 Название: Information Technology: An Introduction for Today's Digital World, 3rd Edition
Автор: Richard Fox
Издательство: CRC Press
Год: 2025
Страниц: 684
Язык: английский
Формат: epub (true)
Размер: 17.4 MB
This book presents an introduction to the field of information technology (IT) suitable for any student of an IT-related field or IT professional. Coverage includes such IT topics as IT careers, computer hardware (central processing unit [CPU], memory, input/output [I/O], storage, computer network devices), software (operating systems, applications software, programming), network protocols, binary numbers and Boolean logic, information security and a look at both Windows and Linux. Many of these topics are covered in depth with numerous examples presented throughout the text.
New to this edition are chapters on new trends in technology, including block chain, quantum computing and artificial intelligence, and the negative impact of computer usage, including how computer usage impacts our health, e-waste and concerns over Internet usage. The material on Windows and Linux has been updated and refined. Some content has been removed from the book to be made available as online supplemental readings.
Ancillary content for students and readers of the book is available from the textbook’s companion website, including a lab manual, lecture notes, supplemental readings and chapter reviews. For instructors, there is an instructor’s manual including answers to the chapter review questions and a testbank.
The operating system (OS) is a collection of software that maintains the computer's resources. The user initiates commands and the OS carries them out, alerting the user when it cannot perform the command for some reason (such as the user does not have permission to attempt the operation requested). Users need to know how to interact with the OS, whereas information technology (IT) specialists must understand how to manage the computer through the OS. This chapter first provides a broad overview of what an OS is and then concentrates on details of the OS kernel. The kernel handles such operations as process management, resource management and memory management; the focus is primarily on process management. The chapter also examines other types of software that, aside from the kernel, make up the OS.
Contents:
Preface
How to Use This Book
1. Information Technology
2. The CPU and Memory
3. Storage and I/O
4. All About Binary Numbers
5. Computer Networks
6. The Operating System
7. Software
8. Programming and Programming Languages
9. Information Security
10. Trends in Technology
11. The Computer’s Negative Impacts on Society
12. The Windows Operating System
13. Linux
Index
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Information Technology: An Introduction for Today's Digital World, 3rd Edition 
