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You're reading from  Modern Computer Architecture and Organization – Second Edition - Second Edition

Product typeBook
Published inMay 2022
PublisherPackt
ISBN-139781803234519
Edition2nd Edition
Concepts
Computer Architecture
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Author (1)
Jim Ledin
Jim Ledin
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Jim Ledin

Jim Ledin is the CEO of Ledin Engineering, Inc. Jim is an expert in embedded software and hardware design and testing. He is also an expert in system cybersecurity assessment and penetration testing. He has a B.S. degree in aerospace engineering from Iowa State University and an M.S. degree in electrical and computer engineering from the Georgia Institute of Technology. Jim is a registered professional electrical engineer in California, a Certified Information System Security Professional (CISSP), a Certified Ethical Hacker (CEH), and a Certified Penetration Tester (CPT).
Read more about Jim Ledin

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Power management

For users of portable battery-powered devices such as smartphones, tablets, and laptop computers, the ability to operate for long time periods without recharging is an important feature. Designers of portable systems place great emphasis on ensuring battery power consumption is minimized under all operating conditions.

Some techniques designers use to reduce power consumption are:

  • Placing idle subsystems in a low-power state or turning them off completely when they are not needed. This technique may not be possible for peripherals that must be available to respond to incoming requests, such as network interfaces.
  • Reducing integrated circuit supply voltages and clock speeds during periods when execution speed is not critical.
  • When possible, saving system state information and turning the processor power off. Users of laptop computers are familiar with the two options for reducing power consumption when the system is not in use: standby and...
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Modern Computer Architecture and Organization – Second Edition - Second Edition
Published in: May 2022Publisher: PacktISBN-13: 9781803234519
© 2022 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Jim Ledin

Jim Ledin is the CEO of Ledin Engineering, Inc. Jim is an expert in embedded software and hardware design and testing. He is also an expert in system cybersecurity assessment and penetration testing. He has a B.S. degree in aerospace engineering from Iowa State University and an M.S. degree in electrical and computer engineering from the Georgia Institute of Technology. Jim is a registered professional electrical engineer in California, a Certified Information System Security Professional (CISSP), a Certified Ethical Hacker (CEH), and a Certified Penetration Tester (CPT).
Read more about Jim Ledin

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