TY  - BOOK
AU  - Shelly,Gary B.
TI  - Discovering computers 2002: concepts for a digital world 
SN  - 0789561859
PY  - 2001///
CY  - Boston, MA
PB  - Course Technology/Thomson Learning
KW  - Computers
KW  - Electronic digital computers
N1  - Includes and index
ER  -