Understanding computers : today and tomorrow 
Morley, Deborah. 
 - 11th ed. 
 -  Thomson/Course Technology,  2007 
 - xxxiii, 703 pages 
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<br/><br/><label>ISBN: </label>1-41886054-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.
<br/><br/><label>Dewey Class. No.: </label>004 M82u 2007