CompTIA A+ certification all-in-one exam guide, (exams 220-1001 & 220-1002) / Mike Meyers and Scott Jernigan.

Includes index.

Cover -- Title Page -- Copyright Page -- Dedication -- Contents at a glance -- Contents -- Acknowledgments -- Introduction -- Chapter 1 Safety and Professionalism -- 1002 -- The Professional Tech -- Appearance -- The Traits of a Tech -- Effective Communication -- Assertive Communication -- Respectful Communication -- Getting Answers -- Expectations and Follow-up -- Be Prepared! -- Electrostatic Discharge (ESD) -- Antistatic Tools -- Electromagnetic Interference (EMI) -- Radio Frequency Interference (RFI) -- Physical Tools -- Personal Safety -- Troubleshooting Methodology -- Chapter Review

Questions -- Answers -- Chapter 2 The Visible Computer -- Historical/Conceptual -- The Computing Process -- The Computing Parts -- Stages -- Why the Process Matters to Techs -- Breaking It Down -- 1001 -- Computing Hardware -- 1002 -- Computing Software -- Common Operating System Functions -- User Interfaces -- File Structures and Paths -- The Tech Launch Points -- Chapter Review -- Questions -- Answers -- Chapter 3 CPUs -- Historical/Conceptual -- CPU Core Components -- The Man in the Box -- Registers -- Clock -- Back to the External Data Bus -- Memory -- Memory and RAM -- Address Bus -- 1001

Modern CPUs -- Developers -- Technology -- Selecting and Installing CPUs -- Selecting a CPU -- Installation Issues -- Troubleshooting CPUs -- Symptoms of Overheating -- Catastrophic Failure -- Beyond A+ -- Intel Core M -- Chapter Review -- Questions -- Answers -- Chapter 4 RAM -- Historical/Conceptual -- Understanding DRAM -- Organizing DRAM -- Practical DRAM -- DRAM Sticks -- Consumer RAM -- Types of RAM -- SDRAM -- RDRAM -- 1001 -- DDR SDRAM -- DDR2 -- DDR3 -- DDR3L/DDR3U -- DDR4 -- RAM Variations -- Working with RAM -- Do You Need More RAM? -- Getting the Right RAM -- Installing DIMMs

Installing SO-DIMMs in Laptops -- Troubleshooting RAM -- Chapter Review -- Questions -- Answers -- Chapter 5 Firmware -- 1001 -- We Need to Talk -- Talking to the Keyboard -- BIOS -- CMOS and RTC -- Typical System Setup Utility -- Graphical UEFI System Setup Utility -- Text-Based UEFI Intel-Based Setup Utility -- Other BIOS Security Settings -- Exiting and Saving Settings -- Option ROM and Device Drivers -- Option ROM -- Device Drivers -- BIOS, BIOS, Everywhere! -- Power-On Self Test (POST) -- Before and During the Video Test: The Beep Codes -- Text Errors -- POST Cards -- The Boot Process

Care and Feeding of BIOS/UEFI and CMOS -- Default/Optimized Settings -- Clearing CMOS RTC RAM -- Losing CMOS RTC Settings -- Flashing the ROM -- Chapter Review -- Questions -- Answers -- Chapter 6 Motherboards -- Historical/Conceptual -- How Motherboards Work -- Form Factors -- 1001 -- Chipset -- Standard Components -- Additional Components -- Expansion Bus -- Structure and Function of the Expansion Bus -- PCI -- Mini-PCI -- PCI Express -- Installing Expansion Cards -- Troubleshooting Expansion Cards -- Upgrading and Installing Motherboards -- Choosing the Motherboard and Case

"This fully revised and updated resource offers complete coverage of the latest release of CompTIA A+ exams 220-1001 & 220-1002. You'll find learning objectives at the beginning of each chapter, exam tips, practice exam questions, and in-depth explanations. Designed to help you pass the CompTIA A+ exams with ease, this definitive guide also serves as an essential on-the-job IT reference"-- Provided by publisher

Print version record.