By Ron Gilster
Prepping for the A+ certification examination isn't really a simple problem, yet with a purpose to turn into a qualified computing device technician, passing this attempt is a demand. the excellent news is you just 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 research consultant for the A+ middle examination and the OS applied sciences examination! It specializes in every little thing you want to be aware of to cross those checks, supplying heritage details that will help you comprehend a number of the extra complicated suggestions 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 good points unique test-prep software program with two times as many pattern questions than the former variations of this booklet, plus demo models of Boson software program, Inc., JRK software program, Vista-Net Publishing, and Self attempt software program. Now improved to incorporate the 2003 model of the examination, this can be the fun-and-easy solution to examine for the examination, with all of the rewards in part the time!
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Extra resources for A+ Certification for Dummies, 3rd edition
When electricity flows into a wire from a source such as a battery, some of its pressure is lost to resistance in the wire. Table 2-1 puts this analogy into a little better perspective. The electrical measures are listed with a description and an example of how they’re applied on the PC. Counting electrons The forces of electricity inside the computer can be measured, and each type of measurement tells you something different about the computer. I include the electrical measurements in Table 2-1 to provide you with an introduction to these units of measurement.
For all intents and purposes, the motherboard is the computer. A computer without a motherboard is simply an empty metal box that just sits there. The primary components of the PC attach or plug into the motherboard, which creates the functionality of the PC. The major components included on or connected to the motherboard include the CPU, memory, expansion cards, disk drives, keyboard, mouse, and monitor. You know — all of the really important parts of the PC. By any other name, it’s still mother The motherboard is often referred to as a systemboard (at one time there was a distinction between the two).
Baby AT: This motherboard is a smaller version of the AT form factor motherboard. ATX: Similar in size to the Baby AT, the ATX adds features. This is the most often used form in today’s PCs. The ATX motherboard allows for easier installation of full-length expansion cards and cables and is easier to cool. ” The components on the motherboard The motherboard consists of layers of components added to the basic circuit board, similar to the layers of a pizza. Using the pizza analogy, think of the motherboard as the crust; the components, which add its functionality, are the toppings.
A+ Certification for Dummies, 3rd edition by Ron Gilster