TY  - GEN
AU  - Jain, Satish
AU  - Rai, Ambrish K.
AU  - Pillai, Vineeta
AU  - Rai, Ambrish K.
TI  - `O' level made simple - system software, diagnostic & debugging tools: (according to DOEACC CHM-04 syllabus for `O' level examination) 
T2  - Computer hardware maintenance
SN  - 8183332420
U1  - 005.42 
PY  - 2008///
CY  - New  Delhi
PB  - BPB Publications
ER  -