TY  - BOOK
AU  - O'Leary,Timothy J.
AU  - O'Leary,Linda I.
TI  - Computing essentials 1998-1999
SN  - 007561040X
U1  - 004 
PY  - 1998///
CY  - Boston
PB  - Irwin/McGraw-Hill
KW  - Computers
KW  - Hardware; Software; System software; Communications; Internet; Information systems; Systems analysis; Programming languages; Information technology
N2  - Computer science
ER  -