00273nam a2200109 a 450000500170000008200160001710000190003324500480005226000250010030000250012563000130015020251202164128.0  a004.16bGOO  aGoodman, Danny  aHow to buy an IBM PC or compatible computer  aDelhibS.Chandc1987  ax, 197p.c23 cm.bPB  aComputer