00589nam a2200217Ia 4500 200601s9999 xx 000 0 und d 978-1-260-09856-3 ComSc QA 76.5 .O44 2019 Computing essentials 2019 : making IT work for you / Timothy J. O'Leary, Linda I. O'Leary, Daniel A. O'Leary. New York : McGraw-Hill, 2019 392 pages : 28 cm. Includes index. Computers. Electronic data processing. 363149 363149 0 0 0 SMC SMC ComSc 2020-01-16 4693.00 0 ComSc QA 76.5 .O44 2019 SMC06338 2020-06-01 00:00:00 2020-06-01 BK