By Ron Gilster
Prepping for the A+ certification examination isn't really a simple problem, yet in an effort to turn into a professional laptop technician, passing this try is a demand. the excellent news is you just need to take it as soon as on your lifestyles to develop into certified.A+ Certification For Dummies third version is a no-nonsense, easy-to-use reference and research advisor for the A+ center examination and the OS applied sciences examination! It specializes in every part you must comprehend to move those exams, delivering heritage info that will help you comprehend a few of the extra complicated techniques and applied sciences. You’ll have a deal with on all of the matters, including:The anatomy of a computerBuilding and deconstructing a PCMaintaining a computerOperating platforms basicsProfiles of home windows ninety five, ninety eight, Me, 2000, and XPMaking community connectionsWorking with the networkSharing the internetThe bonus CD-ROM positive factors specific test-prep software program with two times as many pattern questions than the former variants of this ebook, plus demo types of Boson software program, Inc., JRK software program, Vista-Net Publishing, and Self try out software program. Now elevated to incorporate the 2003 model of the examination, this is often the fun-and-easy solution to examine for the examination, with the entire rewards in part the time!
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Additional info for A+ Certification for Dummies, 3rd edition
This book will not provide you with an in-depth background on PC hardware and software. It will, however, prepare you to take the A+ Core Hardware and OS Technologies exams. In developing this book, I made two assumptions: You have knowledge of electronics, computers, software, networking, troubleshooting procedures, and customer relations, and need a study guide for the exams. You have limited knowledge of electronics, computer hardware, and the processes used to repair, maintain, and upgrade PCs and could use a little refresher on the basics along with a review and study guide for the exams.
That’s why this chapter reviews the binary and hexadecimal number systems. I also include a couple of labs to help you review the process of converting hexadecimal and binary numbers to and from decimal values. Quick Assessment Identifying the concepts, terminology, and properties of electronics and electricity in PCs ______ measures the electrical pressure in a circuit. ______ measures an electrical current’s strength. A semiconductor that can store one of two toggled values is a(n) ______. Households use ______ current electricity.
Tip Watch for training or study material vendors that offer discounted exam vouchers. You can find discounted vouchers for slightly more than the member rate if you shop around. Studying for the Exams This book and the resources listed, named, or cited throughout its contents are your sure-fire best first steps to getting there. Chapter 2: Basic Electronics and Number Systems Exam Objectives Identifying the concepts, terminology, and properties of electronics and electricity in the PC Identifying ESD (electrostatic discharge) and ESD protection devices Reading and converting binary, decimal, and hexadecimal number systems The fundamentals of computer troubleshooting, repair, and maintenance require understanding of electricity, electronics, and number systems.