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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
Author (1):
Jim Ledin Jim Ledin
Profile icon Jim Ledin
Toc

Table of Contents (20) Chapters close

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

Keyboard and mouse

Compared to the high-speed device interfaces discussed earlier in this chapter, the bandwidth requirements for a keyboard and mouse are quite modest. These devices are the sole input methods used by the human operator in most computer configurations, and thus are only required to operate at the speed of human actions. Even the fastest typist can only press one or two dozen keys per second.

Keyboard

A mechanical computer keyboard consists of a collection of keys, each of which operates an electrical momentary switch. A standard full-size keyboard contains 104 keys, including the arrow keys, control keys (Home, Scroll Lock, and so on), and the numeric keypad. Modern keyboards commonly provide a USB cable for connection to the computer system via cable or wirelessly. Because the bandwidth requirements for human interaction are so low, some computer motherboards provide a slower USB 2.0 port for keyboard connection while offering higher-performance USB 3.0 or...

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