pt. 1: A+ guide to PC hardware. PC basics -- An introduction to operating systems -- The basic components -- Basic electricity and the power supply -- Computer enclosures -- Motherboards, BIOS, and the chipset -- Understanding CPUs -- The evolution and development of the CPU -- Searching your memory -- Examining the expansion bus -- Input devices -- Working with removable disks -- Hard disk drive structure and geometry -- Hard disk interfacing and disk management -- The many faces of SCSI -- Your computer and graphics -- Multimedia: Computerized home entertainment -- Printing technologies: getting it all on paper -- Portable computing -- Telecommunications -- pt. 2: A+ guide to PC operating systems. MS-DOS and the command prompt -- The evolution of windows and windows basics -- Introducing WIN9x -- Managing Windows 9x -- The world of NT -- Windows NT architecture -- Administrative tools in NT -- An introduction to Windows 2000 -- WIN2K system administration -- Introducing XP -- Introducing Linux -- The hardware on the network -- Navigating the internet -- Basic troubleshooting procedures.