TY  - BOOK
AU  - O'Leary,Timothy J.
TI  - Computing essentials: multimedia edition 1997-1998 
SN  - 9780071145398
AV  - QA76.5 .O42       1997
PY  - 1997///
CY  - New York
PB  - McGraw- Hill
KW  - Electronic data processing
KW  - Computers
ER  -