A+ Certification

Power to the ’Puter  Time Shaver  In spite of the power supply’s importance, there aren’t many questions on the A+ exam specifically about it. When you boil it down, it just supplies power and provides for the general cooli...

Protecting against Power Evils There are certainly ways you can fight back against the evils of external power. In fact, several levels of protection exist, ranging from none to too much, that you can use to protect your computer system from...

The Power SupplyThis section concentrates on the first exam objective listed at the beginning of the chapter: recognizing PC power supply terms, concepts, and functions. This section covers a few questions you should expect on the test. The ...

Connecting the Power  Warning  The Core Hardware exam includes power questions that relate to the motherboard, disk drives, and other devices. Some of these questions may appear to be about the device; they’re actually power and power ...

Getting Ready for Work One of the skills you should have to be truly effective as a PC repair professional is the ability to use a multimeter, whether digital or analog, to troubleshoot PC electrical problems. On the exam, you can expect to ...

Powering and Cooling the PC Prep Test A device that can supply backup power to a PC when the electricity fails and provides for line conditioning as well is called a(n) SPS UPS Surge suppressor Line conditioner ...