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Modern Computer Architecture and Organization

You're reading from Modern Computer Architecture and Organization

Product type Book

Published in Apr 2020

Publisher Packt

ISBN-13 9781838984397

Pages 560 pages

Edition 1st Edition

Languages

Concepts

Computer Architecture

Author (1):

Jim Ledin

Table of Contents (20) Chapters

Preface

1. Section 1: Fundamentals of Computer Architecture

2. Chapter 1: Introducing Computer Architecture

3. Chapter 2: Digital Logic

4. Chapter 3: Processor Elements

5. Chapter 4: Computer System Components

6. Chapter 5: Hardware-Software Interface

7. Chapter 6: Specialized Computing Domains

8. Section 2: Processor Architectures and Instruction Sets

9. Chapter 7: Processor and Memory Architectures

10. Chapter 8: Performance-Enhancing Techniques

11. Chapter 9: Specialized Processor Extensions

12. Chapter 10: Modern Processor Architectures and Instruction Sets

13. Chapter 11: The RISC-V Architecture and Instruction Set

14. Section 3: Applications of Computer Architecture

15. Chapter 12: Processor Virtualization

16. Chapter 13: Domain-Specific Computer Architectures

17. Chapter 14: Future Directions in Computer Architectures

18. Answers to Exercises

19. Other Books You May Enjoy

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Exercises

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.
If the answer to Exercise 1 is "no," this implies the only way to create a signed overflow is to add two numbers of the same sign. If an overflow occurs, what can you say about the result of performing XOR between the most significant bit of each operand with the most significant bit of the result? In other words, what will be the result of the expressions, left(7) XOR result(7) and right(7) XOR result(7)? In these expressions, (7) indicates bit 7, the most significant bit...

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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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