00723pamaa2200217 4500 0000050398 20121212090000.0 120807s2013 eng 9780071314725 / 0071314725 (pbk.) QA76.5 OLE 2013 O'Leary Computing essentials 2013 : making IT work for you : making IT work for you : Introductory Timothy J. O'Leary and Linda I. O'Leary. Introductory ed.. Boston: McGraw-Hill, 2013. xxvii, 405p.: ill.col.; 28cm. O'Leary series BACCI Computers Electronic data processing O'Leary, Linda I www.mhhe.com