Explain dynamic power management by the operating system How

Explain dynamic power management by the operating system. How do various CPU sleep modes such as such as DOZE, NAP and SLEEP help in managing power dissipation?

Solution

https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://en.m.wikipedia.org/wiki/Power_management&ved=0ahUKEwi_4OrFiOLMAhVG26YKHRJiDqEQFggaMAA&usg=AFQjCNH0yQN6OHTxZTwmWjNOJyr5pVtshw
https://www.google.co.in/url?sa=t&source=web&rct=j&url=http://dynamicpower.sourceforge.net/&ved=0ahUKEwi_4OrFiOLMAhVG26YKHRJiDqEQFggdMAE&usg=AFQjCNELQal5q828FN_drgjFu8ZGkJluag