00458    a2200133   4500020001800000050002500018100002800043245006800071264005500139300002800194440004600222500001900268650003700287  a9781439080825  aLT 2400.C68 MOR 2009  aMorley, DeboraheAuthor  aUnderstanding computers in a changing society /cDeborah Morley  aUnited States of America:bCengage Learning,c2009  ax, 359p. :bill. (col.)  aNew expert insights from industry leaders  aIncludes index  aComputer sciencexSocial aspects