000			00392nam a22001337a 4500
082			_a629.895 _bMAC/I
100			_aMacEwen, Glenn H.
245			_aIntroduction to computer systems : _bUsing the PDP-11 and pascal / _cGlenn H. MacEwen.
260			_c1984. _bMC GRAW- HILL,
300			_a462p.: _bill.;pb.
500			_aIncludes Bibliography and Index
650			_acomputer systems
942			_cBB
999			_c17176 _d17176