00791nam a22002417a 450000500170000001000130001702000210003003500130005103700160006404000120008008200130009210000340010524500710013924600060021026000430021627000460025930000200030565000340032565000290035994200220038899900190041095201200042920170124110205.0  aB-059041  c00.00a817880121  aB-059041  bCen Lib/Ret  aDPLbEN  a005bSHR  aShrivastava, Raj Kumar937154  aA text book of information technology /cby Raj Kumar Shrivastava   b   bDominant publishers c2001aNew Delhi   a116 A, South anarkalibNew Delhi e110051  a637p.c20cm(Hb)  aInformation technology937453  aOperating system 937156  2ddccENh005mSHR  c133202d133202  00104070aLbLd2015-07-24eCen Lib/Retg0.00l0o005 SHRpB-059041r2015-07-24 00:00:00t1v0.00w2015-07-24yEN