By Jean Andrews

ISBN-10: 1435487389

ISBN-13: 9781435487383

Written through best-selling laptop fix writer and educator Jean Andrews, the 5th variation of A+ advisor to undefined: handling, holding, and Troubleshooting maps totally to CompTIA's 2009 A+ examination targets. This full-color advisor is the main whole, step by step publication on hand for studying the basics of helping and troubleshooting laptop undefined. while, it prepares readers to effectively move the A+ 220-701 and 220-702 assessments. the recent variation is formatted to aid any instructing or studying variety and path layout, that includes an essentials-to-practical association inside each one bankruptcy and inclusion of tabs distinguishing examination content material. extra content material and stay demonstrations with Jean Andrews can be found at the accompanying CD, making this new version a complete resolution for upkeep and service.

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Extra info for A+ Guide to Hardware: Managing, Maintaining and Troubleshooting 5th Edition

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CompTIA has not reviewed or approved the accuracy of the contents of this training material and specifically disclaims any warranties of merchantability or fitness for a particular purpose. CompTIA makes no guarantee concerning the success of persons using any such “Authorized” or other training material in order to prepare for any CompTIA certification exam. The contents of this training material were created for the CompTIA A+ 2009 certification exams. State of the Information Technology (IT) Field xliii STATE OF THE INFORMATION TECHNOLOGY (IT) FIELD Most organizations today depend on computers and information technology to improve business processes, productivity, and efficiency.

Adapter cards, also called expansion cards or simply cards, are installed in Video long narrow expansion slots on the motherboard. All adapter Looking Inside a PC cards contain microchips, which are most often manufactured using CMOS (complementary metal-oxide semiconductor) technology. The other major components inside the case look like small boxes and include the power supply, hard drive, CD drive, and possibly a floppy drive. There are two types of cables inside the case: data cables, which connect devices to one another, and power cables or power cords, which supply power.

Ergonomic keyboards are curved to make them more comfortable for the hands and wrists. In addition, some keyboards come equipped with a mouse port used to attach a mouse to the keyboard, although it is more common for the mouse port to be on the computer case. Electricity to run the keyboard comes from inside the computer case and is provided by wires in the keyboard cable. A mouse is a pointing device used to move a pointer on the screen and to make selections. The bottom of a mouse has a Video rotating ball or an optical sensor that tracks movement and Examining the Back of a PC controls the location of the pointer.

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A+ Guide to Hardware: Managing, Maintaining and Troubleshooting 5th Edition by Jean Andrews

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