TY  - BOOK
AU  - Hamayun Mian, Dr
TI  - Computer Science: pitb notes for class xi
SN  - (pbk)
U1  - 004 
PY  - 2000///
CY  - Lahore
PB  - Khalid book depot
KW  - Computer Science
KW  - System software
KW  - Window operating systems
KW  - Security
KW  - FC
N1  - Includes index
ER  -