By Ron Gilster
Prepping for the A+ certification examination isn't a simple problem, yet as a way to develop into a qualified desktop technician, passing this try out is a demand. the good news is you simply need to take it as soon as on your existence to develop into certified.A+ Certification For Dummies third version is a no-nonsense, easy-to-use reference and learn advisor for the A+ center examination and the OS applied sciences examination! It specializes in everything you want to recognize to move those assessments, delivering heritage details that can assist you comprehend many of the extra complicated recommendations and applied sciences. You’ll have a deal with on the entire topics, 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 unique test-prep software program with two times as many pattern questions than the former versions of this booklet, plus demo types of Boson software program, Inc., JRK software program, Vista-Net Publishing, and Self try out software program. Now extended to incorporate the 2003 model of the examination, this can be the fun-and-easy method to learn for the examination, with the entire rewards in part the time!
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Additional info for A+ Certification for Dummies, 3rd edition
Author’s Acknowledgments I would like to thank the virtual “cast of thousands” at Wiley who helped to get this book published, especially Melody Layne, Carol Sheehan, Pat O’Brien, John Edwards, Jean Rogers, Dan DiNicolo, Laura Moss, Laura Carpenter VanWinkle, and Amanda Foxworth, all of whom were on my side all the way. com/register/. com) Production Project Coordinator: Ryan Steffen Layout and Graphics: Carrie Foster Joyce Haughey Michael Kruzil Heather Ryan Jacque Schneider Julie Trippetti Proofreaders: Laura Albert David Faust John Greenough Dwight Ramsey Charles Spencer TECHBOOKS Production Services Indexer: TECHBOOKS Production Services Publishing and Editorial for Technology Dummies Richard Swadley, Vice President and Executive Group Publisher Andy Cummings, Vice President and Publisher Mary C.
Time Shaver Concentrate on the hexadecimal addresses of the IRQs, COM, and LPT ports, not the decimal equivalents of these hexadecimal values. Converting hexadecimal numbers Converting any nondecimal number system to decimal requires two things: The radix (base value) of the number system Remember The radix of a number is the value that 10 represents in that number’s number system. The radix of decimal is 10, the radix of binary is 2, and the radix of hexadecimal is 16. The numeric value of each position In binary numbers, each position represents a different power of two; the same holds true in any number system (including hexadecimal, where each position represents a different power of 16).
Before you touch the computer, touch the pad to discharge any built-up static electricity. If all else fails, install humidifiers to place moisture in the air. Keep the humidity above 50 percent. Dry air can cause static electricity. Warning When working on the monitor, never wear a grounding strap. The monitor has a very large capacitor in it and a grounding strap invites all of its stored charge to run through your body — not always a pleasant experience. Polishing Up on Number Systems A+ exam questions reference hexadecimal addresses for such PC components as IRQs and COM ports.
A+ Certification for Dummies, 3rd edition by Ron Gilster