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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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Chapter 13: Domain-Specific Computer Architectures

Exercise 1

Draw a block diagram of the computing architecture for a system to measure and report weather data 24 hours a day at 5-minute intervals using SMS text messages. The system is battery-powered and relies on solar cells to recharge the battery during daylight hours. Assume the weather instrumentation consumes minimal average power, only requiring full power momentarily during each measurement cycle.

Answer

Based on the performance requirements, a processor capable of entering a very low power state for minutes at a time should be able to operate from a moderately sized battery for days at a time. By only powering weather sensors when necessary to take a measurement, and only powering the cellular transceiver when it is time to transmit data, power usage is minimized.

The following diagram represents one possible configuration for this system:

Figure 5: Initial weather data collection system diagram...

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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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