Our Digital World: Introduction to Computing

Description

Our Digital World: Introduction to Computing, 5th Edition......Page 1 Copyright page......Page 2 Brief Contents......Page 3 Contents......Page 5 Who Are You?......Page 9 Taking a Chapter Tour......Page 10 Dynamic Training......Page 13 Chapter Review and Assessment......Page 14 Karen Lankisch......Page 15 Denise Seguin......Page 16 Acknowledgments......Page 17 Why Does It Matter?......Page 21 1.1 Just What Is a Computer?......Page 22 Supercomputer......Page 23 Laptop......Page 24 The Convergence of Computing Devices......Page 25 Computers Are Everywhere......Page 27 Finding a Career in Computing......Page 28 1.4 What Is Information Technology?......Page 29 The Information Processing Cycle......Page 30 Summing Up......Page 36 Terms to Know......Page 38 Projects......Page 39 Class Conversations......Page 42 Why Does It Matter?......Page 45 Cutting-Edge Internet......Page 46 The Future of the Internet......Page 48 What Is the Web?......Page 49 2.3 Joining the Digital World......Page 53 Connecting to the Internet......Page 54 Paying for the Privilege: Internet Service Providers......Page 55 How Browsers View What’s Online......Page 56 IPs and URLs: What’s in an Address?......Page 57 Browsing Web Pages......Page 58 Searching for Content Online......Page 59 Evaluating Web Content......Page 62 The Invisible Web (aka the Deep Web)......Page 64 B2B E-Commerce......Page 65 C2C E-Commerce......Page 66 2.7 Connecting in Cyberspace......Page 67 Email......Page 68 Instant Messaging......Page 69 Audio and Video Conferencing......Page 70 Summing Up......Page 71 Terms to Know......Page 73 Projects......Page 74 Class Conversations......Page 77 Why Does It Matter?......Page 79 3.1 A World of Digital Devices......Page 80 The Motherboard......Page 81 Power Supply......Page 82 Ports......Page 83 Storage......Page 85 A Wide Assortment of Input Devices......Page 87 Getting the Most from Your Computer with Output Devices......Page 90 What Processor Speed Do You Need?......Page 94 How Much Memory and Storage Is Enough?......Page 95 Which Operating System Is Right for You?......Page 96 Should You Opt for Higher-End Graphics and Sound?......Page 97 Summing Up......Page 98 Terms to Know......Page 100 Projects......Page 101 Class Conversations......Page 104 Why Does It Matter?......Page 105 Starting Your Computer......Page 106 The Operating System Package......Page 108 A (Brief!) History of Operating Systems......Page 109 Understanding Platforms and Platform Dependency......Page 110 Network Operating Systems......Page 115 The Future of the OS......Page 116 Configuring Hardware......Page 117 Controlling Input and Output Devices......Page 118 Managing System Performance and Memory......Page 119 Managing File Systems......Page 122 Providing Search and Help Capabilities......Page 123 Sending the Computer to Sleep or Shutting It Off......Page 125 A Wealth of Mobile OS Choices......Page 126 Summing Up......Page 129 Terms to Know......Page 130 Projects......Page 131 Class Conversations......Page 135 Why Does It Matter?......Page 137 5.1 Software’s Role in the World of Computing......Page 138 Productivity Software......Page 139 Software to Keep Us Organized......Page 143 Graphics, Multimedia, and Web Pages......Page 145 Entertainment and Personal Use......Page 147 Software Gets Professional......Page 148 Mobile Applications......Page 151 Developing Software......Page 152 How Software Is Delivered to You......Page 153 How We Pay for Software......Page 155 Importing and Exporting......Page 156 Embedding and Linking Content......Page 157 Using Shared Features......Page 158 Summing Up......Page 159 Terms to Know......Page 161 Projects......Page 162 Class Conversations......Page 165 Why Does It Matter?......Page 167 6.2 Exploring Communications Systems......Page 168 Types of Signals......Page 169 Transmission Speed......Page 170 Wired Transmissions......Page 172 Wireless Transmissions......Page 173 Wireless Networking Standards......Page 176 Types of Networks......Page 179 Network Architecture......Page 180 Network Topologies......Page 182 Network Devices......Page 183 Network Operating Systems......Page 186 6.7 Securing a Network......Page 187 6.8 Interesting Trends in Networking......Page 188 Cloud Computing......Page 189 The Evolution of 5G......Page 190 Summing Up......Page 192 Terms to Know......Page 195 Projects......Page 196 Class Conversations......Page 200 Why Does It Matter?......Page 201 7.2 Social Technology Comes of Age......Page 202 How the Social Web Was Born......Page 203 Overview of Social Technology Today......Page 205 The Future of Social Technology......Page 206 How Blogging Has Evolved......Page 207 The Many Uses of Blogs......Page 208 The Amazing Growth of Social Networking......Page 210 Interesting Trends for Social Networks......Page 211 How Social Bookmarking Works......Page 215 What’s a Wiki?......Page 216 Who’s Using Wikis?......Page 217 How Media Sharing Works......Page 218 How People Are Using Media Sharing......Page 219 Summing Up......Page 220 Terms to Know......Page 221 Projects......Page 222 Class Conversations......Page 224 Why Does It Matter?......Page 227 8.1 The Role of Security and Privacy in Your Digital World......Page 228 Computer Security: Where’s the Threat?......Page 229 Basic Tools of Computer Security......Page 231 Protecting Your Home Network......Page 232 The Menace of Malware......Page 233 How Is Malware Spread?......Page 237 Managing Cookies (Hold the Milk)......Page 238 Foiling Phishers: No Catch Today......Page 239 Social Media Risks: Click Wisely......Page 240 Protecting Your Laptop or Tablet and Its Precious Data......Page 241 Using Wi-Fi Safely......Page 242 Mobile Phone Security......Page 243 Data Privacy in the Cloud......Page 245 Data Privacy and Wearables......Page 246 Corporate Security Tech Tools......Page 247 Preventing Unauthorized Access......Page 248 Denial-of-Service Attacks......Page 249 Data Protection in Disastrous Times......Page 250 Building Firewalls......Page 251 Keeping Viruses and Spyware under Control......Page 252 Using Passwords Effectively......Page 253 Using PINs......Page 254 Summing Up......Page 255 Terms to Know......Page 257 Projects......Page 259 Class Conversations......Page 262 Glossary......Page 265 Index......Page 281 Photo Credits......Page 293