Introduction xiii Chapter 1 Welcome to CompTIA IT Fundamentals+ 3 Domain 1.0--IT Concepts and Terminology 5 Domain 2.0--Infrastructure 5 Domain 3.0--Applications and Software 6 Domain 4.0--Software Development Concepts 6 Domain 5.0--Database Fundamentals 7 Domain 6.0--Security 7 Hardware, Equipment, and Tools 8 Software 9 Part 1: Domain 1.0 - IT Concepts and Terminology Chapter 2 How Computers Store Data: Notational Systems 13 Foundation Topics 13 Binary 13 Hexadecimal 14 Decimal 17 Data Representation 18 Exam Preparation Tasks 21 Practice Questions for Objective 1.

1 22 Your Next Steps 25 Chapter 3 Compare and Contrast Fundamental Data Types and Their Characteristics 27 Foundation Topics 27 Char 27 Strings 27 Numbers 28 Boolean 30 Exam Preparation Topics 32 Practice Questions for Objective 1.2 32 Your Next Steps (More Certs) 35 Chapter 4 Input, Output, and More: The Basics of Computing and Processing 37 Foundation Topics 37 Input 37 Processing 39 Output 41 Storage 43 Exam Preparation Tasks 43 Practice Questions for Objective 1.3 44 Your Next Steps (More Certs) 48 Chapter 5 Explain the Value of Data and Information 51 Foundation Topics 51 Data and Information as Assets 51 Importance of Investing in Security 51 Relationship of Data to Creating Information 52 Intellectual Property 54 Digital Products 58 Data-Driven Business Decisions 58 Exam Preparation Tasks 60 Practice Questions for Objective 1.4 61 Your Next Steps (More Certs) 65 Chapter 6 Common Units of Measure: Storage, Throughput, and Speed 67 Foundation Topics 67 Storage Units 67 Capacity Comparison 71 Throughput Unit 73 Processing Speed 75 Exam Preparation Tasks 77 Practice Questions for Objective 1.5 78 Your Next Steps 83 Chapter 7 Explain the Troubleshooting Methodology 85 Foundation Topics 85 Identify the Problem 85 Research Knowledge Base/Internet, If Applicable 99 Establish a Theory of Probable Cause 100 Test the Theory to Determine the Cause 102 Establish a Plan of Action to Resolve the Problem and Identify Potential Effects 104 Implement the Solution or Escalate as Necessary 105 Verify Full System Functionality and, If Applicable, Implement Preventive Measures 105 Document Findings/Lessons Learned, Actions, and Outcomes 107 Exam Preparation Tasks 108 Practice Questions for Objective 1.6 109 Your Next Steps (More Certs) 113 Part 2: Domain 2.0 - Infrastructure Chapter 8 I/O: Input/Output Device Interfaces 115 Foundation Topics 115 Networking 115 Peripheral Devices 121 Graphic Device 131 Exam Preparation Topics 135 Practice Questions for Objective 2.1 136 Your Next Steps (More Certs) 140 Chapter 9 Connecting and Configuring Peripherals 143 Foundation Topics 143 Devices 143 Installation Types 161 Exam Preparation Tasks 164 Practice Questions for Objective 2.

2 165 Your Next Steps (More Certs) 169 Chapter 10 Explain the Purpose of Common Internal Computer Components 171 Foundation Topics 171 Motherboard/System Board 171 Firmware/BIOS 175 RAM 177 CPU 179 GPU 186 Storage 188 Cooling 190 NIC 193 Exam Preparation Tasks 196 Practice Questions for Objective 2.3 197 Your Next Steps 201 Chapter 11 Internet Service Types 203 Foundation Topics 203 Fiber Optic 203 Cable 205 DSL 209 Wireless 210 Comparing Internet Services 213 Exam Preparation Tasks 214 Practice Questions for Objective 2.4 215 Your Next Steps (More Certs) 219 Chapter 12 Compare and Contrast Storage Types 221 Foundation Topics 221 Volatile vs. Nonvolatile 221 Local Storage Types 221 Local Network Storage Types 238 Cloud Storage Service 242 Exam Preparation Topics 245 Practice Questions for Objective 2.5 245 Your Next Steps (More Certs) 247 Chapter 13 Compare and Contrast Common Computing Devices and Their Purposes 249 Foundation Topics 249 Mobile Phones 249 Tablets 250 Laptops 251 Workstations 252 Servers 253 Gaming Consoles 256 IoT 258 Exam Preparation Tasks 266 Practice Questions for Objective 2.6 268 Your Next Steps (More Certs) 271 Chapter 14 Explain Basic Networking Concepts 273 Foundation Topics 273 Basics of Network Communication 273 Basics of Packet Transmission 273 Device Addresses 276 Basic Protocols 280 Devices 284 Exam Preparation Tasks 287 Practice Questions for Objective 2.7 288 Your Next Steps (More Certs) 293 Chapter 15 Given a Scenario, Install, Configure, and Secure a Basic Wireless Network 295 Foundation Topics 295 802.11a/b/g/n/ac 295 Best Practices 304 Exam Preparation Topics 310 Practice Questions for Objective 2.

8 311 Your Next Steps (More Certs) 316 Part 3: Domain 3.0 - Applications and Software Chapter 16 Explain the Purpose of Operating Systems 319 Foundation Topics 319 Interface Between Applications and Hardware 319 Disk Management 319 Process Management/Scheduling 322 Application Management 324 Memory Management 330 Windows 331 macOS 332 Linux 332 Device Management 333 Access Control/Protection 335 Types of OS 336 Exam Preparation Tasks 344 Practice Questions for Objective 3.1 345 Your Next Steps (More Certs) 349 Chapter 17 Operating Systems 101: Features, Processes, UI, and Management 351 Foundation Topics 351 Features 355 File Management 366 Services 374 Processes 377 Drivers 381 Utilities 384 Interfaces 387 Exam Preparation Tasks 389 Practice Questions for Objective 3.2 391 Your Next Steps (More Certs) 395 Chapter 18 Purpose and Proper Use of Software 397 Foundation Topics 397 Productivity Software 397 Collaboration Software 403 Business Software 406 Exam Preparation Topics 410 Practice Questions for Objective 3.3 410 Your Next Steps (More Certs) 415 Chapter 19 Getting Apps From Source to Your Device 417 Foundation Topics 417 Application Delivery Methods 417 Application Architecture Models 419 Exam Preparation Tasks 421 Practice Questions for Objective 3.4 422 Your Next Steps (More Certs) 424 Chapter 20 Configuring and Using Web Browsers 427 Foundation Topics 427 Caching/Clearing Cache 427 Deactivate Client-Side Scripting 429 Browser Add-Ons/Extensions 430 Private Browsing 433 Proxy Settings 434 Certificates 436 Popup Blockers 439 Script Blockers 440 Compatible Browser for Application(s) 440 Exam Preparation Tasks 441 Practice Questions for Objective 3.5 442 Your Next Steps (More Certs) 447 Chapter 21 Compare and Contrast General Application Concepts and Uses 449 Foundation Topics 449 Single-Platform Software 449 Cross-Platform Software 449 Licensing 454 Software Installation Best Practices 458 Exam Preparation Topics 467 Practice Questions for Objective 3.6 468 Your Next Steps (More Certs) 472 Part 4: Domain 4.

0 - Software Development Concepts Chapter 22 Compare and Contrast Programming Language Categories 475 Foundation Topics 475 Interpreted 475 Compiled Programming Languages 483 Query Languages 486 Assembly Language 487 Exam Preparation Tasks 489 Practice Questions for Objective 4.1 490 Your Next Steps (More Certs) 494 Chapter 23 Using Programming Organizational Techniques and Interpret Logic 497 Foundation Topics 497 Organizational Techniques 497 Logic Components 501 Exam Preparation Tasks 505 Practice Questions for Objective 4.2 506 Your Next Steps (More Certs) 508 Chapter 24 Explain the Purpose and Use of Programming Concepts 511 Foundation Topics 511 Identifiers 511 Containers 512 Functions 512 Objects 513 Exam Preparation Tasks 514 Practice Questions for Objective 4.3 515 Your Next Steps (More Certs) 518 Part 5: Domain 5.0 - Database Fundamentals Chapter 25 Explain Database Concepts and the Purpose of a Database 521 Foundation Topics 521 Usage of Database 521 Flat File vs. Database 528 Records 531 Storage 532 Exam Preparation Tasks 534 Practice Questions for Objective 5.1 535 Your Next Steps (More Certs) 539 Chapter 26 Compare and Contrast Various Database Structures 541 Foundation Topics 541 Structured vs. Semi-Structured vs.

Nonstructured 541 Relational Databases 545 Nonrelational Databases 547 Exam Preparation Tasks 549 Practice Questions for Objective 5.2 550 Your Next Steps (More Certs) 553 Chapter 27 Summarize Methods Used to Interface with Databases 555 Foundational Topics 555 Relational Methods 555 Database Access Methods 561 Export/Import 563 Exam Preparation Tasks 568 Practice Questions for Objective 5.3 569 Your Next Steps (More Certs) 573 Part 6: Domain 6.0 - Security Chapter 28 Confidentiality, Integrity, and Availability Concerns 575 Foundation Topics 575 Confidentiality Concerns 575 Integrity Concerns 579 Availability Concerns 581 Exa.