Parker, Charles S. <br/><br/>Understanding computers and information processing:  today and tomorrow / Charles S. Parker  -- 4th ed.  -- Orlando, FL :  Dryden press,  1992 <br/>xxvii, 582 p.  ports., col. ;  25 cm. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>00355753 <br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/><br/><label>Dewey Class. No.: </label>GC 004 P223 1992