00303    a2200121   4500020001500000082001600015100002400031245002500055260003600080300002500116650001800141700002200159  a0072836121  a004.16bOLE  aO'Leary, Timothy J.  aComputing essentials  aBostonbMcGraw-Hillc2005g2005  axxviii, 376p.c27cm.  aMicrocomputer  aO'Leary, Linda I.