Computer virtualization is the process of running two or mode logical computer system on one set of physical hardware with virtualization a system administrator would combine several physical system into virtual machines on one single, powerful system , thereby unplugging the original hardware and reducing power and cooling consumption
2. Power management
Power management for computer systems are desired for many reasons particularly:
· Prolong battery life for portable and embedded systems.
· Reduce noise
· Reduce operating costs for energy and cooling
· Lower power consumption also means lower heat dissipation,which increases system stability and less energy use,which saves money and reduces the impact on the environment.
3. Displays
LCD monitors typically use a cold cathode fluorescent bulb to provide light for the displays use an array of light-emitting diodes (LED) in place of the fluorescent bulb,which reduces the amount of electricity used by the display.
4. Material Recycling
Computer recycling refers to recycling or reuse of a computer or electronic waste.This can include finding another use for the system (i.e donated to charity ) or having the system dismantled in a manner that allows for the constituent materials for reuse in other products.
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