TY  - GEN
AU  - Parker, S. Charles
TI  - Understanding computers and information processing : : today and tomorrow 
SN  - 0030309093
U1  - 004  
PY  - 1990///
CY  - Chicago : 
PB  - The Dryden Press
KW  - Electronic digital computers
KW  - Information processing
N1  - Includes bibliographical references and index; Table of contents only
ER  -