TY  - BOOK
AU  - O'Leary,Timothy J.
AU  - O'Leary,Linda I.
TI  - Computing essentials 2021: making it work for you 
T2  - The O'Leary series
SN  - 9781260570755(alk. paper)
AV  - QA76.5 .O428 2021
U1  - 004 22
PY  - 2011///
CY  - New York
PB  - McGraw-Hill
KW  - Computers
KW  - Electronic data processing
N1  - Includes index; Issues for 2012-  cataloged as a serial in LC
ER  -