By Mark Edward Soper
Passing a try is one thing...mastering the sphere is one other, and this publication is step one to getting to know the realm of laptop and working platforms. Mark Edward Soper not just exhibits you what you want to move the exams, but additionally what you want to have an part at the pageant, on examination day and within the place of work. every one bankruptcy takes a ground-up technique, beginning with the necessities and steadily construction to greater, extra complicated strategies. The ebook is loaded with informative illustrations, photographs and display captures that assist you persist with alongside, whether you do not have the entire at home.The CD accompanying the booklet presents examine assets, together with a PrepLogic try engine, lab workouts, and examine notes. The e-book additionally deals a convenient pursuits index that maps every one try goal to the part of the booklet during which it really is lined. This beneficial - and missed via opponents - instrument permits you to be sure that you are prepared for try out day!
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Additional resources for Absolute Beginner's Guide to A+ Certification: Covers the Hardware and Operating Systems Exam
Sample text
This chapter introduces you to the major components you will find in typical computers, including those prone to being a point of failure. Think of it as an anatomy lesson, but without the formaldehyde or nasty smells. < Day Day Up > < Day Day Up > 62 63 The Outside Story of Typical Computers Although the "inside" story of computers is even more complicated than the outside, don't neglect taking a good look at the outside of your system when it's time to troubleshoot a computer problem. You also need to check out the outside of the computer when it's time to plug in a peripheral to see if there's a suitable connector for it.
Fortunately, current ROMs can be reprogrammed with software. This process is called flashing the ROM and is performed with the BIOS firmware found on motherboards and in modems, among other devices. Want to learn more? The reasons for upgrading ROMs and the methods used are covered in Chapter 6. < Day Day Up > < Day Day Up > 61 62 Dissecting Your Computer Before you can troubleshoot your computer, you need to understand what a computer is and how it's put together. A computer (or PC, for personal computer) is not a single unit, but is instead a collection of hardware subsystems including • Video • Storage • Input devices • Printers and other output devices • Audio • Networking • Processor • Memory • Power • Motherboard Whenever a computer stops working, you can trace it back to the failure of one or more of these subsystems (the device and its cables).
This chapter introduces you to the major components you will find in typical computers, including those prone to being a point of failure. Think of it as an anatomy lesson, but without the formaldehyde or nasty smells. < Day Day Up > < Day Day Up > 62 63 The Outside Story of Typical Computers Although the "inside" story of computers is even more complicated than the outside, don't neglect taking a good look at the outside of your system when it's time to troubleshoot a computer problem. You also need to check out the outside of the computer when it's time to plug in a peripheral to see if there's a suitable connector for it.
