mode by the user, the computer may automatically go into hibernate mode when the battery reaches a low level. An alternative hybrid mode activates hibernate when the computer enters sleep mode, but the computer is not turned off. If the battery runs out while in sleep mode, the contents of memory have already been saved. See memory.
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References in periodicals archive ?
WATER-BASED HIBERNATORS OTHER helpful hibernators include amphibians like newts, frogs and toads, which also eat buckets of crop-munching insects.
Previous work has shown that abnormalities at the enamel-dentin junction and in dentin morphology form during hibernation (a "hibernation mark") on lower incisors of obligate hibernators within the ground squirrel genera Urocitellus, Ictidomys, and Cynomys, as well as in one facultative hibernator, Cynomys ludovicanus.
Therefore, the adipose organ comprises white adipose tissue (WAT), the main energy storage allowing animals to survive for longer periods without meals, and brown adipose tissue (BAT), a key site of heat production (thermogenesis) in mammals, essential for the survival in cold environments and in hibernators, defending core body temperature.
It is unfortunate that the low number of captures during our study prevented a comparison in the area with true hibernators such as horseshoe bats or Saharan species such as the lesser rat-tailed bat, Rhinopoma cystops, or the Hemprich's desert bat, Otonycteris hemprichii.
I tend to leave hollow stemmed herbaceous growth for insects and layers of leaves at the backs of beds for other hibernators.
This is different from other mammals such as cat, dog, rabbit and rat were they are numerous (Lupulescu & Petrovici, 1968) and in deer thyroid (Pantic, 1967) and many mammalian hibernators, but they are very rare in many primates including human thyroids (Nunez & Gershon, 1978).
Pohamba also promoted people regarded as "hibernators" in SWAPO, advanced the government's 50-50 gender balance campaign, which has put more women in parliament and in government, and virtually ensured that the country got its first non-Oshiwambo-speaking president in Hage Geingob.
In captivity, marmotine and other mammalian hibernators studied at controlled ambient temperatures in cold chambers universally display a characteristic body-temperature profile during hibernation: multiple, prolonged bouts of torpor punctuated by much shorter bouts of arousal when the animal returns to euthermy.
When traffic fines go up by 1000% they say "yes, yes!"; when they are charged with fines ranging from N$1000 to N$4000, they blame the possible "hibernators" who try to make them hate their lovely government.