TY  - BOOK
AU  - O'Leary, Timothy J.
AU  - O'Leary, Linda I.
TI  - Computing essentials, 2004
SN  - 0072519592 
U1  - 004.16 
PY  - 2003///
CY  - Boston MA
PB  - McGraw-Hill TIrwin
KW  - Computer introduction
KW  - Electronic digital computers
ER  -