Computer Structure and Logic

Computer Structure and Logic

Computer Structure and Logic, Second Edition gives you a complete overview of modern computer technology, from desktop and laptop PCs to mobile devices, hardware to operating systems, basic security to networking. Requiring no previous knowledge of computers, this textbook helps you build your knowledge and hands-on skills one easy step at a time.

The book starts by reviewing the history of computing and explaining what nearly all modern computers have in common, whether they are immensely powerful supercomputers, personal computers, or even smartphones. Next, it explains how computers process information, how hardware components are brought together in a working computer, and what happens "behind the scenes" when you turn on a computer.

Building on this essential hardware knowledge, the book then turns to software. You learn how modern operating systems, such as Windows, Linux, and Android, work and how operating systems are organized, configured, and managed. You then learn how computers can be connected into networks such as the Internet, and how networked computers communicate using shared protocols such as TCP/IP.

Computer Structure and Logic introduces modern innovations that are reshaping computing for both businesses and individuals, including virtual and cloud computing. Next, it introduces the basics of computer and network security, showing how to protect computers, information, and services from unwanted intrusion, unauthorized access, and/or the modification or destruction of data. The text concludes with a full chapter on troubleshooting, including a complete six-step process for identifying and solving computer problems of all kinds.

Full of real-world practical examples, Computer Structure and Logic, Second Edition gives you foundational knowledge and skills for starting your career in information technology, and for taking your first steps toward official certification from leading organizations such as CompTIA, Microsoft, and Cisco.

Powerful features make learning about computers easier!

--Clear introductions describe the big ideas and show how they fit with what you've already learned

--Specific chapter objectives tell you exactly what you need to learn

--Key terms lists help you identify important terms, and a complete glossary helps you understand them

--Glossary defines more than 250 essential computing terms

--Notes point out important transitions, key connections to other topics, items that might otherwise be lost in the detail, and real-world application of the topic at hand

--Chapter Review Activities call on you to define key terms, answer review questions, and work through case studies to help you make sure you've learned the material

Coverage includes

--Basic computer concepts

--Computer math, measurement, and processing

--Motherboards and buses

--CPUs

--Memory and storage

--I/O devices and ports

--Operating a computer

--Operating systems: characteristics and interfaces

--Operating systems: architecture, configuration, and management

--Networks

--Virtualization and cloud computing

--Basic security

--Computer troubleshooting

Inhalt

Introduction

Chapter 1 Introduction to Computers

Chapter Outline

Objectives

History of Computers

The von Neumann Computer Model

Modern Computers

From Tubes to Transistors

Integrated Circuits

History of the PC

Birth of the Personal Computer

The IBM Personal Computer

The PC Industry Today

What Is a PC?

Who Controls PC Software?

Who Controls PC Hardware?

White-Box Systems

PC Design Guides

System Components

What Is a Mobile Computer?

Mobile Computer Hardware

Differences and Similarities Between Tablets and Laptops

Mobile Computer Software

Chapter Summary

Chapter Review Activities

Define the Key Terms for Chapter 1

Answer These Questions and Case Studies

Answers, Explanations, and Solutions

Chapter 2 Understanding Computer Math, Measurement, and Processing

Chapter Outline

Objectives

CompTIA A+ Objectives Covered

Numbering Systems Used in Computers

Decimal Numbering System

Binary Numbering System

Converting Decimal Numbers to Binary

Hexadecimal Numbering System

Basic Boolean Operations

AND

OR

NOT

Mixed Boolean Operations

Measuring Data Transfer and Frequency

Bandwidth

Hertz (Hz)

How Computers Process Information

CPU

Working Storage

Permanent Storage

Input Devices

Output Devices

A Basic Example of Data Transfer Through the Computer

Chapter Summary

Chapter Review Activities

Define the Key Terms for Chapter 2

Answer These Questions and Case Studies

Answers, Explanations, and Solutions

Chapter 3 Motherboards and Buses

Chapter Outline

Objectives

CompTIA A+ Objectives Covered

The Evolution of Motherboards

The 286 PC-Last of the 16-Bit Computers

The 386 PC-and the 32-Bit Age

Today's 64-Bit Computing

Other Examples of Modern Motherboards

Motherboard Components

The Core Components

The Chipset and Connecting Buses

Form Factors

I/O Ports and Front Panel Connectors

Expansion Buses

Drive Technologies

Installing Motherboards

Step-by-Step Motherboard Removal

Preparing the Motherboard for Installation (ATX)

Step-by-Step Motherboard Installation

Installing Adapter Cards

General Installation

Display Adapters

Video Capture Cards and TV Tuners

Sound Cards

Chapter Summary

Chapter Review Activities

Define the Key Terms for Chapter 3

Answer These Questions and Case Studies

Answers, Explanations, and Solutions

Chapter 4 The CPU

Chapter Outline

Objectives

CompTIA A+ Objectives Covered

The Evolution of the CPU

How the CPU Operates

Cache Memory

Registers

Storing Data to RAM and the Hard Drive

The Four Steps of Processing

How the CPU Operates-Summary

CPU Technology

Clock Rate

Hyper-Threading

Multicore Technologies

Processor Throttling

MMX and SSE

VRM

32-Bit Versus 64-Bit Revisited

Sockets

Power Consumption

Cooling

Intel and AMD Processors

Intel Processors

AMD Processors

Overview of Processor Differences

Mobile Processors

Mobile CPUs and Manufacturers

ARM CPU Processing

Choosing the Best Processor for the Job

Custom PC Configurations

Other Important CPU Considerations

Installing and Upgrading Processors

Installing a CPU

Removing Older Heat Sinks

Chapter Summary

Chapter Review Activities

Define the Key Terms for Chapter 4

Answer These Questions and Case Studies

Answers, Explanations, and Solutions

Chapter 5 Memory and Storage

Chapter Outline

Objectives

CompTIA A+ Objectives Covered

RAM Basics

RAM Types

SRAM Versus DRAM

SDRAM

DDR

DDR2

DDR3

DDR4

Laptop Memory

RDRAM (Rambus)

RAM Technologies

Single-Channel Versus Dual-Channel Versus Triple-Channel

Memory Latency

Single-Sided Versus Double-Sided

Parity Versus Nonparity

ECC Versus Non-ECC

Registered and Fully Buffered

One Final Note: Make Sure Your RAM Is Compatible!

The Synergy Between Memory and Programs

Installing DIMMs

Installing RAM to a PC

Installing RAM to a Laptop

Testing RAM Installations

Hard Drives

Hard Disk Drive Basics

SATA

PATA

Solid-State Drives

SCSI

RAID

Optical Drives

Compact Disc (CD)

Digital Versatile Disc (DVD)

Blu-ray

Solid-State Storage Media

Solid-State Drives

USB Flash Drives

Secure Digital Cards

CompactFlash Cards

Chapter Summary

Chapter Review Activities

Define the Key Terms for Chapter 5

Answer These Questions and Case Studies

Answers, Explanations, and Solutions

Chapter 6 I/O Devices and Por…