O'LEARY, Timothy J. O'Leary, L . Linda Computing essentials 1998/1999 / [by] Timothy J.O'leary, Linda I.O'leary - Boston Mcgraw-Hill 1998 - xvii, 270 p. + CD-ROM Glossary: p. G1-G14; Index: p. I1-I17. ISBN: 007561040x Subjects--Topical Terms: Computers Dewey Class. No.: 4 / O'LE