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Power Management in Mobile Devices
book

Power Management in Mobile Devices

by Findlay Shearer
April 2011
Intermediate to advanced content levelIntermediate to advanced
336 pages
13h 59m
English
Newnes
Content preview from Power Management in Mobile Devices
141
www.newnespress.com
Energy Optimized Software
ACPI moves power management decisions out of the BIOS and into the OS, allowing a
system to support po
wer management policies that are both more sophisticated and more
effective. Giving this responsibility to the OS is an approach designed for systems that
are typically “ on. ” It does not apply to something like a portable device, which requires
intelligent power conservation when the power switch is “ off. ” As discussed, such a
system requires a power policy that can respond to battery level, passage of time, and
other application-specifi c scenarios. An OS, by nature, has far too little ...
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Publisher Resources

ISBN: 9780750679589