Absolute Beginners Guide to A+ Certification. Covers the Hardware and Operating Systems Exam

UDMA (Ultra DMA) mode   2nd   3rd   4th  

UL (Underwriters Laborator) rating

       power supplies  

Ultra DMA (UDMA) mode   2nd   3rd   4th  

Ultra-X Web site  

UMA (Unified Memory Architecture)  

unbuffered memory  

UNC (Universal Naming Convention)  

       shared resources   2nd  

underlocking CPUs (central processing units)  

Underwriters Laboratory (UL) rating

       power supplies  

unformatting

       hard drives  

Unified Memory Architecture (UMA)  

UNINSTALL.EXE command-prompt utility  

uninterruptible power supply (UPS)   2nd   3rd  

Universal Naming Convention (UNC)  

       shared resources   2nd  

Universal Serial Bus.   [See USB]

universal slots  

unsigned device drivers   2nd   3rd  

Update Driver  

updates

       critical  

       device drivers  

               Windows 2000/XP installations  

               Windows NT 4.0   2nd  

       drivers  

       Windows  

       Windows 2000 Professional   2nd   3rd   4th   5th   6th  

       Windows 98  

       Windows XP Professional   2nd   3rd   4th   5th  

Upgrade (Readiness) Analyzer   2nd   3rd  

Upgrade Advisor   2nd   3rd   4th   5th  

       dowloading  

Upgrade Advisor (Windows XP)   2nd  

upgrade packs

       software

               Windows 2000  

upgrade Windows versions

       OS (operating system) istallations   2nd  

upgrades  

       BIOS (Basic Input Output System)   2nd  

               Flash BIOS upgrades   2nd   3rd   4th   5th   6th   7th   8th  

       memory  

       motherboards   2nd   3rd  

       operating system  

       OS (operating system) installations  

       portable computers   2nd  

       video cards  

       Windows 2000 Professional  

                preparations   2nd   3rd   4th  

               service pack installations   2nd   3rd   4th   5th   6th  

               troubleshooting   2nd   3rd   4th   5th   6th  

               updates   2nd   3rd   4th   5th   6th  

               Windows 9x   2nd   3rd   4th   5th   6th   7th  

               Windows Me   2nd   3rd   4th   5th   6th   7th  

               Windows NT 4.0   2nd   3rd  

       Windows 98  

               MS-DOS   2nd  

               preparations   2nd   3rd   4th  

               troubleshooting   2nd  

               updates  

               Windows 3.1   2nd   3rd  

               Windows 95   2nd  

       Windows XP Professional   2nd  

               older versions   2nd   3rd  

               preparations   2nd   3rd  

               preparations, Microsoft Windows Catalog  

               preparations, Upgrade Advisor   2nd   3rd   4th   5th  

               service pack installations   2nd   3rd   4th   5th  

               STOP errors  

               troubleshooting   2nd   3rd   4th  

               updates   2nd   3rd   4th   5th  

upgrading

       Level 2 (L2) cache  

upper memory  

UPS (uninterruptible power supply)   2nd   3rd  

UR logos (power supplies)  

USB 1.1 interface (printers)  

USB 1.1 port  

USB 2.0 interfaces (printers)  

USB 2.0 ports  

USB interface (touchscreen controllers)  

USB keyboards

       installing  

USB network adapters

       installing   2nd  

USB ports   2nd   3rd   4th   5th  

       digital camera connections   2nd   3rd   4th   5th  

       enabling/disabling  

       troubleshooting  

USB printers

       configuring/installing  

USB Type A connector  

user -level security  

Users of This Computer dialog box  

UsrClass.dat file  

utilities

       SIDWalker  

       Sysprep  

       troubleshooting  

               command-prompt   2nd   3rd   4th   5th   6th  

               DirectX Diagnostics   2nd  

               MSConfig   2nd  

               Windows Recovery Console   2nd   3rd   4th   5th