By Michael Pastore
The one classroom-based built-in learn procedure for pro certification has been totally redesigned throughout--find out not just what to check, yet tips on how to research. You’ll get a hundred% entire assurance of all ambitions for the A+ examination, enormous quantities of perform examination questions, and hands-on workouts. The CD-ROM positive factors complete perform examination software program with interactive tutorials and lab simulations, plus an adaptive try out engine.
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Additional resources for A+ Certification Study Guide, Fifth Edition (Certification Press)
Vp Wednesday, September 17, 2003 2:38:00 PM Color profile: Generic CMYK printer profile Composite Default screen 28 Chapter 1: CertPrs8 / A+ Certification Study Guide / Pastore / 222766-4 / Chapter 1 Identifying, Adding, and Removing System Components To place the new (or replacement) board in the computer, line it up properly on the chassis screw holes, and fix it into place. Although the BIOS, CMOS, and CMOS battery are included with the system board, you will need to install the processor, memory, and expansion cards separately.
The circuit board is on the bottom of the drive. Never install a hard drive upside down. Hard drives and other devices can usually be installed sideways with no impact on operation or performance. Some ribbon cables have connectors for two hard drives. If the system has only one hard drive, attach it to the end of the ribbon cable. vp Wednesday, September 17, 2003 2:38:00 PM Color profile: Generic CMYK printer profile Composite Default screen CertPrs8 / A+ Certification Study Guide / Pastore / 222766-4 / Chapter 1 Adding and Removing Field-Replaceable Modules 29 procedures are necessary for installing more than one hard drive.
The CMOS chip is able to keep these settings in the absence of computer power because it is attached to a small CMOS battery. This battery is usually good for 2 to 10 years. If the system repeatedly loses track of time when turned off, the battery is probably worn out and will need to be replaced. This is usually a fairly simple process and requires the removal of the outer system covers. As complicated as it might seem, make sure you that have an iron-clad understanding of the relationship between the computer’s BIOS and CMOS as well as the differences in their functions.