TY - BOOK AU - Haag,Stephen AU - Cummings,Maeve AU - Rea,Alan TI - Computing concepts: introductory edition T2 - The I series SN - 0072830816 U1 - 004 PY - 2004/// CY - Boston PB - McGrow-Hill/ Tecnology Education KW - Computing concepts KW - World Widw Web; System software; Computer architecture; E- Commerce; Database management systems N2 - Computer science ER -