This is an updated edition of Sybex's lab manual for the A+ certification sponsored by CompTIA (Computing Technology Industry Association). A+ certifies the competency of service technicians in the computer industry. Revised exams are due out Q4 of this year. A+ candidates must pass two exams--Core Hardware and Operating System Technologies. The new hardware exam will cover latest memory, bus, peripheral & wireless technology and the new O/S exam will include added coverage of Windows Me & XP.