00353    a2200121   450000500170000002000180001708200140003510000190004924500650006825000120013326000350014530000510018020250621070355.0  a0-7121-0837-8  a658.05AND  aANDERSON. R. G  aData Processing: Volume 2 Information Systems and Technology  a7th Ed.  aLondon,bANDERSON. R. G,c1990  ax, 287p,; figure, table & picturebIndexc18cm