000			00397 a2200157 4500
020			_a817656205x
082			_a004 _bPCU
090			_c23582 _d38407
245			_aPC upgrading & maintenance _bsmart computing
250			_a2nd ed.
260			_aNew Delhi _bBPB Publications _c1999 _g1999
300			_axxiv,679p. _bill _c23cm
650			_aData processing
650			_aComputer science
942			_cL
999			_c50810 _d50810