TY  - BOOK
AU  - Parker,Charles S.
TI  - Understanding computers and information processing: today and tomorrow 
SN  - 0030309123
U1  - 004 
PY  - 1990///
CY  - Chicago
PB  - The Dryden Preess
KW  - Electronic digital computer
KW  - Electronic data processing
N1  - Includes index
ER  -