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Complete Comptia A+ Guide To It Hardware And Software
Master IT hardware and software installation, configuration, repair, maintenance, and troubleshooting
and fully prepare for the CompTIA A+ 220-901 and 220-902 exams
now in full color, with coverage of Windows 10.
This unique tutorial and study guide teaches the fundamentals of IT device installation, configuration, maintenance, and networking with thorough instruction built on the CompTIA A+ 220-901 and 220-902 exam objectives. Learn all the skills you need to become a certified professional and customer-friendly technician using today's tools and technologies.
Every chapter opens with focused learning objectives and lists the exam objectives covered in that chapter. To meet the learning objectives, each chapter includes detailed figures, helpful Tech Tips, explanations of key terms, step-by-step instruction, and complete coverage of every topic. At the end of every chapter are comprehensive learning and assessment tools, including review questions, key terms list, thought-provoking activities, team building activities, and certification exam tips. Hundreds of hands-on device labs means you don't have to buy an extra lab manual.
Covers Objectives from both 2015 A+ Exams in one book.
- Mobile Devices
- Hardware and Network Troubleshooting
- Windows Operating Systems
- Other Operating Systems and Technologies
- Software Troubleshooting
- Operational Procedures
Learn more quickly and thoroughly with all these study and review tools:
- Learning Objectives provide the goals for each chapter
- Hundreds of photos, figures and tables to help summarize and present information in a visual manner
- Practical Tech Tips give real-world IT Tech Support knowledge
- Soft Skills best practice advice and activities in each chapter cover all the tools and skills you need to become a professional, customer-friendly technician in every category
- Review Questions, including true/false, multiple choice, matching, fill-in-the-blank, and open-ended questions, assess your knowledge of the learning objectives
- Hundreds of thought-provoking activities to apply and reinforce the chapter content
- More than 100 Labs enable you to link theory to practical experience
- Key Terms identify exam words and phrases associated with each topic
- Detailed Glossary clearly defines every key term
- Critical Thinking Activities in every chapter take you beyond the facts to complete comprehension of topics
- Chapter Summary provides a recap of key concepts for studying
Thermal Behavior Of Photovoltaic Devices
This book provides a comprehensive introduction to the thermal issues in photovoltaics. It also offers an extensive overview of the physics involved and insights into possible thermal optimizations of the different photovoltaic device technologies.In general, temperature negatively affects the efficiency of photovoltaic devices. The first chapter describes the temperature-induced losses in photovoltaic devices and reviews the strategies to overcome them. The second chapter introduces the concept of temperature coefficient, the underlying physics and some guidelines for reducing their negative impacts. Subsequent chapters offer a comprehensive and general thermal model of photovoltaic devices, and review how current and emerging technologies, mainly solar cells but also thermophotovoltaic devices, can benefit from thermal optimizations.Throughout the book, the authors argue that the energy yield of photovoltaic devices can be optimized by taking their thermal behavior and operating conditions into consideration in their design.
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