TY - BOOK AU - Aaron, Bud. AU - ED - ED - ED - ED - TI - : Bud Aaron and Alex Aaron SN - 2 PY - 1991///;©199146 CY - xxv, 459 pages : ;Berkeley, CA PB - illustrations ; ;Osborne McGraw-Hill KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Upgrading.;Upgrading KW - Microcomputers;IBM microcomputers.;IBM-compatible computers KW - sears;sears;sears0 N1 - Includes index; 5 ER -