By Ron Gilster
Prepping for the A+ certification examination isn't a simple problem, yet so that it will turn into a professional computing device technician, passing this try out is a demand. the excellent news is you just need to take it as soon as on your existence to turn 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 makes a speciality of all the pieces you must comprehend to cross those checks, delivering historical past details that will help you comprehend a few of the extra complicated innovations 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 structures basicsProfiles of home windows ninety five, ninety eight, Me, 2000, and XPMaking community connectionsWorking with the networkSharing the internetThe bonus CD-ROM beneficial properties specific test-prep software program with two times as many pattern questions than the former versions of this publication, plus demo models of Boson software program, Inc., JRK software program, Vista-Net Publishing, and Self attempt software program. Now elevated to incorporate the 2003 model of the examination, this is often the fun-and-easy approach to research for the examination, with the entire rewards in part the time!
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Extra resources for A+ Certification for Dummies, 3rd edition
Although specific electronics or electricity questions aren’t on the test, many questions assume a basic understanding of electricity concepts and terminology and the function of a few electronic components. Even if you know enough about electricity to repair a PC without destroying either the equipment or yourself, you may need a refresher on the names, definitions, concepts, and applications of electricity and electronics. This chapter presents the groundwork with a very brief review of electricity and basic electronics.
Tip The DOS DEBUG program gives memory locations in hexadecimal with a hexadecimal offset to indicate its size. You need to be able to convert this number to know how big an area is being referenced. 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.
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