TY  - BOOK
AU  - O’Leary, Timothy J., 1947- 
AU  - Linda I. O’Leary.
TI  - Computing essentials
SN  - 9780071221276
AV  - QA76  .O45 2011
PY  - 2011///
CY  - New york
PB  - McGraw-Hill
KW  - computing
N1  - includes bibliographical details and index
ER  -