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Modern Computer Architecture and Organization – Second Edition - Second Edition

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

Product type Book

Published in May 2022

Publisher Packt

ISBN-13 9781803234519

Pages 666 pages

Edition 2nd Edition

Languages

Concepts

Computer Architecture

Author (1):

Jim Ledin

Table of Contents (21) Chapters

Preface

1. Introducing Computer Architecture

2. Digital Logic

3. Processor Elements

4. Computer System Components

5. Hardware-Software Interface

6. Specialized Computing Domains

7. Processor and Memory Architectures

8. Performance-Enhancing Techniques

9. Specialized Processor Extensions

10. Modern Processor Architectures and Instruction Sets

11. The RISC-V Architecture and Instruction Set

12. Processor Virtualization

13. Domain-Specific Computer Architectures

14. Cybersecurity and Confidential Computing Architectures

15. Blockchain and Bitcoin Mining Architectures

16. Self-Driving Vehicle Architectures

17. Quantum Computing and Other Future Directions in Computer Architectures

18. Other Books You May Enjoy

19. Index

Appendix

Chapter 3: Processor Elements

Exercise 1

Consider the addition of two signed 8-bit numbers (that is, numbers in the range -128 to +127) where one operand is positive and the other is negative. Is there any pair of 8-bit numbers of different signs that, when added together, will exceed the range -128 to +127? This would constitute a signed overflow. Note: we’re only looking at addition here because, as we’ve seen, subtraction in the 6502 architecture is the same as addition with the right operand’s bits inverted.

Answer

The range of the positive (or non-negative) numbers is 0 to 127. The range of negative numbers is -128 to -1. It is only necessary to consider the extremes of each of these ranges to cover all possibilities:

Sum	Result
0 + -128	-128
...

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Authors (1)

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).

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