O'Leary, Timothy J., 1947-
Computing essentials : making IT work for you : introductory 2015 / Computing essentials 2015 introductory Timothy J. O'Leary, Linda I. O'Leary, Daniel A. O'Leary. - xxii, 298 pages : illustrations (black and white, and colour) ; 28 cm. - The O'Leary series .
Includes indexes.
9781259223150
Computers.
Electronic data processing.
Application software.
Systems software.
004 / OLE 2015
Computing essentials : making IT work for you : introductory 2015 / Computing essentials 2015 introductory Timothy J. O'Leary, Linda I. O'Leary, Daniel A. O'Leary. - xxii, 298 pages : illustrations (black and white, and colour) ; 28 cm. - The O'Leary series .
Includes indexes.
9781259223150
Computers.
Electronic data processing.
Application software.
Systems software.
004 / OLE 2015