TY  - BOOK
AU  - Jain, Satish.
TI  - O level made simple: module-1 computer fundamentals 
SN  - 8170294770
U1  - 004.81  1
PY  - 1994///
CY  - New Delhi
PB  - BPB Publications
KW  - Information concepts and processing
KW  - Categories of information in business organizations
KW  - Elements of a computer processing system
ER  -