Computing Essentials 2013 Complete Edition - Brossura

O'Leary, Timothy; O'Leary, Linda

Brossura

ISBN 10: 0073516821 ISBN 13: 9780073516820

Casa editrice: McGraw-Hill Education, 2012

Riassunto

Computing Essentials 2013...Making IT Work for You!How are you learning about the most important, essential, and current concepts of information technology? Computing Essentials 2013 allows you to Make IT Work for You through relevant Explorations, Ethics and Environment themes throughout each chapter. Make IT Work for You!

Su questo libro

L'autore:

Tim O'Leary has taught courses at Stark Technical College in Canton, Ohio, and at Rochester Institute of Technology in upstate New York. He currently is a professor emeritus at Arizona State University.

Contenuti:

CHAPTER 1: INFORMATION TECHNOLOGY, THEINTERNET, AND YOU 2
Introduction 4
Information Systems 5
People 6
Software 9
System Software 9
Application Software 9
Hardware 10
Types of Computers 11
Microcomputer Hardware 12
Data 15
Connectivity, the Wireless Revolution, theInternet, and Cloud Computing 16
Careers in IT 17
A Look to the Future: Using and UnderstandingInformation Technology Means Being ComputerCompetent 18
Visual Summary 19
Key Terms 22
Making IT Work for You 25
Explorations 26
Ethics 27
Environment 28
CHAPTER 2: THE INTERNET, THE WEB, ANDELECTRONIC COMMERCE 30
Introduction
The Internet and the Web 32
Making IT work for you:iPods and Video from the Internet 34
Access 35
Providers 35
Browsers 35
Communication 38
E-Mail 38
Instant Messaging 39
Social Networking 40
>Blogs, Microblogs, and Webcasts,Podcasts, Wikis 41
Making IT work for you: Twitter 44
Search Tools 46
Search Engines 46
Web Directories 46
Metasearch Engines 47
Specialised Search Engines 47
Content Evaluation 48
Electronic Commerce 49
Business-to-Consumer E-Commerce 50
Consumer-to-Consumer E-Commerce 50
Security 51
Cloud Computing 52
Web Utilities 54
Plug-ins 54
Filters 54
File Transfer Utilities 55
Internet Security Suites 56
Careers in IT: Webmaster 57
A Look to the Future: Web-Accessible RefrigeratorsWill Automatically Restock Themselves 58
Visual Summary 59
Key Terms 63
Making IT Work for You 66
Explorations 67
Ethics 68
Environment 69
CHAPTER 3: BASIC APPLICATION SOFTWARE 70
Introduction 72
Application Software 72
Common Features 72
Making IT work for you:Speech Recognition 74
Word Processors 76
Features 76
Case 76
Spreadsheets 79
Features 79
Case 80
Database Management Systems 84
Features 84
Case 84
Presentation Graphics 87
Features 87
Case 87
Integrated Packages 89
Case 89
Software Suites 90
Productivity Suite 90
Cloud Computing 91
Sharing between Programs 91
Specialised and Utility Suites 91
Making IT work for you:Google Docs 92
Careers in IT: Computer Trainer 94
A Look to the Future: Agents Will Help Write Papers,Pay Bills, and Shop on the Internet 95
Visual Summary 96
Key Terms 99
Making IT Work for You 102
Explorations 103
Ethics 104
Environment 105
CHAPTER 4: SPECIALISED APPLICATIONSOFTWARE 106
Introduction 108
Specialised Applications 108
Graphics 109
Desktop Publishing 109
Image Editors 109
Illustration Programs 109
Image Galleries 109
Graphics Suites 111
Audio and Video 111
Making IT work for you:Digital Video Editing 112
Multimedia 114
Links and Buttons 114
Multimedia Authoring Programs 114
Web Authoring 115
Web Site Design 115
Web Authoring Programs 116
Artificial Intelligence 116
Virtual Reality 118
Knowledge-Based (Expert) Systems 118
Robotics 119
Mobile Apps 120
Apps 120
App Stores 121
Careers in IT: Desktop Publisher 122
A Look to the Future: Robots Can Look, Act, andThink Like Us 123
Visual Summary 124
Key Terms 127
Making IT Work for You 130
Explorations 131
Ethics 132
Environment 133
CHAPTER 5: SYSTEM SOFTWARE 134
Introduction 136
System Software 136
Operating Systems 137
Functions 137
Features 138
Categories 139
Desktop Operating Systems 140
Windows 140
Mac OS 140
UNIX and Linux 142
Virtualisation 142
Mobile Operating Systems 143
Utilities 144
Windows Utilities 144
Utility Suites 148
Device Drivers 148
Making IT work for you:Virus Protection 150
Careers in IT: Computer SupportSpecialist 152
A Look to the Future: Self-Healing Computers CouldMean an End to Computer Crashes and PerformanceProblems 153
Visual Summary 154
Key Terms 157
Making IT Work for You 160
Explorations 161
Ethics 162
Environment 163
CHAPTER 6: THE SYSTEM UNIT 164
Introduction 166
System Unit 166
Categories 166
Components 169
Electronic Data and Instructions 169
Numeric Representation 170
Character Encoding 170
System Board 171
Microprocessor 172
Microprocessor Chips 173
Specialty Processors 174
Memory 174
RAM 174
ROM 175
Flash Memory 175
Expansion Slots and Cards 176
Bus Lines 177
Making IT work for you: TV Tuner Cardsand Video Clips 178
Expansion Buses 180
Ports 180
Standard Ports 181
Specialised Ports 181
Legacy Ports 182
Cables 182
Power Supply 183
Careers in IT: Computer Technician 183
A Look to the Future: As You Walk out the Door, Don’tForget Your Computer 185
Visual Summary 186
Key Terms 189
Making IT Work for You 192
Explorations 193
Ethics 194
Environment 195
CHAPTER 7: INPUT AND OUTPUT 196
Introduction 198
What Is Input? 198
Keyboard Entry 198
Keyboards 199
Features 199
Pointing Devices 200
Mice 200
Touch Screens 202
Joysticks 202
Stylus 202
Scanning Devices 203
Optical Scanners 203
Card Readers 204
Bar Code Readers 205
Character and Mark RecognitionDevices 205
Image Capturing Devices 206
Digital Cameras 206
Digital Video Cameras 206
Audio-Input Devices 207
Voice Recognition Systems 207
Making IT work for you: WebCams andInstant Messaging 208
What Is Output? 210
Monitors 210
Features 210
Flat-Panel Monitors 211
Cathode-Ray Tubes 211
Other Monitors 211
Making IT work for you:using E-Books 213
Printers 214
Features 214
Ink-Jet Printers 215
Laser Printers 215
Other Printers 216
Audio and Video Devices 217
Portable Media Players 217
Combination Input and Output Devices 217
Fax Machines 217
Multifunctional Devices 217
Internet Telephones 218
Careers in IT: Technical Writers 219
A Look to the Future: Crashing through the ForeignLanguage Barrier 220
Visual Summary 221
Key Terms 224
Making IT Work for You 227
Explorations 229
Ethics 230
Environment 231
CHAPTER 8: SECONDARY STORAGE 232
Introduction 234
Storage 234
Hard Disks 235
Internal Hard Disk 236
External Hard Drives 236
Performance Enhancements 237
Optical Discs 238
Compact Disc 238
Digital Versatile Disc 239
Blu-ray Disc 239
Solid-State Storage 240
Solid-State Drives 240
Flash Memory 240
USB Drives 241
Cloud Storage 241
Making IT work for you:Cloud Storage 242
Mass Storage Devices 245
Enterprise Storage System 245
Storage Area Network 246
Careers in IT: Software Engineer 246
A Look to the Future: Your Entire Life Recorded ona Single Disk 247
Visual Summary 248
Key Terms 251
Making IT Work for You 254
Explorations 255
Ethics 256
Environment 257
CHAPTER 9: COMMUNICATIONSAND NETWORKS 258
Introduction 260
Communications 260
Connectivity 260
The Wireless Revolution 261
Communication Systems 261
Communication Channels 262
Physical Connections 262
Wireless Connections 263
Connection Devices 265
Modems 265
Connection Service 266
Data Transmission 267
Bandwidth 267
Protocols 267
Networks 268
Terms 268
Network Types 270
Local Area Networks 270
Home Networks 270
Wireless LAN 271
Personal Area Network 272
Metropolitan Area Networks 272
Wide Area Networks 272
Network Architecture 273
Topologies 273
Making IT work for you: HomeNetworking 274
Strategies 276
Organisational Networks 277
Internet Technologies 277
Network Security 277
Careers in IT: Network Administrator 279
A Look to the Future: Telepresence Lets You Be Therewithout Actually Being There 280
Visual Summary 281
Key Terms 284
Making IT Work for You 287
Explorations 288
Ethics 289
Environment 290
CHAPTER 10:PRIVACY, SECURITY, AND ETHICS 292
Introduction 294
People 294
Privacy 295
Large Databases 295
Private Networks 298
The Internet and the Web 299
Online Identity 303
Major Laws on Privacy 303
Making IT work for you: SpywareRemoval 304
Security 306
Computer Criminals 306
Computer Crime 307
Other Hazards 310
Measures to Protect ComputerSecurity 312
Ethics 315
Copyright and Digital RightsManagement 315
Plagiarism 316
Careers in IT: Cryptographer 317
A Look to the Future: A Webcam on EveryCorner 318
Visual Summary 319
Key Terms 322
Making IT Work for You 325
Explorations 326
Ethics 327
Environment 327
CHAPTER 11:INFORMATION SYSTEMS 328
Introduction 330
Organisational Information Flow 330
Functions 330
Management Levels 331
Information Flow 333
Computer-Based Information Systems 334
Transaction Processing Systems 335
Management Information Systems 337
Decision Support Systems 338
Executive Support Systems 339
Other Information Systems 341
Careers in IT: Information SystemsManager 343
A Look to the Future: Oftentimes, More InformationIs Too Much Information 344
Using IT at DVD Direct—a case study:Information Systems at DVD Direct 345
Visual Summary 346
Key Terms 348
Making IT Work for You 351
Explorations 352
Ethics 353
CHAPTER 12: DATABASES 354
Introduction 356
Data 356
Data Organisation 357
Key Field 358
Batch versus Real-Time Processing 358
Databases 360
Need for Databases 360
Database Management 361
DBMS Structure 363
Hierarchical Database 363
Network Database 363
Relational Database 364
Multidimensional Database 365
Object-Oriented Database 366
Types of Databases 367
Individual 367
Company 367
Distributed 367
Commercial 367
Database Uses and Issues 369
Strategic Uses 369
Security 369
Careers in IT: Database Administrator 370
A Look to the Future: Every Book Ever Written . . . atYour Fingertips 371
Using IT at DVD Direct—a case study:Databases at DVD Direct 372
Visual Summary 373
Key Terms 377
Making IT Work for You 380
Explorations 381
Ethics 382
CHAPTER 13:SYSTEMS ANALYSIS AND DESIGN 384...

Su questa edizione

• Editore: McGraw-Hill Education
• Data di pubblicazione: 2012
• ISBN 10: 0073516821
• ISBN 13: 9780073516820
• Rilegatura: Copertina flessibile
• Numero di pagine: 533